How to Distinguish Food-Grade Soft Silicone Rubber?

Whether you are purchasing kitchen baking molds, baby teethers, or kitchen scrapers, we always prioritize food-grade soft silicone rubber. However, nearly 50% of silicone products on the market are not genuine food-grade soft silicone, and you may end up buying low-quality goods!

Identifying real food-grade silicone is simple. Here are 5 practical tips that anyone can easily master. 

1. Check Official Certifications

Genuine food-grade silicone is clearly marked for food contact use. It complies with China’s national standard GB 4806.11 and meets FDA food-grade standards for export.

Beware of merchants who only advertise “food-grade” but cannot provide valid test reports. Most of these products are made from recycled silicone materials.

2. Odor Identification

It is normal to have a slight smell after opening the package. Genuine pure silicone has no peculiar or harsh odors, only a faint inherent silicone scent. The mild smell will fade away in a few minutes with proper ventilation. 

Low-quality silicone gives off a strong chemical or plastic odor, caused by harmful chemical additives. Long-term contact with food using such products poses serious health risks.

3. Test it yourself

You can easily identify silicone quality through simple manual tests. Premium silicone features great elasticity and can bounce back immediately after stretching without permanent deformation. In contrast, inferior silicone will become loose, distorted, or even crack after being stretched.

Another effective test is to boil the product in hot water for 5 minutes. Food-grade pure silicone will not turn yellow, fade, or produce strange odors after boiling. However, low-grade materials will peel and release harmful substances when heated.

4. Reliable manufacturer choosing

Choosing a reliable manufacturer is extremely important. Always select qualified suppliers with a good reputation, stable quality and valid test reports. Avoid uncertified vendors with unreasonably low prices. Especially for bulk orders, verify the production process in advance to prevent potential risks and unnecessary troubles.

5. Don’t just chase low prices

High-quality silicone materials and strict production standards come at a reasonable cost, so prices cannot be overly cheap. Products with abnormally low prices are usually made of counterfeit materials or skip essential production procedures. It may seem cost-saving at first, but in the long run, it will harm your health and waste your time.

Whether for household daily use or customized bulk corporate orders, if you are worried about purchasing non-food-grade silicone, feel free to contact our customer service. We can provide GB4806.11 and FDA certifications, as well as official test reports for our soft silicone products, so you can shop with complete peace of mind.