Sil-Glyde Lubricating Compound A longer-lasting, high film strength protective lubricant for all surfaces, including: rubber, metal, wood, glass, and plastic. will not melt, freeze, gum, or run off. Performs from -20 deg F to +400 deg F. Grease consistency stays put and will not drip off like silicone oils. Harmless to rubber and car finishes. Suggested applications: Trunk seals, rubber bumpers, speedometer cables, brake parts, window channels, hood strips and pads, rubber gaskets, and belts.