Fast Curing and Easy Cleanup: The 9900 Waterproof Sealant cures quickly to form a tough, elastic barrier that resists dirt while allowing easy tool cleanup, speeding up project completion. Heat and Weather Resistant: Engineered to withstand extreme temperatures and harsh weather conditions, this waterproof silicone sealant maintains durability without cracking or peeling under heat or cold. Flexible Tear and Stretch Resistance: This silicone sealant features excellent elasticity, allowing it to stretch and recover without tearing, ensuring long-lasting protection on surfaces subject to movement or vibration. Easy Application and Strong Adhesion: The 9900 Waterproof Sealant applies smoothly with good tackiness, bonding firmly to a variety of materials such as metal, concrete, wood, and plastic for versatile repair solutions. Superior Waterproofing: The 9900 Sealant Waterproof provides exceptional water resistance, effectively sealing roof and wall cracks to prevents leaks and moisture damage, ideal for both indoor and outdoor use., Weight: 1.763698096 pounds, Manufacturer: Hbbgdiy_A69_5632482