Food-grade silicone means silicone that meets a recognised standard for repeated food contact. In practice, three standards cover most of the market: FDA 21 CFR 177.2600 in the US, LFGB §30 in Germany and the EU, and NSF food-contact listing. Everything else on a product page — “BPA-free,” “non-toxic,” “SGS-tested” — either sits underneath one of those standards or floats above the regulatory landscape entirely.

The three standards that actually mean something

FDA 21 CFR 177.2600 is the US standard for rubber articles intended for repeated food contact. It covers what the polymer can be made of, what additives are permitted, and how much of those additives can migrate into food under defined test conditions. A band or label compliant with this standard has either been tested against it or been manufactured from ingredients already on the approved list. It is not a certification mark you can put on a product without doing the work.

LFGB §30 is the German equivalent, generally considered stricter than FDA because it sets migration limits on a wider panel of substances and is the reference point used across much of Europe. Silicone kitchen products marketed in the EU typically need LFGB compliance before they can be sold.

NSF food-contact listing is an American certification from NSF International. Confusingly, NSF has two kinds of listing that get conflated on product pages — food-contact material listings (used on consumer products and labels) and NSF/ANSI 51 equipment listings (used on commercial kitchen equipment like dishwashers and ice makers). For bands and labels, the relevant one is the food-contact material listing. An item with genuine NSF food-contact certification has been tested and the listing is publicly searchable on the NSF website.

What “BPA-free” does and doesn’t say

BPA (bisphenol A) is a compound found in some plastics, most notably polycarbonate. Silicone is a fundamentally different material — it’s a polymer of silicon and oxygen, not a plastic, and it doesn’t contain BPA as part of its chemistry. Saying a silicone band is “BPA-free” is technically accurate but carries about as much weight as saying a stainless steel pan is lead-free.

It’s worth stating plainly on a product page so nervous buyers feel reassured. It’s not a differentiator between two silicone products. If one silicone band lists “BPA-free” as a hero feature and another doesn’t, the second one is almost certainly also BPA-free — they just didn’t put it in the bullets.

What SGS-tested means (and doesn’t)

SGS is a global testing and inspection company. Not a standard. Not a certification body issuing its own safety rating. When a product page says “SGS-tested 100% food-grade silicone,” what’s usually being said is: the manufacturer paid SGS to run a test on their material against one of the standards above — typically FDA or LFGB — and the material passed.

That’s useful information, but it’s a step, not an endpoint. The right question to ask is: tested against what? A page that says “SGS-tested to FDA 21 CFR 177.2600” or “SGS-tested to LFGB §30” is telling you something concrete. A page that just says “SGS-tested” is telling you only that someone ran a test. Same with generic “lab-tested” language.

The honesty signal sits in how specific the claim is.

What none of these standards certify

A compliant silicone band is safe for food contact within defined temperature and use limits. None of the standards above say anything about:

  • Durability. A band can be FDA-compliant and still tear after 30 washes.
  • Dishwasher survival. Food-grade silicone handles the chemistry and temperature, but the band’s design — thickness, shape, colour stability — determines how well it actually holds up over hundreds of cycles.
  • Temperature range in practice. FDA 21 CFR 177.2600 sets a compliance framework, not a heat rating. Individual products are typically rated by the manufacturer to 230°C (450°F), but that rating is a manufacturer claim, not a regulatory one.
  • Colour-fastness. A compliant band can still fade or discolour.

How to read a silicone product page

A useful page says three things plainly. First, which standard the material meets — FDA, LFGB, NSF, or a combination. Second, whether that compliance has been verified by a third-party lab (SGS, Intertek, Bureau Veritas), and if so, against which specific standard. Third, what the manufacturer’s own ratings are for temperature, dishwasher cycles, and expected service life.

A less useful page stacks adjectives — food-safe, non-toxic, premium-grade, lab-tested, BPA-free — without tying any of them to a standard. That’s not dishonest, necessarily. It’s just light on information. The chef reading it has no way to compare it to a band next to it on the shelf.

What to do with this at purchase time

If you’re sourcing silicone bands or labels for a commercial kitchen and you want to know what you’re buying, ask for two things. One: which food-contact standard the product complies with, in the form of a specific reference (21 CFR 177.2600, LFGB §30, NSF food-contact). Two: if the manufacturer says the material has been third-party tested, which lab did the work and against which standard. Any reputable supplier can produce the paperwork within a few hours. The ones that can’t are the ones worth noting.