Can silicone rubber have many colors? Is colored silica gel toxic?

Q: Can silicone rubber have many colors? Is colored silica gel toxic?

A: Silicone rubber is basically colorless. Silicone rubber is a non-toxic product, but in the production of silicone rubber, there are foggy and transparent due to different grades. For example, whether the sealing ring of pressure cooker, baby's pacifier and colored silicone rubber are poisonous depends on the quality of colored glue.