{"id":9784,"date":"2018-08-10T11:45:29","date_gmt":"2018-08-10T04:45:29","guid":{"rendered":"https:\/\/inoxdaiduong.com\/?p=9784"},"modified":"2025-10-23T16:59:10","modified_gmt":"2025-10-23T09:59:10","slug":"instruction-for-stainless-steel-rust-removal-methods","status":"publish","type":"post","link":"https:\/\/inoxdaiduong.com\/en\/instruction-for-stainless-steel-rust-removal-methods\/","title":{"rendered":"Instruction for Stainless Steel Rust Removal Methods"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">For some reasons the protecting film of stainless steel surface can be destructed and recovery process has stopped causing rust on surface. As below, Dai Duong will advise some simple methods for removal stainless steel rust with findable material, an be applied for stainless steel tool in your house and huge stainless steel constructions.<\/span><\/p>\n<div id=\"toc_container\" class=\"no_bullets\"><p class=\"toc_title\">N\u1ed9i dung ch&iacute;nh<\/p><ul class=\"toc_list\"><li><a href=\"#1_Stainless_steel_rust_removal_simple_methods_in_house\">1. Stainless steel rust removal simple methods in house<\/a><ul><li><a href=\"#a_Rust_removal_by_alum\">a) Rust removal by alum<\/a><\/li><li><a href=\"#b_Rust_removal_by_washed_rice_water\">b) Rust removal by washed rice water<\/a><\/li><li><a href=\"#c_Rust_removal_by_lemon_juice_salt\">c) Rust removal by lemon juice &amp; salt<\/a><\/li><li><a href=\"#d_Rust_removal_by_baking_soda_vinegar_combination\">d) Rust removal by baking soda &amp; vinegar combination<\/a><\/li><\/ul><\/li><li><a href=\"#2_Stainless_steel_rust_removal_with_specialized_chemical\">2. Stainless steel rust removal with specialized chemical<\/a><ul><li><a href=\"#a_Rust_remover_MQ-500\">a) Rust remover MQ-500<\/a><\/li><li><a href=\"#b_Rust_removal_SR-100\">b) Rust removal SR-100<\/a><\/li><\/ul><\/li><\/ul><\/div>\n<h2><span id=\"1_Stainless_steel_rust_removal_simple_methods_in_house\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">1. Stainless steel rust removal simple methods in house<\/span><\/span><\/h2>\n<h3><span id=\"a_Rust_removal_by_alum\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">a) Rust removal by alum<\/span><\/span><\/h3>\n<p><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">Chemical formula: K2SO4.Al2(SO4)3.24H2O<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">When alum is dissolved in water, there is reversible hydrolysis reaction:<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">Al3+ + 3H2O \u2192 Al(OH)3\u2193 + 3H<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">In which AL(OH)3 is a colloidal form with a developed surface, absorbing rust (Fe2O3) and pulling rust out of the stainless steel surface.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">Methods of implementation: boil 50g alum with about 1 liter of water, after the alum dissolved completely, wait for the water to cool down (you can use it while it is still warm), dip a towel in the water wring to slightly moist then rub the rusty places on stainless steel utensils. They will be shiny again very soon!<\/span><\/p>\n<blockquote><p><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\"><em>Kindly note: should only use this method with small surfaces<\/em><\/span><\/p><\/blockquote>\n<p><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\"><img class=\"aligncenter wp-image-9793 size-large\" src=\"https:\/\/inoxdaiduong.com\/wp-content\/uploads\/2018\/08\/tay-gi-inox-bang-phen-chua-nuoc-vo-gao-canh-soda-tai-nha-830x184.jpg\" alt=\"Stainless Steel Rust Removal Methods\" width=\"830\" height=\"184\" srcset=\"https:\/\/inoxdaiduong.com\/wp-content\/uploads\/2018\/08\/tay-gi-inox-bang-phen-chua-nuoc-vo-gao-canh-soda-tai-nha-830x184.jpg 830w, https:\/\/inoxdaiduong.com\/wp-content\/uploads\/2018\/08\/tay-gi-inox-bang-phen-chua-nuoc-vo-gao-canh-soda-tai-nha-570x126.jpg 570w, https:\/\/inoxdaiduong.com\/wp-content\/uploads\/2018\/08\/tay-gi-inox-bang-phen-chua-nuoc-vo-gao-canh-soda-tai-nha-220x49.jpg 220w, https:\/\/inoxdaiduong.com\/wp-content\/uploads\/2018\/08\/tay-gi-inox-bang-phen-chua-nuoc-vo-gao-canh-soda-tai-nha-768x170.jpg 768w, https:\/\/inoxdaiduong.com\/wp-content\/uploads\/2018\/08\/tay-gi-inox-bang-phen-chua-nuoc-vo-gao-canh-soda-tai-nha-476x106.jpg 476w, https:\/\/inoxdaiduong.com\/wp-content\/uploads\/2018\/08\/tay-gi-inox-bang-phen-chua-nuoc-vo-gao-canh-soda-tai-nha.jpg 1200w\" sizes=\"(max-width: 830px) 100vw, 830px\" \/><\/span><\/p>\n<h3><span id=\"b_Rust_removal_by_washed_rice_water\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">b) Rust removal by washed rice water<\/span><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">Chemical formula: Anthocyanin, vitamin B, vitamin E, iron, lignin, manganese, magnesium, potassium, selenium, zinc, copper&#8230; \u2192 washed rice water is a very strong antioxidant.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">Methods of implementation: take the water which used to wash the rice for the first time into a small bowl, then soak rusty tool in it for about half day.<\/span><\/p>\n<blockquote>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\"><em>Kindly note: applied on stainless steel knives, plates and spoons that have not been used for a long time<\/em><\/span><\/p>\n<\/blockquote>\n<h3><span id=\"c_Rust_removal_by_lemon_juice_salt\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">c) Rust removal by lemon juice &amp; salt<\/span><\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">Chemical formula: lemon juice contains nearly 8% citrid acid, pH 2 &#8211; 3 and salt is sodium chloride NaCl.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">Methods of implementation: sprinkle salt on the stainless steel surface, then squeeze lemon juice on it for 2 &#8211; 3 hours. Next step, use the lemon zest to rub on the above mixture so you can remove rust without damaging the metal.<\/span><\/p>\n<blockquote>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\"><em>Kindly note: applied on small surface such as kinves, plates, spoons, spot, stainless stell pots that have not been used for a long time<\/em><\/span><\/p>\n<\/blockquote>\n<h3><span id=\"d_Rust_removal_by_baking_soda_vinegar_combination\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">d) Rust removal by baking soda &amp; vinegar combination<\/span><\/span><\/h3>\n<p><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">Chemical formula of baking soda: NaHCO3<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">Chemical formuala of vinegar: CH3COOH<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">Methods of implementation: put about 2 table spoons of baking soda in the bowl, add a little vinegar (they will boil because of chemical reaction), mix them up and the mixture can be like toothpaste (if it&#8217;s too loose, you should add more baking soda, if it&#8217;s too condensed, you should add more vinegar). After stirring, use a spoons to apply the mixture to the rusted areas then wash with soap and water.<\/span><\/p>\n<blockquote><p><span class=\"Y2IQFc\" lang=\"en\" style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">See more:<\/span><\/p>\n<ul>\n<li class=\"entry-title\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\"><a href=\"https:\/\/inoxdaiduong.com\/en\/advantages-disadvantages-of-stainless-steel\/\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">Advantages &amp; Disadvantages of Stainless Steel O S S<\/a><\/span><\/li>\n<li class=\"entry-title\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\"><a href=\"https:\/\/inoxdaiduong.com\/en\/matte-stainless-steel\/\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">What is matte stainless steel? Applications of it in life<\/a><\/span><\/li>\n<li class=\"entry-title\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\"><a href=\"https:\/\/inoxdaiduong.com\/en\/what-is-din-standard\/\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">What is DIN standard? \u2013 Content of DIN standard in the industry<\/a><\/span><\/li>\n<li><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\"><a href=\"https:\/\/inoxdaiduong.com\/en\/the-most-popular-steel-types-nowadays\/\" target=\"_blank\" rel=\"noopener\">The Most Popular Steel Types Nowadays<\/a><\/span><\/li>\n<\/ul>\n<\/blockquote>\n<h2><span id=\"2_Stainless_steel_rust_removal_with_specialized_chemical\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">2. Stainless steel rust removal with specialized chemical<\/span><\/span><\/h2>\n<h3><span id=\"a_Rust_remover_MQ-500\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">a) Rust remover MQ-500<\/span><\/span><\/h3>\n<p><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\"><img class=\" wp-image-9788 alignleft\" src=\"https:\/\/inoxdaiduong.com\/wp-content\/uploads\/2018\/08\/MQ-500.png\" alt=\"MQ-500\" width=\"162\" height=\"234\" \/>Trading name: stainless steel rust removal liquid<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">Origin: China<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">Method of implementation: dilute the solution with water at a ratio of 2:10 or 5:10 depends on level of rusty you want to remove, use a paint brush or a soft cloth to absorb the liquid and spread evenly on the surface where you need to remove a thin layer of about 1 mm (should keep the object to be cleaned in a cool, ventilated place, avoid directly sun to minimize the fading of the material), wait for about 30 minutes, if it&#8217;s winter, the absorbance time may be longer then clean the surface with a diluted soap solution then rinse with water.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\"><strong>Note:<\/strong> avoid letting the liquid get into your eyes, if it\u2019s got into your eyes, wash immediately with clean water and should see a doctor, wash your hands thoroughly after using.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\"><strong>Advantages:<\/strong> Stainless steel rust removal liquid has a very strong chemical activity, can remove heavy rust stains and whiten weld lines very well.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\"><strong>Disadvantages: <\/strong>Due to it &#8216;s high acidity, after rust removal with MQ &#8211; 500, it must be washed immediately with dilute soap and easily cause surface blur after used.<\/span><\/p>\n<h3><span id=\"b_Rust_removal_SR-100\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">b) Rust removal SR-100<\/span><\/span><\/h3>\n<p><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\"><img class=\" wp-image-9791 alignleft\" src=\"https:\/\/inoxdaiduong.com\/wp-content\/uploads\/2018\/08\/SR-100.png\" alt=\"SR-100\" width=\"149\" height=\"165\" srcset=\"https:\/\/inoxdaiduong.com\/wp-content\/uploads\/2018\/08\/SR-100.png 250w, https:\/\/inoxdaiduong.com\/wp-content\/uploads\/2018\/08\/SR-100-220x244.png 220w\" sizes=\"(max-width: 149px) 100vw, 149px\" \/>Trading name: carbon steel rust removal liquid SR-100<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">Origin: Korea<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">Method of implementation: use a spray bottle or soft cloth to absorb the liquid and spread evenly on the rusted area to be removed, wait for about 5 minutes. Then use a soft brush or cloth soaked in clean water to wipe the rust stains.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\"><strong>Advantages:<\/strong> easy to volatile, can both clean rust stains and polish stainless steel surface<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\"><strong>Disadvantages:<\/strong> average rust removal ability, high cost<\/span><\/p>\n<blockquote>\n<p style=\"text-align: justify;\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\"><em>Warning: for rust removal with specialized chemicals, you should consult a person with expertise in mechanical and chemical treatment. This method should only be applied to the cases of cleaning constructions using stainless steel contaminated with impurities or improperly maintained and cleaned, causing rust on surface.<\/em><\/span><\/p>\n<\/blockquote>\n<blockquote><p><span class=\"Y2IQFc\" lang=\"en\" style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">Related posts:<\/span><\/p>\n<ul>\n<li><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\"><a href=\"https:\/\/inoxdaiduong.com\/en\/product\/stainless-steel-strip-coils\/\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">Stainless steel strip \/ coils<\/a><\/span><\/li>\n<li><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\"><a href=\"https:\/\/inoxdaiduong.com\/en\/what-is-din-standard\/\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">What is DIN standard? \u2013 Content of DIN standard in the industry<\/a><\/span><\/li>\n<li><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\"><a href=\"https:\/\/inoxdaiduong.com\/en\/stainless-steel-201\/\" target=\"_blank\" rel=\"noopener\" data-wpel-link=\"internal\">What is the stainless steel in grade 201? The question and answers<\/a><\/span><\/li>\n<\/ul>\n<\/blockquote>\n<p><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\">Follow Fanpage <a href=\"https:\/\/www.facebook.com\/DaiDuongOss\/\" target=\"_blank\" rel=\"noopener\">Stainless Steel Dai Duong<\/a> to receive more information about stainless steel products!<\/span><\/p>\n<p style=\"text-align: right;\"><span style=\"font-family: 'times new roman', times, serif; font-size: 130%;\"><em>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/em>Editorial Board: O S S Dai Duong<\/span><\/p>\n<div style=\"display: none;\"\n    class=\"kk-star-ratings kksr-valign-bottom kksr-align-center kksr-disabled\"\n    data-id=\"9784\"\n    data-slug=\"\">\n    <div class=\"kksr-stars\">\n    <div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\">\n            <div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\">\n            <div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\">\n            <div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\">\n            <div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\">\n            <div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    <div class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\">\n            <div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\">\n            <div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\">\n            <div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\">\n            <div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\">\n            <div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n    <div class=\"kksr-legend\">\n            <span class=\"kksr-muted\"><\/span>\n    <\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>For some reasons the protecting film of stainless steel surface can be destructed and recovery process has stopped causing rust on surface. As below, Dai Duong will advise some simple methods for removal stainless steel rust with findable material, an be applied for stainless steel tool in your house and huge stainless steel constructions. 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