Manufactured with PTFE, this new H-1, NLGI # 3 silicone lubricant is compatible with most rubber and other non-silicone elastomers. Recommended for use on O-rings and seals on bottling, dairy, food processing and dispensing equipment, it is highly resistant to hot water, steam and alkaline solutions. *SYN ST High Performance H-1 Special is available in Tubes, Cartridges and Pails.