People’s living standards continue to improve, the use of silicone products in our daily lives is becoming more more common. Compared with plastic products, silicone products are more environmentally friendly conform to people’s current concept of green healthy life. In fact, in life Many materials are replaced by silicone products.

Do you still only understand the surface of silicone products? The essential material of silicone products is silica gel, silica gel is also graded, such as: medical grade silica gel, industrial grade silica gel, high temperature resistant silica gel, food grade silica gel, etc., the material of the silica gel products used in our lives is food grade silica gel. .

Do you know how to identify food grade silicone? Today, the editor will teach you a few tips to learn how to easily identify food-grade silicone.

Secret one: smell method. Put the silicone product close to your nose smell it. The pungent odor is ordinary silicone, the opposite is food-grade silicone. Ordinary silica gel has a pungent odor is environmentally friendly. The food-grade silica gel is non-toxic tasteless belongs to environmentally friendly silica gel.

Secret Two: Pull hard. Take the silicone tube as an example. Pinch both ends of the silicone tube with your hands pull it in the opposite direction. If you pull it white you can smell the pungent smell, it means it is ordinary silicone. On the contrary, it is food-grade silicone. (Sometimes it won’t be white when pulled up. Because the manufacturer produces by-products during the vulcanization process, there will be a slight odor, but it is also food-grade silica gel, which will affect the quality of the product. Eliminated).

Secret three: baking method. Except for special silica gel, the temperature resistance limit of ordinary silica gel can only reach about 150 degrees, while the food grade silica gel can withstand high temperature of 250 degrees, the temperature can be as high as 350 degrees in a short time.

Secret four: require manufacturers businesses to improve FDA food-grade certification.

Food-grade silica gel has the characteristics of non-toxic, odorless, high temperature resistance, stable chemical properties, high transparency. The silicone products made will turn yellow over time. The performance of ordinary silica gel is so good. Products made with this type of silica gel will only have a great smell, but will also turn yellow dark lines over time.