1. Food-grade silicone is a kind of environmental silica gel, non-toxic, odorless, high transparency;
2. Soft, good elasticity, resistance to kink deformation;
3. No cracking, long service life, cold and high temperature resistance;
4. Has a higher tear strength and superior electrical properties;
5. It is not yellow at room temperature, does not bloom, does not spit white, does not fade, leaving no water in the water for a long time, no smell.