2, crushing method: destruction by mechanical means, crushed into small particles or powder. This method is suitable for silicone products in small quantities and no pollutants. Silicone material can be crushed using professional crushing equipment, can also be crushed by hand and other ways.
3, chemical methods: commonly used is the aluminum oxide method and sodium oxide method. Mixing and reacting silica gel with chemicals can decompose silica gel into harmless substances such as silica.