{"id":2342,"date":"2026-07-27T00:33:33","date_gmt":"2026-07-26T17:33:33","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/phun-cat-vs-phun-bi-inox-tao-be-mat-mo-dong-nhat-chuan-ky-thuat\/"},"modified":"2026-07-27T00:33:33","modified_gmt":"2026-07-26T17:33:33","slug":"phun-cat-vs-phun-bi-inox-tao-be-mat-mo-dong-nhat-chuan-ky-thuat","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/phun-cat-vs-phun-bi-inox-tao-be-mat-mo-dong-nhat-chuan-ky-thuat\/","title":{"rendered":"Phun c\u00e1t vs phun bi Inox: T\u1ea1o b\u1ec1 m\u1eb7t m\u1edd \u0111\u1ed3ng nh\u1ea5t, chu\u1ea9n k\u1ef9 thu\u1eadt"},"content":{"rendered":"\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-top\"\n    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19.2px;\">\n            <span class=\"kksr-muted\">\u0110\u00e1nh gi\u00e1<\/span>\n    <\/div>\n    <\/div>\n<div class=\"custom-toc\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/inoxcuongthinh.com\/phun-cat-vs-phun-bi-inox-tao-be-mat-mo-dong-nhat-chuan-ky-thuat\/#Noi_dung_chinh\" >N\u1ed9i dung ch\u00ednh<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/inoxcuongthinh.com\/phun-cat-vs-phun-bi-inox-tao-be-mat-mo-dong-nhat-chuan-ky-thuat\/#Phun_cat_va_phun_bi_inox_Hieu_dung_de_chon_dung\" >Phun c\u00e1t v\u00e0 phun bi inox: Hi\u1ec3u \u0111\u00fang \u0111\u1ec3 ch\u1ecdn \u0111\u00fang<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/inoxcuongthinh.com\/phun-cat-vs-phun-bi-inox-tao-be-mat-mo-dong-nhat-chuan-ky-thuat\/#Chi_tieu_ky_thuat_chinh_Ra_dong_nhat_mau_sach_nhiem_sat\" >Ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt ch\u00ednh: Ra, \u0111\u1ed3ng nh\u1ea5t m\u00e0u, s\u1ea1ch nhi\u1ec5m s\u1eaft<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/inoxcuongthinh.com\/phun-cat-vs-phun-bi-inox-tao-be-mat-mo-dong-nhat-chuan-ky-thuat\/#Vat_lieu_mai_khuyen_nghi_cho_inox\" >V\u1eadt li\u1ec7u m\u00e0i khuy\u1ebfn ngh\u1ecb cho inox<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/inoxcuongthinh.com\/phun-cat-vs-phun-bi-inox-tao-be-mat-mo-dong-nhat-chuan-ky-thuat\/#Thong_so_quy_trinh_cot_loi_de_ra_be_mat_mo_dong_nhat\" >Th\u00f4ng s\u1ed1 quy tr\u00ecnh c\u1ed1t l\u00f5i \u0111\u1ec3 ra b\u1ec1 m\u1eb7t m\u1edd \u0111\u1ed3ng nh\u1ea5t<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/inoxcuongthinh.com\/phun-cat-vs-phun-bi-inox-tao-be-mat-mo-dong-nhat-chuan-ky-thuat\/#1_Chuan_bi_be_mat\" >1) Chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/inoxcuongthinh.com\/phun-cat-vs-phun-bi-inox-tao-be-mat-mo-dong-nhat-chuan-ky-thuat\/#2_Thiet_lap_thong_so_may\" >2) Thi\u1ebft l\u1eadp th\u00f4ng s\u1ed1 m\u00e1y<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/inoxcuongthinh.com\/phun-cat-vs-phun-bi-inox-tao-be-mat-mo-dong-nhat-chuan-ky-thuat\/#3_Mo_hinh_hat_mai_%E2%80%93_do_nham_muc_tieu_tham_khao\" >3) M\u00f4 h\u00ecnh h\u1ea1t m\u00e0i \u2013 \u0111\u1ed9 nh\u00e1m m\u1ee5c ti\u00eau (tham kh\u1ea3o)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/inoxcuongthinh.com\/phun-cat-vs-phun-bi-inox-tao-be-mat-mo-dong-nhat-chuan-ky-thuat\/#4_Kiem_tra_chat_luong_trong_qua_trinh\" >4) Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng trong qu\u00e1 tr\u00ecnh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/inoxcuongthinh.com\/phun-cat-vs-phun-bi-inox-tao-be-mat-mo-dong-nhat-chuan-ky-thuat\/#5_Thu_dong_hoa_passivation_bat_buoc_sau_phun\" >5) Th\u1ee5 \u0111\u1ed9ng h\u00f3a (passivation) b\u1eaft bu\u1ed9c sau phun<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/inoxcuongthinh.com\/phun-cat-vs-phun-bi-inox-tao-be-mat-mo-dong-nhat-chuan-ky-thuat\/#6_Dong_goi_%E2%80%93_bao_quan\" >6) \u0110\u00f3ng g\u00f3i \u2013 b\u1ea3o qu\u1ea3n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/inoxcuongthinh.com\/phun-cat-vs-phun-bi-inox-tao-be-mat-mo-dong-nhat-chuan-ky-thuat\/#Thiet_bi_va_bo_tri_he_thong_phun_cho_inox\" >Thi\u1ebft b\u1ecb v\u00e0 b\u1ed1 tr\u00ed h\u1ec7 th\u1ed1ng phun cho inox<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/inoxcuongthinh.com\/phun-cat-vs-phun-bi-inox-tao-be-mat-mo-dong-nhat-chuan-ky-thuat\/#Ung_dung_thuc_te\" >\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/inoxcuongthinh.com\/phun-cat-vs-phun-bi-inox-tao-be-mat-mo-dong-nhat-chuan-ky-thuat\/#Loi_thuong_gap_va_cach_khac_phuc\" >L\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/inoxcuongthinh.com\/phun-cat-vs-phun-bi-inox-tao-be-mat-mo-dong-nhat-chuan-ky-thuat\/#Nang_suat_va_chi_phi_tham_khao\" >N\u0103ng su\u1ea5t v\u00e0 chi ph\u00ed (tham kh\u1ea3o)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/inoxcuongthinh.com\/phun-cat-vs-phun-bi-inox-tao-be-mat-mo-dong-nhat-chuan-ky-thuat\/#An_toan_%E2%80%93_moi_truong\" >An to\u00e0n \u2013 m\u00f4i tr\u01b0\u1eddng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/inoxcuongthinh.com\/phun-cat-vs-phun-bi-inox-tao-be-mat-mo-dong-nhat-chuan-ky-thuat\/#Tai_lieu_tham_khao\" >T\u00e0i li\u1ec7u tham kh\u1ea3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/inoxcuongthinh.com\/phun-cat-vs-phun-bi-inox-tao-be-mat-mo-dong-nhat-chuan-ky-thuat\/#Ket_luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Noi_dung_chinh\"><\/span>N\u1ed9i dung ch\u00ednh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><a href=\"#toc-0-phun-cat-va-phun-bi-inox-hieu-dung-de-chon-dung\">Phun c\u00e1t v\u00e0 phun bi inox: Hi\u1ec3u \u0111\u00fang \u0111\u1ec3 ch\u1ecdn \u0111\u00fang<\/a><\/li>\n<li><a href=\"#toc-1-chi-tieu-ky-thuat-chinh-ra-dong-nhat-mau-sach-nhie\">Ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt ch\u00ednh: Ra, \u0111\u1ed3ng nh\u1ea5t m\u00e0u, s\u1ea1ch nhi\u1ec5m s\u1eaft<\/a><\/li>\n<li><a href=\"#toc-2-vat-lieu-mai-khuyen-nghi-cho-inox\">V\u1eadt li\u1ec7u m\u00e0i khuy\u1ebfn ngh\u1ecb cho inox<\/a><\/li>\n<li><a href=\"#toc-3-thong-so-quy-trinh-cot-loi-de-ra-be-mat-mo-dong-nh\">Th\u00f4ng s\u1ed1 quy tr\u00ecnh c\u1ed1t l\u00f5i \u0111\u1ec3 ra b\u1ec1 m\u1eb7t m\u1edd \u0111\u1ed3ng nh\u1ea5t<\/a><\/li>\n<li><a href=\"#toc-4-thiet-bi-va-bo-tri-he-thong-phun-cho-inox\">Thi\u1ebft b\u1ecb v\u00e0 b\u1ed1 tr\u00ed h\u1ec7 th\u1ed1ng phun cho inox<\/a><\/li>\n<li><a href=\"#toc-5-ung-dung-thuc-te\">\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf<\/a><\/li>\n<li><a href=\"#toc-6-loi-thuong-gap-va-cach-khac-phuc\">L\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c<\/a><\/li>\n<li><a href=\"#toc-7-nang-suat-va-chi-phi-tham-khao\">N\u0103ng su\u1ea5t v\u00e0 chi ph\u00ed (tham kh\u1ea3o)<\/a><\/li>\n<li><a href=\"#toc-8-an-toan-moi-truong\">An to\u00e0n \u2013 m\u00f4i tr\u01b0\u1eddng<\/a><\/li>\n<li><a href=\"#toc-9-tai-lieu-tham-khao\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-10-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Phun c\u00e1t v\u00e0 phun bi l\u00e0 hai k\u1ef9 thu\u1eadt ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t inox gi\u00fap t\u1ea1o n\u1ec1n m\u1edd \u0111\u1ed3ng nh\u1ea5t, che khuy\u1ebft \u0111i\u1ec3m gia c\u00f4ng v\u00e0 t\u1ed1i \u01b0u \u0111\u1ed9 b\u00e1m ph\u1ee7. Trong h\u1ec7 sinh th\u00e1i ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t (\u0111\u00e1nh b\u00f3ng, \u0111\u00e1nh x\u01b0\u1edbc, ph\u1ee7 l\u1edbp), phun m\u00e0i h\u1ea1t n\u1ed5i b\u1eadt khi c\u1ea7n hi\u1ec7u \u1ee9ng m\u1edd \u0111\u1ec1u, kh\u00f4ng l\u1ed9 \u0111\u01b0\u1eddng x\u01b0\u1edbc. B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt t\u1eeb ch\u1ecdn v\u1eadt li\u1ec7u m\u00e0i, th\u00f4ng s\u1ed1, quy tr\u00ecnh ch\u1ed1ng nhi\u1ec5m s\u1eaft \u0111\u1ebfn ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ec3 b\u1ea1n \u0111\u1ea1t k\u1ebft qu\u1ea3 \u1ed5n \u0111\u1ecbnh, \u0111\u1ea1t chu\u1ea9n c\u00f4ng nghi\u1ec7p.<\/p>\n<h2 id=\"toc-0-phun-cat-va-phun-bi-inox-hieu-dung-de-chon-dung\"><span class=\"ez-toc-section\" id=\"Phun_cat_va_phun_bi_inox_Hieu_dung_de_chon_dung\"><\/span>Phun c\u00e1t v\u00e0 phun bi inox: Hi\u1ec3u \u0111\u00fang \u0111\u1ec3 ch\u1ecdn \u0111\u00fang<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Phun c\u00e1t (abrasive blasting): d\u00f9ng h\u1ea1t c\u1ea1nh s\u1eafc nh\u01b0 oxit nh\u00f4m (Al2O3), garnet\u2026 \u0111\u1ec3 \u201cc\u1eaft \u2013 kh\u1eafc\u201d vi b\u1ec1 m\u1eb7t, t\u1ea1o m\u1edd \u0111\u1eadm, t\u0103ng \u0111\u1ed9 nh\u00e1m Ra nhanh.<br \/>\n&#8211; Phun bi (bead\/shot blasting):<br \/>\n  &#8211; Bi th\u1ee7y tinh\/bi g\u1ed1m (glass\/ceramic bead): h\u1ea1t tr\u00f2n, hi\u1ec7u \u1ee9ng \u201cpeen\u201d nh\u1eb9, b\u1ec1 m\u1eb7t m\u1edd satin, m\u1ecbn, \u00edt kh\u00eda c\u1ea1nh.<br \/>\n  &#8211; Bi th\u00e9p kh\u00f4ng g\u1ec9 (stainless steel shot): d\u00f9ng cho peening t\u0103ng b\u1ec1n m\u1ecfi ho\u1eb7c l\u00e0m s\u1ea1ch m\u1ea1nh; tr\u00e1nh d\u00f9ng bi th\u00e9p carbon v\u00ec nhi\u1ec5m s\u1eaft g\u00e2y g\u1ec9.<\/p>\n<p>Khi n\u00e0o ch\u1ecdn phun c\u00e1t?<br \/>\n&#8211; C\u1ea7n m\u1edd s\u00e2u, t\u0103ng \u0111\u1ed9 nh\u00e1m \u0111\u1ec3 s\u01a1n\/b\u1ed9t ph\u1ee7 b\u00e1m ch\u1eafc, x\u1eed l\u00fd bavia, l\u00e0m \u0111\u1ec1u v\u00f9ng h\u00e0n m\u1ea1nh.<\/p>\n<p>Khi n\u00e0o ch\u1ecdn phun bi (bi th\u1ee7y tinh\/bi g\u1ed1m)?<br \/>\n&#8211; C\u1ea7n b\u1ec1 m\u1eb7t m\u1edd satin \u0111\u1ed3ng nh\u1ea5t, ch\u1ed1ng ch\u00f3i cho ki\u1ebfn tr\u00fac\/thang m\u00e1y, thi\u1ebft b\u1ecb n\u1ed9i th\u1ea5t, v\u1ecf m\u00e1y.<\/p>\n<h2 id=\"toc-1-chi-tieu-ky-thuat-chinh-ra-dong-nhat-mau-sach-nhie\"><span class=\"ez-toc-section\" id=\"Chi_tieu_ky_thuat_chinh_Ra_dong_nhat_mau_sach_nhiem_sat\"><\/span>Ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt ch\u00ednh: Ra, \u0111\u1ed3ng nh\u1ea5t m\u00e0u, s\u1ea1ch nhi\u1ec5m s\u1eaft<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; \u0110\u1ed9 nh\u00e1m b\u1ec1 m\u1eb7t (Ra):<br \/>\n  &#8211; 2B nh\u00e0 m\u00e1y: ~0,1\u20130,2 \u00b5m<br \/>\n  &#8211; No.4 \u0111\u00e1nh x\u01b0\u1edbc: ~0,4\u20130,8 \u00b5m<br \/>\n  &#8211; Phun bi th\u1ee7y tinh (ph\u1ed5 th\u00f4ng): ~1,0\u20132,0 \u00b5m<br \/>\n  &#8211; Phun c\u00e1t oxit nh\u00f4m (t\u00e1c \u0111\u1ed9ng m\u1ea1nh): ~1,5\u20133,0+ \u00b5m<br \/>\n&#8211; \u0110\u1ed3ng nh\u1ea5t m\u00e0u\/hoa v\u0103n: kh\u00f4ng loang, kh\u00f4ng s\u1ecdc \u201ctiger striping\u201d, kh\u00f4ng b\u00f3ng \u2013 m\u1edd l\u1eabn l\u1ed9n gi\u1eefa m\u1ed1i h\u00e0n v\u00e0 n\u1ec1n.<br \/>\n&#8211; Kh\u00f4ng nhi\u1ec5m s\u1eaft t\u1ef1 do: b\u1eaft bu\u1ed9c v\u1edbi inox. Ki\u1ec3m tra b\u1eb1ng th\u1eed Ferroxyl ho\u1eb7c test kh\u0103n tr\u1eafng kh\u00f4ng v\u1ec7t \u0111en.<\/p>\n<p>L\u01b0u \u00fd v\u1ec7 sinh \u2013 an to\u00e0n sinh h\u1ecdc:<br \/>\n&#8211; B\u1ec1 m\u1eb7t m\u1edd do phun m\u00e0i th\u01b0\u1eddng c\u00f3 Ra cao h\u01a1n No.4, kh\u00f4ng l\u00fd t\u01b0\u1edfng cho b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac th\u1ef1c ph\u1ea9m\/vi sinh (\u01b0u ti\u00ean Ra \u2264 0,8 \u00b5m). N\u1ebfu v\u1eabn c\u1ea7n hi\u1ec7u \u1ee9ng m\u1edd, c\u00e2n nh\u1eafc bead blasting tinh k\u1ebft h\u1ee3p passivation k\u1ef9 v\u00e0 v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 nghi\u00eam ng\u1eb7t.<\/p>\n<h2 id=\"toc-2-vat-lieu-mai-khuyen-nghi-cho-inox\"><span class=\"ez-toc-section\" id=\"Vat_lieu_mai_khuyen_nghi_cho_inox\"><\/span>V\u1eadt li\u1ec7u m\u00e0i khuy\u1ebfn ngh\u1ecb cho inox<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Bi th\u1ee7y tinh (Glass bead): s\u1ea1ch, kh\u00f4ng \u0111\u1ec3 l\u1ea1i s\u1eaft, t\u1ea1o m\u1edd satin \u0111\u1eb9p; c\u1ee1 h\u1ea1t th\u01b0\u1eddng d\u00f9ng 100\u2013170 mesh (150\u201390 \u00b5m).<br \/>\n&#8211; Bi g\u1ed1m\/zirconia: b\u1ec1n, t\u00e1i s\u1eed d\u1ee5ng cao, cho k\u1ebft qu\u1ea3 \u0111\u1ed3ng nh\u1ea5t tr\u00ean m\u1ed1i h\u00e0n d\u00e0y\/nhi\u1ec7t \u1ea3nh h\u01b0\u1edfng l\u1edbn.<br \/>\n&#8211; Oxit nh\u00f4m (Al2O3): s\u1eafc c\u1ea1nh, t\u1ea1o nh\u00e1m nhanh cho ti\u1ec1n x\u1eed l\u00fd ph\u1ee7; ch\u1ecdn h\u1ea1t s\u1ea1ch, kh\u00f4ng l\u1eabn s\u1eaft.<br \/>\n&#8211; Garnet: thay th\u1ebf th\u00e2n thi\u1ec7n h\u01a1n c\u00e1t silic, \u00edt b\u1ee5i, cho c\u1eaft \u00eam, ki\u1ec3m so\u00e1t nh\u00e1m t\u1ed1t.<br \/>\n&#8211; Bi th\u00e9p kh\u00f4ng g\u1ec9: d\u00e0nh cho shot peening ho\u1eb7c l\u00e0m s\u1ea1ch m\u1ea1nh m\u00e0 kh\u00f4ng nhi\u1ec5m s\u1eaft.<\/p>\n<p>Tr\u00e1nh d\u00f9ng:<br \/>\n&#8211; C\u00e1t silic t\u1ef1 nhi\u00ean (silica sand): nguy c\u01a1 b\u1ee5i silic g\u00e2y b\u1ec7nh ph\u1ed5i; nhi\u1ec1u n\u01b0\u1edbc h\u1ea1n ch\u1ebf\/nghi\u00eam c\u1ea5m.<br \/>\n&#8211; Bi th\u00e9p carbon, h\u1ea1t m\u00e0i c\u00f3 t\u1ea1p s\u1eaft: g\u00e2y r\u1ec9 n\u00e2u tr\u00ean inox v\u1ec1 sau.<\/p>\n<h2 id=\"toc-3-thong-so-quy-trinh-cot-loi-de-ra-be-mat-mo-dong-nh\"><span class=\"ez-toc-section\" id=\"Thong_so_quy_trinh_cot_loi_de_ra_be_mat_mo_dong_nhat\"><\/span>Th\u00f4ng s\u1ed1 quy tr\u00ecnh c\u1ed1t l\u00f5i \u0111\u1ec3 ra b\u1ec1 m\u1eb7t m\u1edd \u0111\u1ed3ng nh\u1ea5t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"1_Chuan_bi_be_mat\"><\/span>1) Chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; T\u1ea9y d\u1ea7u\/m\u1ee1: ki\u1ec1m\/solvent, tr\u00e1ng n\u01b0\u1edbc DI.<br \/>\n&#8211; X\u1eed l\u00fd m\u1ed1i h\u00e0n: ng\u00e2m t\u1ea9y m\u1ed1i h\u00e0n (pickling gel\/bath) lo\u1ea1i b\u1ecf m\u00e0u ram tr\u01b0\u1edbc khi phun \u0111\u1ec3 m\u00e0u m\u1edd \u0111\u1ed3ng nh\u1ea5t.<br \/>\n&#8211; Masking v\u00f9ng kh\u00f4ng phun: b\u0103ng keo ch\u1ecbu m\u00e0i m\u00f2n, t\u1ea5m che.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Thiet_lap_thong_so_may\"><\/span>2) Thi\u1ebft l\u1eadp th\u00f4ng s\u1ed1 m\u00e1y<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; \u00c1p l\u1ef1c:<br \/>\n  &#8211; Bi th\u1ee7y tinh: 2,8\u20135,5 bar (40\u201380 psi), b\u1eaft \u0111\u1ea7u th\u1ea5p r\u1ed3i t\u0103ng d\u1ea7n \u0111\u1ec3 tr\u00e1nh \u201cover-peen\u201d.<br \/>\n  &#8211; Oxit nh\u00f4m\/garnet: 4\u20136,5 bar t\u00f9y \u0111\u1ed9 nh\u00e1m m\u1ee5c ti\u00eau.<br \/>\n&#8211; V\u00f2i phun (nozzle): 6\u20138 mm boron carbide, g\u00f3c 70\u201390\u00b0, kho\u1ea3ng c\u00e1ch 150\u2013250 mm.<br \/>\n&#8211; L\u01b0u l\u01b0\u1ee3ng h\u1ea1t\/kh\u00ed: \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 t\u1ea1o \u201cm\u01b0a h\u1ea1t\u201d \u0111\u1ec1u, kh\u00f4ng v\u00f3n c\u1ee5m.<br \/>\n&#8211; T\u1ed1c \u0111\u1ed9 qu\u00e9t: 0,3\u20130,6 m\/s, ch\u1ed3ng l\u1eafp \u0111\u01b0\u1eddng phun 30\u201350% theo h\u00ecnh ch\u1eef chi\/circle \u0111\u1ec3 tr\u00e1nh v\u1ec7t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Mo_hinh_hat_mai_%E2%80%93_do_nham_muc_tieu_tham_khao\"><\/span>3) M\u00f4 h\u00ecnh h\u1ea1t m\u00e0i \u2013 \u0111\u1ed9 nh\u00e1m m\u1ee5c ti\u00eau (tham kh\u1ea3o)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; M\u1edd satin Ra ~1,0\u20131,5 \u00b5m:<br \/>\n  &#8211; Bi th\u1ee7y tinh 100\u2013170 mesh, 3,5\u20135 bar, g\u00f3c 80\u201390\u00b0.<br \/>\n&#8211; M\u1edd s\u00e2u Ra ~1,5\u20132,5 \u00b5m, ti\u1ec1n x\u1eed l\u00fd s\u01a1n\/b\u1ed9t:<br \/>\n  &#8211; Oxit nh\u00f4m 80\u2013120 mesh, 4,5\u20136 bar, g\u00f3c 70\u201380\u00b0.<br \/>\n&#8211; H\u00f2a m\u00e0u m\u1ed1i h\u00e0n d\u00e0y, tr\u00e1nh l\u1ed9 v\u1ec7t:<br \/>\n  &#8211; Bi g\u1ed1m 70\u2013120 mesh, 4\u20135 bar, hai l\u01b0\u1ee3t ch\u00e9o nhau.<br \/>\n&#8211; Shot peening c\u1ea3i thi\u1ec7n b\u1ec1n m\u1ecfi (chi ti\u1ebft c\u01a1 kh\u00ed):<br \/>\n  &#8211; Bi inox\/g\u1ed1m c\u1ee1 S110\u2013S230; ki\u1ec3m so\u00e1t Almen intensity theo thi\u1ebft k\u1ebf.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_Kiem_tra_chat_luong_trong_qua_trinh\"><\/span>4) Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng trong qu\u00e1 tr\u00ecnh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; So ki\u1ec3m \u0111\u1ed9 nh\u00e1m: m\u00e1y \u0111o Ra\/Rz ho\u1eb7c b\u1ea3n so s\u00e1nh ISO 8503.<br \/>\n&#8211; Ki\u1ec3m tra m\u00e0u\/\u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t d\u01b0\u1edbi \u00e1nh s\u00e1ng khu\u1ebfch t\u00e1n 500\u20131000 lux.<br \/>\n&#8211; Th\u1eed kh\u0103n tr\u1eafng sau phun: kh\u00f4ng c\u00f3 v\u1ec7t \u0111en\/n\u00e2u.<br \/>\n&#8211; N\u1ebfu chu\u1ea9n b\u1ecb ph\u1ee7: test b\u00e1m d\u00ednh theo ASTM D3359 sau s\u01a1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_Thu_dong_hoa_passivation_bat_buoc_sau_phun\"><\/span>5) Th\u1ee5 \u0111\u1ed9ng h\u00f3a (passivation) b\u1eaft bu\u1ed9c sau phun<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; M\u1ee5c ti\u00eau: t\u00e1i t\u1ea1o l\u1edbp oxit Cr, lo\u1ea1i s\u1eaft t\u1ef1 do c\u00f2n s\u00f3t.<br \/>\n&#8211; Ph\u01b0\u01a1ng \u00e1n:<br \/>\n  &#8211; Axit citric 4\u201310% \u1edf 20\u201350\u00b0C, 20\u201360 ph\u00fat; ho\u1eb7c<br \/>\n  &#8211; Axit nitric 20\u201325% \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, 20\u201330 ph\u00fat.<br \/>\n&#8211; Tr\u00e1ng n\u01b0\u1edbc DI \u00e1p l\u1ef1c cao, s\u1ea5y kh\u00f4 b\u1eb1ng kh\u00ed n\u00e9n s\u1ea1ch (kh\u00f4ng d\u1ea7u).<br \/>\n&#8211; Ki\u1ec3m tra Ferroxyl theo ASTM A967 khi y\u00eau c\u1ea7u m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n cao.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"6_Dong_goi_%E2%80%93_bao_quan\"><\/span>6) \u0110\u00f3ng g\u00f3i \u2013 b\u1ea3o qu\u1ea3n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; G\u0103ng tay kh\u00f4ng b\u1ed9t khi thao t\u00e1c.<br \/>\n&#8211; B\u1ecdc m\u00e0ng ch\u1ed1ng \u1ea9m; tr\u00e1nh ti\u1ebfp x\u00fac h\u1ea1t b\u1ee5i s\u1eaft t\u1eeb m\u00f4i tr\u01b0\u1eddng x\u01b0\u1edfng th\u00e9p carbon.<\/p>\n<h2 id=\"toc-4-thiet-bi-va-bo-tri-he-thong-phun-cho-inox\"><span class=\"ez-toc-section\" id=\"Thiet_bi_va_bo_tri_he_thong_phun_cho_inox\"><\/span>Thi\u1ebft b\u1ecb v\u00e0 b\u1ed1 tr\u00ed h\u1ec7 th\u1ed1ng phun cho inox<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; T\u1ee7 phun h\u00fat (suction cabinet): linh ho\u1ea1t, ph\u00f9 h\u1ee3p chi ti\u1ebft nh\u1ecf\/lo\u1ea1t v\u1eeba, d\u1ec5 ki\u1ec3m so\u00e1t.<br \/>\n&#8211; H\u1ec7 th\u1ed1ng phun \u00e1p l\u1ef1c (pressure blast): n\u0103ng su\u1ea5t cao, \u0111\u1ed3ng nh\u1ea5t t\u1ed1t v\u1edbi b\u1ec1 m\u1eb7t l\u1edbn.<br \/>\n&#8211; Ph\u00f2ng phun\/bi b\u00e1nh c\u00f4ng t\u00e1c (wheel blast): s\u1ea3n l\u01b0\u1ee3ng l\u1edbn cho t\u1ea5m, d\u1ea7m; c\u1ea7n media kh\u00f4ng nhi\u1ec5m s\u1eaft.<br \/>\n&#8211; Phun \u01b0\u1edbt (wet\/vapor blasting): b\u1ee5i th\u1ea5p, \u00edt nguy c\u01a1 \u201cnh\u00fang\u201d t\u1ea1p ch\u1ea5t, b\u1ec1 m\u1eb7t m\u1ecbn \u0111\u1eb9p cho inox cao c\u1ea5p.<br \/>\n&#8211; Thu h\u1ed3i \u2013 s\u00e0ng l\u1ecdc h\u1ea1t: duy tr\u00ec d\u1ea3i c\u1ee1 h\u1ea1t \u1ed5n \u0111\u1ecbnh \u0111\u1ec3 m\u00e0u m\u1edd kh\u00f4ng l\u1ec7ch theo th\u1eddi gian.<br \/>\n&#8211; L\u1ecdc b\u1ee5i: cartridge dust collector, gi\u00e1m s\u00e1t n\u1ed3ng \u0111\u1ed9 b\u1ee5i theo quy chu\u1ea9n an to\u00e0n.<\/p>\n<h2 id=\"toc-5-ung-dung-thuc-te\"><span class=\"ez-toc-section\" id=\"Ung_dung_thuc_te\"><\/span>\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Ki\u1ebfn tr\u00fac \u2013 n\u1ed9i th\u1ea5t kim lo\u1ea1i: m\u1eb7t d\u1ef1ng, \u1ed1p thang m\u00e1y, tay v\u1ecbn, bi\u1ec3n hi\u1ec7u m\u1edd ch\u1ed1ng ch\u00f3i.<br \/>\n&#8211; M\u00e1y m\u00f3c \u2013 v\u1ecf thi\u1ebft b\u1ecb: gi\u1ea3m ph\u1ea3n x\u1ea1, che v\u1ebft h\u00e0n\/laser, t\u1ea1o nh\u1eadn di\u1ec7n th\u1ea9m m\u1ef9 \u0111\u1ed3ng nh\u1ea5t.<br \/>\n&#8211; Y t\u1ebf, ph\u00f2ng s\u1ea1ch: t\u1ea1o m\u1edd ki\u1ec3m so\u00e1t ch\u00f3i; l\u01b0u \u00fd Ra v\u00e0 quy tr\u00ecnh v\u1ec7 sinh, passivation nghi\u00eam ng\u1eb7t.<br \/>\n&#8211; Ti\u1ec1n x\u1eed l\u00fd ph\u1ee7: s\u01a1n\/b\u1ed9t ph\u1ee7, PVD\/DLC c\u1ea7n b\u1ec1 m\u1eb7t \u201cneo\u201d th\u00edch h\u1ee3p.<br \/>\n&#8211; C\u01a1 kh\u00ed ch\u00ednh x\u00e1c: shot peening inox l\u00f2 xo, tr\u1ee5c \u2013 t\u0103ng b\u1ec1n m\u1ecfi.<\/p>\n<h2 id=\"toc-6-loi-thuong-gap-va-cach-khac-phuc\"><span class=\"ez-toc-section\" id=\"Loi_thuong_gap_va_cach_khac_phuc\"><\/span>L\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Loang m\u00e0u\/\u201ctiger striping\u201d: t\u1ed1c \u0111\u1ed9 qu\u00e9t kh\u00f4ng \u0111\u1ec1u \u2192 d\u00f9ng \u0111\u01b0\u1eddng phun ch\u1ed3ng 30\u201350%, c\u1ed1 \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch\/v\u1eadn t\u1ed1c, xoay chi ti\u1ebft.<br \/>\n&#8211; \u0110i\u1ec3m s\u00e1ng l\u1ed9 n\u1ec1n c\u00e1n: \u00e1p l\u1ef1c th\u1ea5p\/qu\u00e1 xa \u2192 t\u0103ng \u00e1p nh\u1eb9, gi\u1ea3m kho\u1ea3ng c\u00e1ch, th\u00eam 1\u20132 l\u01b0\u1ee3t ch\u00e9o.<br \/>\n&#8211; R\u1ec9 n\u00e2u sau v\u00e0i ng\u00e0y\/tu\u1ea7n: nhi\u1ec5m s\u1eaft t\u1eeb h\u1ea1t\/m\u00e1y \u2192 thay media s\u1ea1ch, t\u00e1ch khu v\u1ef1c gia c\u00f4ng th\u00e9p carbon, th\u1ef1c hi\u1ec7n passivation.<br \/>\n&#8211; \u0110\u1ed9 nh\u00e1m v\u01b0\u1ee3t m\u1ee5c ti\u00eau: h\u1ea1t qu\u00e1 th\u00f4\/\u00e1p l\u1ef1c cao \u2192 gi\u1ea3m c\u1ee1 h\u1ea1t\/\u00e1p l\u1ef1c, chuy\u1ec3n sang bi th\u1ee7y tinh\/bi g\u1ed1m.<br \/>\n&#8211; In d\u1ea5u b\u1ed9t\/ph\u1ea5n tay: b\u1ec1 m\u1eb7t m\u1edd \u201cb\u1eaft d\u1ea5u\u201d \u2192 l\u00e0m s\u1ea1ch isopropyl, d\u00f9ng g\u0103ng tay, c\u00e2n nh\u1eafc sealer m\u1ecfng n\u1ebfu \u1ee9ng d\u1ee5ng cho ki\u1ebfn tr\u00fac.<\/p>\n<h2 id=\"toc-7-nang-suat-va-chi-phi-tham-khao\"><span class=\"ez-toc-section\" id=\"Nang_suat_va_chi_phi_tham_khao\"><\/span>N\u0103ng su\u1ea5t v\u00e0 chi ph\u00ed (tham kh\u1ea3o)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; N\u0103ng su\u1ea5t phun bi th\u1ee7y tinh m\u1edd satin: ~3\u20136 m\u00b2\/gi\u1edd \u1edf 3,5\u20135 bar cho t\u1ea5m ph\u1eb3ng.<br \/>\n&#8211; Ti\u00eau hao media: bi th\u1ee7y tinh ~5\u201310 kg\/gi\u1edd (t\u00f9y t\u00e1i s\u1eed d\u1ee5ng\/thu h\u1ed3i); oxit nh\u00f4m 6\u201312 kg\/gi\u1edd.<br \/>\n&#8211; Y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng chi ph\u00ed: lo\u1ea1i media v\u00e0 v\u00f2ng \u0111\u1eddi, c\u00f4ng su\u1ea5t h\u00fat b\u1ee5i, th\u1eddi gian set-up\/masking, y\u00eau c\u1ea7u passivation v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n<h2 id=\"toc-8-an-toan-moi-truong\"><span class=\"ez-toc-section\" id=\"An_toan_%E2%80%93_moi_truong\"><\/span>An to\u00e0n \u2013 m\u00f4i tr\u01b0\u1eddng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Tr\u00e1nh ho\u00e0n to\u00e0n c\u00e1t silic t\u1ef1 nhi\u00ean; d\u00f9ng garnet\/oxit nh\u00f4m\/bi th\u1ee7y tinh\/g\u1ed1m \u0111\u1ec3 gi\u1ea3m nguy c\u01a1 b\u1ee5i silic t\u1ef1 do.<br \/>\n&#8211; Trang b\u1ecb PPE: m\u1eb7t n\u1ea1 c\u1ea5p kh\u00ed\/l\u1ecdc ph\u00f9 h\u1ee3p, qu\u1ea7n \u00e1o ch\u1ed1ng m\u00e0i m\u00f2n, b\u1ea3o v\u1ec7 th\u00ednh gi\u00e1c.<br \/>\n&#8211; Ki\u1ec3m so\u00e1t b\u1ee5i, thu gom \u2013 ph\u00e2n lo\u1ea1i r\u00e1c th\u1ea3i media; tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh \u0111\u1ecba ph\u01b0\u01a1ng v\u1ec1 m\u00f4i tr\u01b0\u1eddng lao \u0111\u1ed9ng.<\/p>\n<h2 id=\"toc-9-tai-lieu-tham-khao\"><span class=\"ez-toc-section\" id=\"Tai_lieu_tham_khao\"><\/span>T\u00e0i li\u1ec7u tham kh\u1ea3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; ASTM A380\/A380M \u2013 Standard Practice for Cleaning, Descaling, and Passivation of Stainless Steel Parts. ASTM International.<br \/>\n&#8211; ASTM A967\/A967M \u2013 Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts. ASTM International.<br \/>\n&#8211; ISO 8503 (Surface roughness characteristics of blast-cleaned steel substrates) \u2013 d\u00f9ng b\u1ed9 so s\u00e1nh\/thi\u1ebft b\u1ecb \u0111o nh\u00e1m.<br \/>\n&#8211; OSHA\/NIOSH silica guidelines \u2013 h\u01b0\u1edbng d\u1eabn h\u1ea1n ch\u1ebf ph\u01a1i nhi\u1ec5m b\u1ee5i silic k\u1ebft tinh.<br \/>\n&#8211; H\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t media: Saint-Gobain ZirPro (ceramic beads), Guyson\/Clemco (glass beads, blasting parameters).<br \/>\n&#8211; ASTM B117 \u2013 Salt Spray (Fog) Testing (\u0111\u00e1nh gi\u00e1 t\u01b0\u01a1ng \u0111\u1ed1i kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n sau x\u1eed l\u00fd).<\/p>\n<h2 id=\"toc-10-ket-luan\"><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 t\u1ea1o b\u1ec1 m\u1eb7t inox m\u1edd \u0111\u1ed3ng nh\u1ea5t, h\u00e3y ch\u1ecdn \u0111\u00fang k\u1ef9 thu\u1eadt theo m\u1ee5c ti\u00eau: phun bi th\u1ee7y tinh\/g\u1ed1m cho satin \u0111\u1ed3ng \u0111\u1ec1u, phun c\u00e1t oxit nh\u00f4m\/garnet khi c\u1ea7n nh\u00e1m m\u1ea1nh cho b\u00e1m ph\u1ee7; lu\u00f4n ki\u1ec3m so\u00e1t th\u00f4ng s\u1ed1 \u00e1p l\u1ef1c \u2013 g\u00f3c \u2013 c\u1ee1 h\u1ea1t, chu\u1ea9n h\u00f3a \u0111\u01b0\u1eddng phun \u0111\u1ec3 tr\u00e1nh loang v\u1ec7t; v\u00e0 \u0111\u1eb7c bi\u1ec7t b\u1eaft bu\u1ed9c passivation theo ASTM A967 \u0111\u1ec3 lo\u1ea1i s\u1eaft t\u1ef1 do, \u1ed5n \u0111\u1ecbnh ch\u1ed1ng \u0103n m\u00f2n l\u00e2u d\u00e0i. Khi quy tr\u00ecnh, v\u1eadt li\u1ec7u m\u00e0i v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp b\u00e0i b\u1ea3n, b\u1ea1n s\u1ebd \u0111\u1ea1t k\u1ebft qu\u1ea3 th\u1ea9m m\u1ef9 \u2013 k\u1ef9 thu\u1eadt l\u1eb7p l\u1ea1i, ph\u00f9 h\u1ee3p c\u1ea3 ki\u1ebfn tr\u00fac l\u1eabn c\u00f4ng nghi\u1ec7p. C\u1ea7n t\u01b0 v\u1ea5n l\u1ef1a ch\u1ecdn media, th\u00f4ng s\u1ed1 theo m\u00e1c inox v\u00e0 b\u1ec1 m\u1eb7t m\u1ee5c ti\u00eau? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt v\u00e0 b\u00e1o gi\u00e1 t\u1ed1t nh\u1ea5t. Hotline: 0343.417.281. Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn ch\u1ecdn phun c\u00e1t hay phun bi cho inox: v\u1eadt li\u1ec7u m\u00e0i, th\u00f4ng s\u1ed1 \u00e1p l\u1ef1c, \u0111\u1ed9 nh\u00e1m Ra, quy tr\u00ecnh ch\u1ed1ng nhi\u1ec5m s\u1eaft v\u00e0 \u1ee9ng d\u1ee5ng ki\u1ebfn tr\u00fac, c\u00f4ng nghi\u1ec7p.<\/p>\n","protected":false},"author":7,"featured_media":1039,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2342","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"acf":[],"_links":{"self":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2342","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/comments?post=2342"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2342\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1039"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2342"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2342"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2342"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}