CRC 20587-001 is a type of general purpose, multipurpose silicone sealant. It has excellent resistance to moisture and provides a weather resistance seal that is stable in extreme temperatures and remains flexible for long periods of time. This product is used for sealing gaps, cracks and crevices in various materials such as wood, metal, bricks, concrete, plastics, glass and fabrics. It is non-staining, non-slumping and remains elastic within the temperature range -50°C to +250°C.