LSR – Liquid Silicone Rubber RTV – Room Temperature Vulcanized Silicone Rubber (Platinum Cure) RTV – Room Temperature Vulcanized Silicone Rubber (Tin Cure) SSR – Solid Silicone Rubber (HTV/HCR) Catalyst / vulcanization accelerator for Solid Silicone Rubber Silicone Mold Release agent / Mold Release Preparations