How to judge whether the material of silica gel product has reached food grade?

With the deepening of the understanding of silicone products, silicone products are also loved by most consumers. In the choice of a lot of household goods, will give priority to silicone materials, such as silicone baby bowl, baby spoon and so on. Under normal circumstances, these silicone products should be food-grade silicone products, so as to ensure that in the process of consumer use, will not cause adverse effects on the human body. So, if you want to customize silicone products, how to determine whether the material of silicone products has reached food grade?

Food grade silicone products are non-toxic and odorless, high transparency, stable chemical properties, soft, good elasticity, cold resistance, high temperature resistance, strong water absorption, no toxic side effects on human body, burning ash is white. Ordinary silicone products use ordinary silicone, have a great smell, with the growth of time will appear yellow or dark particles and other phenomena, burning ash is black.

According to the requirements of the United States FDA, silicone products exposed to food must meet the following three conditions:

1. Do not release components that are dangerous to human health. This requires that the product itself does not contain toxic substances, and that the product has sufficient stable chemical properties and will not be naturally oxidized and corroded.

2. Can not lead to unacceptable changes in food ingredients. The product can not react with the contact, and the composition of the product itself can not change because of the contact with the food.

3. Can not reduce the sensory characteristics of food (make food taste, smell, color and other changes.