Silica gel products are very common in our daily life. People who do not understand the characteristics of silica gel products may not know which kind of ordinary silica gel is not edible, and which kind of food grade silica gel can be eaten.Food grade silica gel from the literal meaning of understanding is edible silica gel, food grade silica gel identification method do you know how many?Next, let's discuss it together with the Grand silica gel xiaobian.

  Identification of food grade silica gel method:

  1. Distinguish from the smell of silica gel products

  Ordinary silica gel smells of pungent smell, and the taste will be very heavy, food grade silica gel is non-toxic and tasteless, does not smell any taste, belongs to environmental protection silica gel.

  2. Distinguish from the high temperature resistance of silica gel products

  Food grade silica gel high temperature resistance is generally 250 degrees, short time high temperature resistance can reach about 350 degrees, but ordinary silica gel Z high can only reach about 150 degrees.

  3. Distinguish from the tensile strength of silica gel

  We take the same hardness of silica gel for example, take a piece of silica gel to stretch by hand, both hands to pull, if you pull up white and can smell a strong smell, that is ordinary silica gel, on the contrary, pull up not white and good tensile is food grade silica gel.Sometimes pull up will not be white, because the manufacturer in the production of vulcanization process has a by-product generation, so there will be a light smell, but it is also food grade silica gel, which will not affect the quality of the product, and this smell can be eliminated by itself. 

  From the above food-grade silica gel identification method, we can know that food-grade silica gel is generally approved by the FDA food grade certification, non-toxic and tasteless, with high temperature resistance, high tensile strength, tear resistance and other characteristics.Do you know what food grade silica gel identification methods? Welcome your supplement. Hongtu silica gel is waiting for your understanding and consultation here.