Certificated by CE. We are manufacturer. Preliminary A+B (400g /set)Composition: vinyl polysiloxane, silica, food class fillings, Pt catalyst.The product has supreme restoration property, thixotropic property, shape stability, and hydrophilicity, with no offensive smell.The silicone of addition type has two kinds-putty and wash which are both used clinically with one-step and two-step method ...