How to Distinguish Food Grade Silicone Products From Ordinary Grade Silicone Products

- Jun 13, 2019-

How to Distinguish Food Grade Silicone Products From Ordinary Grade Silicone Products

June11th,2019

The silicone products are made of silica gel, It is a highly active adsorbent material, which belongs to amorphous material. Its main component is silica, and its chemical properties are stable. Silicone products can be divided into many kinds according to their properties, such as food grade, medical grade, military grade and ordinary grade. How to distinguish food grade silicone products from ordinary grade silicone products?


To distinguish them, we should first understand them. Food-grade silicone products are made of food-grade silica gel. Food-grade silica gel is an inorganic macromolecule colloidal material condensed from silicic acid. It is non-toxic, odorless, transparent, stable in chemical properties, good flexibility, cold and high temperature resistance, strong water absorption ability, and no toxicity to human body. Side effect. Ordinary grade silica gel products are made of ordinary silica gel, which has a great odor. With the increase of time, yellowing or dark lines will occur.

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In this way, it is relatively easy for us to distinguish them. Food-grade silicone products can be pulled up without whitening, odorless or only with a slight odor. silicone product feel soft. The ash after burning is white, while ordinary-grade silicone products can be pulled up white, with a strong smell, and the ash after burning is black.

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Because of the different needs of different industries, the use of silicone products will also be different, not to mention that food-grade silicone must be better than ordinary silicone, they have their own advantages.