... Union Feature 1.100% silicon rubber of the silicone ice tools;2.Soft, smooth,stain-free and waterproof;3.It ... to replace, in the application has the following advantages:(1) non-toxic, odorless, chemically stable, insoluble in any solvents and ... structure, high mechanical strength, good wear resistance.(4) non-deliquescent, non-corrosive and non-soluble in water features, even full of water absorption ...