{"id":16159,"date":"2026-05-11T15:18:35","date_gmt":"2026-05-11T07:18:35","guid":{"rendered":"https:\/\/rysilicone.com\/?p=16159"},"modified":"2026-05-14T17:29:25","modified_gmt":"2026-05-14T09:29:25","slug":"food-grade-silicone","status":"publish","type":"post","link":"https:\/\/rysilicone.com\/fr\/food-grade-silicone\/","title":{"rendered":"Silicone de qualit\u00e9 alimentaire\u00a0: conformit\u00e9 aux normes FDA 21 CFR 177.2600 et LFGB, et limites r\u00e9elles du proc\u00e9d\u00e9"},"content":{"rendered":"\n
Search “food grade silicone” and most of what comes back is the same encyclopedic loop \u2014 silicone is safe, silicone is heat resistant, silicone is BPA-free. None of it tells you where the compliance line actually sits, or what changes when an EU buyer asks for LFGB instead of FDA.<\/p>\n\n\n\n
That gap costs projects. A kitchenware SKU that passes 21 CFR 177.2600 can still fail an LFGB sensory panel, and the post-cure cycle that fixes it adds four hours per batch on our side. A baby pacifier built on peroxide-cured material will hold odor for weeks after washing. These are not edge cases. They are weekly conversations on our factory floor.<\/p>\n\n\n\n
The LFGB cost delta is not marketing math. It traces to raw material grade and the longer post-cure cycle needed to clear the sensory threshold. If a quote for “LFGB silicone” comes in at the same price as a generic FDA quote, the part has not been built to LFGB.<\/p>\n\n\n\n
Where Each Standard’s Scope Ends<\/h2>\n\n\n\n
Picking a standard is also a matter of knowing what it does not<\/em> do.<\/p>\n\n\n\n
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FDA 21 CFR 177.2600 says nothing about odor or taste.<\/strong> A part can satisfy migration limits and still smell strongly enough to trigger returns. Acceptable for many US-only kitchen tools, not acceptable for infant feeding products.<\/li>\n\n\n\n
EU 1935\/2004 is a framework, not a test.<\/strong> Compliance depends on national implementation. LFGB is what most German and Austrian retailers ask for by name.<\/li>\n\n\n\n
20 \u2013 30A for pacifiers; 60 \u2013 70A for spatula handles<\/td><\/tr>
Working temperature<\/td>
\u221240\u00b0C to +230\u00b0C standard; 250 \u2013 300\u00b0C short-burst grades<\/td>
Decides oven and steam-sterilizer compatibility<\/td><\/tr>
Pigment<\/td>
Food-contact certified only<\/td>
An untested pigment will fail migration regardless of base polymer<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<\/figure>\n\n\n\n
A part shipped with platinum cure, a 200\u00b0C\/4h post-cure, and food-grade pigment will clear LFGB sensory in production. Drop any one of the three and the part regresses to “FDA only” at best.<\/p>\n\n\n\n
Visual Checks Before You Send a Sample to the Lab<\/h2>\n\n\n\n
Lab testing is the only definitive answer. These three checks rule out obvious failures inside a minute.<\/p>\n\n\n\n
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Smell after a 30-second hand cup.<\/strong> A clean part is nearly odorless. A burnt or chemical note means under-cured material or peroxide residue.<\/li>\n\n\n\n
Stretch and look for whitening.<\/strong> Pure silicone may lighten slightly. Chalk-white whitening means calcium carbonate filler.<\/li>\n\n\n\n
Surface dust.<\/strong> Premium silicone wipes clean with a dry cloth. Static-loaded surfaces that grab lint trace back to filler content and incomplete curing.<\/li>\n<\/ol>\n\n\n\n<\/figure>\n\n\n\n
These are screening tests, not compliance evidence. They flag samples that should not even go to a lab. They do not replace a current test report.<\/p>\n\n\n\n
Food Grade Silicone FAQs<\/h2>\n\n\n
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Is food grade silicone safe for oven use?<\/h3>\n
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Yes, up to 230\u00b0C for standard grades and 250 \u2013 300\u00b0C for short-burst high-temp formulations. Confirm the specific working temperature against the product’s material datasheet \u2014 generic claims are not enough.<\/p>\n\n<\/div>\n<\/div>\n
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Is food grade silicone BPA-free?<\/h3>\n
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Yes. BPA is a plastics monomer and is not used in silicone polymerization. A BPA-free claim on silicone is technically accurate but marketing-driven; the substantive question is migration and sensory compliance.<\/p>\n\n<\/div>\n<\/div>\n
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FDA or LFGB \u2014 which do I need?<\/h3>\n
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FDA for US-only food contact. LFGB if you sell into Germany, Austria, Switzerland, or premium EU retail, or if odor and taste are part of the product experience (baby and beverage products).<\/p>\n\n<\/div>\n<\/div>\n
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Is food grade silicone dishwasher safe?<\/h3>\n
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For solid silicone parts with no bonded plastic or metal, yes \u2014 standard cycles and heated dry sit within working temperature. Assembled parts follow the lowest-rated component, not the silicone.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n
What You Still Need to Confirm Before Sourcing<\/h2>\n\n\n\n
A test certificate on file is the starting point, not the finish line. Before placing a PO, confirm:<\/p>\n\n\n\n
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[ ] The test report is issued to the finished part, not just the raw gum stock.<\/li>\n\n\n\n
[ ] The curing system is platinum, in writing, for any infant or LFGB-targeted SKU.<\/li>\n\n\n\n
[ ] Post-cure cycle length and temperature are documented on the production traveler.<\/li>\n\n\n\n
[ ] Pigment certificates are on file separately from the base polymer COA.<\/li>\n\n\n\n
[ ] Batch numbers on the gum stock are traceable to the finished part lot.<\/li>\n<\/ul>\n\n\n\n
Anything below this line is where projects fail in month three, not on day one.<\/p>\n\n\n\n
Search “food grade silicone” and most of what comes back is the same encyclopedic loop \u2014 silicone is safe, silicone is heat resistant, silicone is BPA-free. None of it tells you where the compliance line actually sits, or what changes when an EU buyer asks for LFGB instead of FDA. That gap costs projects. A […]<\/p>\n","protected":false},"author":1,"featured_media":16162,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1045],"tags":[],"class_list":["post-16159","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-silicone-materials"],"_links":{"self":[{"href":"https:\/\/rysilicone.com\/fr\/wp-json\/wp\/v2\/posts\/16159","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rysilicone.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rysilicone.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rysilicone.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rysilicone.com\/fr\/wp-json\/wp\/v2\/comments?post=16159"}],"version-history":[{"count":0,"href":"https:\/\/rysilicone.com\/fr\/wp-json\/wp\/v2\/posts\/16159\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rysilicone.com\/fr\/wp-json\/wp\/v2\/media\/16162"}],"wp:attachment":[{"href":"https:\/\/rysilicone.com\/fr\/wp-json\/wp\/v2\/media?parent=16159"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rysilicone.com\/fr\/wp-json\/wp\/v2\/categories?post=16159"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rysilicone.com\/fr\/wp-json\/wp\/v2\/tags?post=16159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"Three](\"https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/05\/Three-platinum-curing-and-post-curing-production-control-steps.jpg\")
<\/figure>\n\n\n\n![\"FDA](\"https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/05\/FDA-LFGB-EU-compliance-documents-next-to-silicone-samples.jpg\")
<\/figure>\n\n\n\n![\"Precision](\"https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/05\/Precision-LSR-injection-mold-producing-food-grade-silicone.jpg\")
<\/figure>\n\n\n\n![\"Factory](\"https:\/\/rysilicone.com\/wp-content\/uploads\/2026\/05\/Factory-QC-hands-stretching-silicone-sample-under-inspection-light.jpg\")
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