9900 Sealant Waterproof, Outdoor Silicone Sealant for Roof & Wall Cracks, Flexible Tear Resistant Weatherproof Caulk, Heat Resistant Neutral Structural Adhesive for Indoor Outdoor Use

Features: 1. High flexibility with excellent tear and stretch resistance for reliable performance in extreme conditions2. Permanent waterproof and heat resistant protection suitable for indoor and outdoor sealing3. Smooth professional-grade application for bubble-free and clean finishSpecifications: Name: 9900 Sealant WaterproofType: Neutral Silicone CaulkWeight: 750gDensity: 1.5 g/cm³Tensile Strength: 1.45 MPaElongation: 186%Shear Strength: 38 MPaCuring Condition: Room TemperatureCuring Time: 2–3 daysShelf Life: 12 monthsColors: White, Black, TransparentApplications: Bonding, Sealing, Edge Finishing, CaulkingPackage Includes: 1/2/3 pcs 9900 Sealant Waterproof

• Extreme Flexibility & Tear Resistance: Specially engineered to handle stretching, pulling, vibration, and temperature fluctuations, this sealant stays elastic and crack-free for long-term reliability
• Permanent Waterproof & Heat Protection: Delivers outstanding resistance to water, UV rays, and extreme temperatures, forming a waterproof barrier for roofs, gutters, curtain walls, and more
• Smooth & Professional Finish: Easy to apply with even extrusion, this multipurpose silicone caulk creates a bubble-free, clean surface without air holes or rough edges, ensuring a neat result
• Multiple Color Options: Available in white, black, and transparent finishes, this sealant blends seamlessly with tiles, stone, concrete, or metal, maintaining aesthetics while providing strong protection
• Versatile Application Range: Ideal for sealing and bonding aluminum panels, skylights, glass curtain walls, tile joints, stone gaps, sunroom frames, and various indoor or outdoor construction projects