How to distinguish food grade silica gel?

Food grade silicone products in daily life is now more and more widespread, it is more environmentally friendly than plastic products, and itself tasteless, good temperature resistance, long service life, so when it launched the market, it immediately attracted our attention, however, there are still some dirty manufacturers will be shoddy, the general food grade silicone silicone products at the price of high-grade silicone products for sale, Kotelli today to share, how to identify food grade silica gel method.

Take the silicone tube as an example, pinch the two ends of the silicone tube by hand and pull in the opposite direction. If it is white and can smell the nose, it is general silicone, on the contrary, it is food-grade silicone. Sometimes pull up will not be white, because the manufacturer in the production of vulcanization process there are by-products, so there will be a light smell, but it is the same food grade silicone, this will not affect the quality of the product, and the smell can be gone by itself.

There is a supplementary method is to smell, if it is pulled up white and have a nose smell, it can be concluded that is general silica gel, rather than food grade, different grades of silica gel are different, and the price is very different, so, when we choose food grade silica gel, we must pay particular attention to, don't let people cheat, if, If you really don't know anything about it, you can go to Lick Precision and have a look. I believe you will have a different harvest.