Application of RTV2 Footcare Liquid Silicone For Shoe Insoles Making: Footcare Liquid Silicone OTT-X705 is widely used for Silicon Insole, Silicone Gel Toe Spreaders, Silicone Gel Arch Supports, Silicone Gel Metatarsal Pad, silicon pads, Silicone Gel Heel Cups, etc. Storage and Precautions of RTV2 Footcare Liquid Silicone For Shoe Insoles Making: silicone rubber liquid is an environmentally-friendly liquid silicone product, is not easy to burn and can be stored and transported as non-hazardous goods. The shelf life of the product is about one year from the date of production. Inspection is required when exceeding the time limited. It can continue to be used in case of neither thickening nor deterioration.