Acetoxy dual-cure silicone sealant paste with deep light cure capability, UV and visible, with a secondary moisture cure mechanism for shadow curing.LOCTITE SI 5033 is a light yellow, translucent, fluorescent, thixotropic, non-sagging, acetoxy dual-cure silicone sealant paste with deep light cure capability, UV and visible, combined with a secondary moisture cure mechanism for shadow curing. Upon exposure to sufficient UV light, visible light or atmospheric moisture, it forms a high strength rubber for gasketing and sealing applications.