{"id":1091,"date":"2026-02-04T14:00:00","date_gmt":"2026-02-04T14:00:00","guid":{"rendered":"https:\/\/tbpsolventdoholl.com\/?p=1091"},"modified":"2026-01-31T03:12:26","modified_gmt":"2026-01-31T03:12:26","slug":"surfactants-in-food-contact-coatings-safety-overview","status":"publish","type":"post","link":"https:\/\/tbpsolventdoholl.com\/bg\/surfactants-in-food-contact-coatings-safety-overview\/","title":{"rendered":"Surfactants in Food-Contact Coatings: Safety Overview"},"content":{"rendered":"<p>\u0432\u043e\u0434\u0435\u0449 \u043f\u0430\u0440\u0430\u0433\u0440\u0430\u0444:<br>When it comes to food packaging and utensils, every layer matters \u2014 especially the coating that touches what we eat.<\/p>\n\n\n\n<p>\u043e\u0442\u043a\u044a\u0441 \u043e\u0442 \u043f\u0430\u0440\u0430\u0433\u0440\u0430\u0444:<br><strong>Surfactants<\/strong> used in <strong>food-contact coatings<\/strong> play a crucial role in wetting, dispersion, and adhesion. However, their <strong>safety, purity, and regulatory compliance<\/strong> determine whether they\u2019re suitable for direct or indirect food applications.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"2560\" height=\"1918\" src=\"https:\/\/tbpsolventdoholl.com\/wp-content\/uploads\/2025\/11\/\u5382\u90e8\u7167\u72472-1-\u8f6c\u6362\u81ea-jpg-1-scaled.webp\" alt=\"\" class=\"wp-image-1729\" style=\"width:443px;height:auto\" srcset=\"https:\/\/tbpsolventdoholl.com\/wp-content\/uploads\/2025\/11\/\u5382\u90e8\u7167\u72472-1-\u8f6c\u6362\u81ea-jpg-1-scaled.webp 2560w, https:\/\/tbpsolventdoholl.com\/wp-content\/uploads\/2025\/11\/\u5382\u90e8\u7167\u72472-1-\u8f6c\u6362\u81ea-jpg-1-1536x1151.webp 1536w, https:\/\/tbpsolventdoholl.com\/wp-content\/uploads\/2025\/11\/\u5382\u90e8\u7167\u72472-1-\u8f6c\u6362\u81ea-jpg-1-2048x1535.webp 2048w, https:\/\/tbpsolventdoholl.com\/wp-content\/uploads\/2025\/11\/\u5382\u90e8\u7167\u72472-1-\u8f6c\u6362\u81ea-jpg-1-16x12.webp 16w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n\n\n\n<p>\u041f\u0440\u0435\u0445\u043e\u0434\u0435\u043d \u043f\u0430\u0440\u0430\u0433\u0440\u0430\u0444:<br>Food-contact coatings must meet the strictest global standards \u2014 from <strong>FDA (U.S.)<\/strong> \u0438 <strong>EU Regulation (EC) No 1935\/2004<\/strong>, to <strong>China GB 9685-2016<\/strong>. This article explores how surfactants are used safely in these coatings, what regulations apply, and how manufacturers like <strong>Donghong Chemical<\/strong> ensure product purity and compliance.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">What Are Food-Contact Coatings?<\/h2>\n\n\n\n<p>\u0432\u043e\u0434\u0435\u0449 \u043f\u0430\u0440\u0430\u0433\u0440\u0430\u0444:<br>Food-contact coatings form the invisible barrier between food and packaging \u2014 ensuring protection, hygiene, and longevity.<\/p>\n\n\n\n<p>\u043e\u0442\u043a\u044a\u0441 \u043e\u0442 \u043f\u0430\u0440\u0430\u0433\u0440\u0430\u0444:<br>They are <strong>polymer-based coatings<\/strong> applied to metal cans, paper, plastic, or glass to prevent corrosion, migration, and contamination. Common examples include <strong>can coatings, baking trays, bottle liners, and food storage films<\/strong>.<\/p>\n\n\n\n<p><strong>Functions of Food-Contact Coatings:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Prevents metal ion migration in cans.<\/li>\n\n\n\n<li>Improves adhesion between food-safe substrates.<\/li>\n\n\n\n<li>Provides chemical and moisture resistance.<\/li>\n\n\n\n<li>Ensures smooth, cleanable, non-reactive surfaces.<\/li>\n<\/ul>\n\n\n\n<p>To perform these functions efficiently, coatings require surfactants for <strong>uniform film formation<\/strong>, <strong>pigment dispersion<\/strong>, \u0438 <strong>substrate wetting<\/strong> \u2014 but only those approved for food contact can be used.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"2560\" height=\"1918\" src=\"https:\/\/tbpsolventdoholl.com\/wp-content\/uploads\/2025\/12\/\u5382\u90e8\u7167\u72477-1-\u8f6c\u6362\u81ea-jpg-scaled.webp\" alt=\"\" class=\"wp-image-1730\" style=\"width:454px;height:auto\" srcset=\"https:\/\/tbpsolventdoholl.com\/wp-content\/uploads\/2025\/12\/\u5382\u90e8\u7167\u72477-1-\u8f6c\u6362\u81ea-jpg-scaled.webp 2560w, https:\/\/tbpsolventdoholl.com\/wp-content\/uploads\/2025\/12\/\u5382\u90e8\u7167\u72477-1-\u8f6c\u6362\u81ea-jpg-1536x1151.webp 1536w, https:\/\/tbpsolventdoholl.com\/wp-content\/uploads\/2025\/12\/\u5382\u90e8\u7167\u72477-1-\u8f6c\u6362\u81ea-jpg-2048x1535.webp 2048w, https:\/\/tbpsolventdoholl.com\/wp-content\/uploads\/2025\/12\/\u5382\u90e8\u7167\u72477-1-\u8f6c\u6362\u81ea-jpg-16x12.webp 16w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Why Surfactants Are Needed in Food-Contact Coatings<\/h2>\n\n\n\n<p>\u0432\u043e\u0434\u0435\u0449 \u043f\u0430\u0440\u0430\u0433\u0440\u0430\u0444:<br>In every high-performance coating, surfactants are the invisible enablers of consistency and safety.<\/p>\n\n\n\n<p>\u043e\u0442\u043a\u044a\u0441 \u043e\u0442 \u043f\u0430\u0440\u0430\u0433\u0440\u0430\u0444:<br>Surfactants reduce surface tension, allowing the coating to spread evenly and adhere to complex surfaces. In food-contact coatings, they ensure smooth film formation without defects or pinholes that could lead to contamination.<\/p>\n\n\n\n<p><strong>Core Functions of Surfactants in Food-Grade Coatings:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u0412\u043b\u0430\u0436\u043d\u0438\u0442\u0435\u043b:<\/strong> Ensures even spreading on metal, glass, or plastic substrates.<\/li>\n\n\n\n<li><strong>\u0414\u0438\u0441\u043f\u0435\u0440\u0433\u0430\u0442\u043e\u0440:<\/strong> Keeps pigments and fillers uniformly distributed.<\/li>\n\n\n\n<li><strong>Emulsifier:<\/strong> Stabilizes waterborne resin systems.<\/li>\n\n\n\n<li><strong>\u0420\u0435\u0433\u0443\u043b\u0430\u0442\u043e\u0440 \u0437\u0430 \u043d\u0438\u0432\u0435\u043b\u0438\u0440\u0430\u043d\u0435:<\/strong> Produces uniform, defect-free surfaces.<\/li>\n\n\n\n<li><strong>Anti-Corrosive Agent:<\/strong> Creates a protective layer that prevents leaching.<\/li>\n<\/ol>\n\n\n\n<p><strong>Key Requirement:<\/strong><br>Surfactants used here must be <strong>cURL Too many subrequests.<\/strong>, \u0438 <strong>cURL Too many subrequests.<\/strong> cURL Too many subrequests.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">cURL Too many subrequests.<\/h2>\n\n\n\n<p>\u0432\u043e\u0434\u0435\u0449 \u043f\u0430\u0440\u0430\u0433\u0440\u0430\u0444:<br>cURL Too many subrequests.<\/p>\n\n\n\n<p>\u043e\u0442\u043a\u044a\u0441 \u043e\u0442 \u043f\u0430\u0440\u0430\u0433\u0440\u0430\u0444:<br>cURL Too many subrequests.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>cURL Too many subrequests.<\/strong><\/h3>\n\n\n\n<p>cURL Too many subrequests. <strong>cURL Too many subrequests.<\/strong>, cURL Too many subrequests.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>cURL Too many subrequests. <strong>cURL Too many subrequests.<\/strong>.<\/li>\n\n\n\n<li>cURL Too many subrequests. <strong>cURL Too many subrequests.<\/strong> cURL Too many subrequests.<\/li>\n\n\n\n<li>cURL Too many subrequests.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>cURL Too many subrequests.<\/strong><\/h3>\n\n\n\n<p>cURL Too many subrequests.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>cURL Too many subrequests. <strong>non-reactive<\/strong> \u0438 <strong>non-migrating<\/strong> under normal use.<\/li>\n\n\n\n<li>\u0421\u044a\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0435 \u0441 <strong>EU 10\/2011<\/strong> on plastic materials in contact with food.<\/li>\n\n\n\n<li>Mandatory declaration of <strong>residual solvents and monomers<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. China\u2019s GB 9685-2016 Standard<\/strong><\/h3>\n\n\n\n<p>Lists permitted substances and maximum limits for use in food-contact coatings.<br>Phosphate esters and related surfactants can be used if they meet the following:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Residual monomer \u22640.01%.<\/li>\n\n\n\n<li>Heavy metal content (Pb, Cd, Hg) below detection limits.<\/li>\n\n\n\n<li>Non-detectable odor or taste transfer.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0424\u043e\u0441\u0444\u0430\u0442\u043d\u0438\u0442\u0435 \u0435\u0441\u0442\u0435\u0440-\u0441\u0443\u0440\u0444\u0430\u043a\u0442\u0430\u043d\u0442\u0438 \u043d\u0430 Donghong Chemical<\/strong> comply with these global standards, ensuring safe use in <strong>can coatings, packaging films, and food-grade sealants<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Safe Surfactant Types for Food-Contact Applications<\/h2>\n\n\n\n<p>\u0432\u043e\u0434\u0435\u0449 \u043f\u0430\u0440\u0430\u0433\u0440\u0430\u0444:<br>Not every surfactant makes the cut \u2014 only ultra-pure, non-toxic, and thermally stable types are suitable for food-contact coatings.<\/p>\n\n\n\n<p>\u043e\u0442\u043a\u044a\u0441 \u043e\u0442 \u043f\u0430\u0440\u0430\u0433\u0440\u0430\u0444:<br>Below are the most commonly approved surfactants used in food-safe formulations.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0422\u0438\u043f \u043f\u043e\u0432\u044a\u0440\u0445\u043d\u043e\u0441\u0442\u043d\u043e\u0430\u043a\u0442\u0438\u0432\u043d\u043e \u0432\u0435\u0449\u0435\u0441\u0442\u0432\u043e<\/th><th>\u0424\u0443\u043d\u043a\u0446\u0438\u044f<\/th><th>Food Safety Property<\/th><th>Example Chemical<\/th><\/tr><\/thead><tbody><tr><td><strong>Phosphate Esters (AEO-3, NP-Free)<\/strong><\/td><td>Wetting, dispersing<\/td><td>Biodegradable, thermally stable<\/td><td>Donghong Chemical AEO-3<\/td><\/tr><tr><td><strong>Fatty Alcohol Ethoxylates (Nonionic)<\/strong><\/td><td>Emulsifier, leveling agent<\/td><td>Low toxicity, odorless<\/td><td>AEO-9 series<\/td><\/tr><tr><td><strong>Sorbitan Esters (Natural-based)<\/strong><\/td><td>Emulsifier<\/td><td>Food-grade, plant-derived<\/td><td>Span\/Tween surfactants<\/td><\/tr><tr><td><strong>Polyether Silicones<\/strong><\/td><td>Leveling, anti-foam<\/td><td>Chemically inert<\/td><td>Silicone defoamers<\/td><\/tr><tr><td><strong>Alkyl Polyglucosides (APG)<\/strong><\/td><td>Eco-friendly surfactant<\/td><td>Derived from natural glucose<\/td><td>APG 0810<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>cURL Too many subrequests.<\/strong> are widely favored for <strong>cURL Too many subrequests.<\/strong> cURL Too many subrequests.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">cURL Too many subrequests.<\/h2>\n\n\n\n<p>\u0432\u043e\u0434\u0435\u0449 \u043f\u0430\u0440\u0430\u0433\u0440\u0430\u0444:<br>cURL Too many subrequests.<\/p>\n\n\n\n<p>\u043e\u0442\u043a\u044a\u0441 \u043e\u0442 \u043f\u0430\u0440\u0430\u0433\u0440\u0430\u0444:<br>They are <strong>cURL Too many subrequests.<\/strong> cURL Too many subrequests. <strong>phosphoric acid<\/strong> \u0438 <strong>\u0435\u0442\u043e\u043a\u0441\u0438\u043b\u0438\u0440\u0430\u043d\u0438 \u043c\u0430\u0441\u0442\u043d\u0438 \u0430\u043b\u043a\u043e\u0445\u043e\u043b\u0438<\/strong>, cURL Too many subrequests.<\/p>\n\n\n\n<p><strong>Safety Features:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>cURL Too many subrequests.<\/strong> cURL Too many subrequests.<\/li>\n\n\n\n<li><strong>cURL Too many subrequests.<\/strong> cURL Too many subrequests.<\/li>\n\n\n\n<li><strong>cURL Too many subrequests.<\/strong> cURL Too many subrequests.<\/li>\n\n\n\n<li><strong>cURL Too many subrequests.<\/strong> cURL Too many subrequests.<\/li>\n<\/ul>\n\n\n\n<p><strong>cURL Too many subrequests.<\/strong> cURL Too many subrequests.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">cURL Too many subrequests.<\/h2>\n\n\n\n<p>\u0432\u043e\u0434\u0435\u0449 \u043f\u0430\u0440\u0430\u0433\u0440\u0430\u0444:<br>cURL Too many subrequests.<\/p>\n\n\n\n<p>\u043e\u0442\u043a\u044a\u0441 \u043e\u0442 \u043f\u0430\u0440\u0430\u0433\u0440\u0430\u0444:<br><strong>Donghong Chemical<\/strong> maintains a strict QC system aligned with <strong>ISO9001<\/strong> \u0438 <strong>ISO14001<\/strong> standards to ensure consistency and safety.<\/p>\n\n\n\n<p><strong>Testing Parameters:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u0421\u0432\u043e\u0439\u0441\u0442\u0432\u043e<\/th><th>Standard<\/th><th>Typical Result<\/th><\/tr><\/thead><tbody><tr><td>\u0427\u0438\u0441\u0442\u043e\u0442\u0430 (%)<\/td><td>\u226599<\/td><td>99.5<\/td><\/tr><tr><td>\u0421\u0442\u043e\u0439\u043d\u043e\u0441\u0442 \u043d\u0430 \u043a\u0438\u0441\u0435\u043b\u0438\u043d\u043d\u043e\u0441\u0442 (mgKOH\/g)<\/td><td>\u22640.3<\/td><td>0.2<\/td><\/tr><tr><td>\u0426\u0432\u044f\u0442 (APHA)<\/td><td>\u226430<\/td><td>25<\/td><\/tr><tr><td>Water Content (%)<\/td><td>\u22640.1<\/td><td>0.08<\/td><\/tr><tr><td>Odor \/ Taste Transfer<\/td><td>\u041d\u044f\u043c\u0430<\/td><td>Pass<\/td><\/tr><tr><td>Thermal Decomposition (\u00b0C)<\/td><td>\u2265120<\/td><td>130<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Analytical Methods Used:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0413\u0430\u0437\u043e\u0432\u0430 \u0445\u0440\u043e\u043c\u0430\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u044f (GC)<\/li>\n\n\n\n<li>Fourier-Transform Infrared Spectroscopy (FTIR)<\/li>\n\n\n\n<li>Karl Fischer Moisture Test<\/li>\n\n\n\n<li>Migration Simulation with Food Simulants<\/li>\n<\/ul>\n\n\n\n<p>Donghong\u2019s analytical data ensures surfactants remain compliant with <strong>FDA, EU, and GB<\/strong> requirements for safe use in <strong>food-contact coatings and packaging<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Environmental and Health Safety Aspects<\/h2>\n\n\n\n<p>\u0432\u043e\u0434\u0435\u0449 \u043f\u0430\u0440\u0430\u0433\u0440\u0430\u0444:<br>Food-contact surfactants must not only be safe for humans but also for the planet.<\/p>\n\n\n\n<p>\u043e\u0442\u043a\u044a\u0441 \u043e\u0442 \u043f\u0430\u0440\u0430\u0433\u0440\u0430\u0444:<br>Modern phosphate esters are <strong>biodegradable<\/strong> \u0438 <strong>free from heavy metals, halogens, and APEOs<\/strong>, aligning with the EU\u2019s <strong>green chemistry directives<\/strong>.<\/p>\n\n\n\n<p><strong>Eco-Safety Profile:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Biodegradability:<\/strong> &gt;90% (OECD 301 Test)<\/li>\n\n\n\n<li><strong>Toxicity:<\/strong> Non-irritating, non-carcinogenic<\/li>\n\n\n\n<li><strong>VOC Content:<\/strong> &lt;0.1%<\/li>\n\n\n\n<li><strong>Wastewater Impact:<\/strong> Minimal; easily treatable<\/li>\n<\/ul>\n\n\n\n<p><strong>Sustainability Practices by Donghong Chemical:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Closed-loop solvent recovery system (&gt;95% efficiency)<\/li>\n\n\n\n<li>Zero wastewater discharge from esterification lines<\/li>\n\n\n\n<li>Active carbon filtration to remove residual impurities<\/li>\n\n\n\n<li><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">Why Choose Donghong Chemical for Food-Contact Coating Surfactants<\/h2>\n\n\n\n<p><strong>Donghong Chemical<\/strong> (Guangdong, China) is a global supplier of <strong>high-purity phosphate esters and surfactant additives<\/strong> tailored for food-contact and industrial coatings.<\/p>\n\n\n\n<p><strong>\u0410\u043a\u0446\u0435\u043d\u0442\u0438 \u043d\u0430 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0430:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>AEO-3 \u0424\u043e\u0441\u0444\u0430\u0442\u0435\u043d \u0435\u0441\u0442\u0435\u0440:<\/strong> Non-toxic wetting agent for food packaging coatings.<\/li>\n\n\n\n<li><strong>cURL Too many subrequests.<\/strong> cURL Too many subrequests.<\/li>\n\n\n\n<li><strong>TEP (\u0422\u0440\u0438\u0435\u0442\u0438\u043b \u0444\u043e\u0441\u0444\u0430\u0442):<\/strong> cURL Too many subrequests.<\/li>\n\n\n\n<li><strong>P204:<\/strong> cURL Too many subrequests.<\/li>\n<\/ul>\n\n\n\n<p><strong>Certifications:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ISO9001 \/ ISO14001 \/ REACH \/ RoHS<\/li>\n\n\n\n<li>cURL Too many subrequests.<\/li>\n<\/ul>\n\n\n\n<p><strong>cURL Too many subrequests.<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0413\u043e\u0434\u0438\u0448\u0435\u043d \u043a\u0430\u043f\u0430\u0446\u0438\u0442\u0435\u0442 \u043e\u0442 20 000 \u0442\u043e\u043d\u0430<\/li>\n\n\n\n<li>cURL Too many subrequests.<\/li>\n\n\n\n<li>cURL Too many subrequests. <strong>cURL Too many subrequests.<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">cURL Too many subrequests.<\/h2>\n\n\n\n<p>cURL Too many subrequests. <strong>cURL Too many subrequests.<\/strong>.<br>cURL Too many subrequests. <strong>cURL Too many subrequests.<\/strong> cURL Too many subrequests.<\/p>\n\n\n\n<p><strong>Donghong Chemical<\/strong> cURL Too many subrequests. <strong>cURL Too many subrequests.<\/strong>, cURL Too many subrequests.<\/p>\n\n\n\n<p>cURL Too many subrequests.<\/p>\n\n\n\n<p>\ud83d\udce7 <strong>\u0418\u043c\u0435\u0439\u043b:<\/strong> dohollchemical@gmail.com<br>\ud83d\udcf1 <strong>WhatsApp:<\/strong> +86 139 0301 4781<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<p><em>Donghong Chemical \u2014 Trusted supplier of phosphate ester surfactants and food-contact coating additives, ensuring purity, performance, and global compliance.<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>leading paragraph:When it comes to food packaging and utensils, every layer matters \u2014 especially the coating that touches what we 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