With the further improvement of the industrial level, more and more people will use a large number of various silicone rubber products in their lives. The two most common silicone rubber products can be divided into ordinary silicone rubber products and food-grade silicone rubber products.

Food-grade silicone rubber daily necessities have irreplaceable characteristics. First of all, it is non-toxic and tasteless. Second, the service life and performance must be outstanding. Compared with other ordinary materials, the difference is that high temperature resistance is not deformed, and the toughness is stronger, such as falling. It will not be bumpy in the future, it can be twisted and kneaded for a long time, it is not sticky and oily, and it will not be moldy or discolored after long-term storage. This is also incomparable with ordinary materials and other materials.

Silicone rubber is widely used in food. All kinds of silicone rubber kitchen utensils and silicone rubber tableware can be produced, and they definitely pass the quality inspection. In fact, there are traces of food-grade silicone rubber in ordinary people's homes. The most common one is the gasket used for sealing in the pressure cooker, which is easy to clean and non-toxic and harmless. Its application in the kitchenware industry can be seen everywhere. Take silicone rubber shovel as an example. Its characteristics are that it can be bent and fits better with the bottom of the pan. Its water resistance, oil resistance, non-stick pan and easy cleaning are also popular among consumers. favorite. Silicone rubber pacifiers will not deform or produce peculiar smell even if they are boiled in boiling water. They have many advantages, so they have become the choice of many parents.

So do you know how to identify food grade silicone rubber?

Secret one: smell the method. Put the silicone rubber product close to your nose and smell it. The pungent odor is ordinary silicone rubber, and vice versa is food-grade silicone rubber. Ordinary silicone rubber has a pungent odor and is not environmentally friendly silicone rubber. The food-grade silicone rubber is non-toxic and tasteless, and is an environmentally friendly silicone rubber.

Tip 2: Pull hard. Take the silicone rubber tube as an example. Pinch the two ends of the silicone rubber tube with your hands and pull it in the opposite direction. If you pull it up and it turns white and you can smell a pungent smell, it means that it is ordinary silicone rubber. On the contrary, it is food grade. Silicone Rubber. (Sometimes it will not turn white when pulled up. Because the manufacturer produces by-products in the vulcanization process, there will be a faint smell, but it is also food-grade silicone rubber, which will not affect the quality of the product, and this smell is OK self-eliminated).

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

Tip 4: Require manufacturers or businesses to improve FDA food-grade certification.