Waterproof and Weatherproof High Temperature Silicone Sealant. Neutral Curing Formula: One-part, neutral curing, no corrosives, safe for stone and concrete. Superior Adhesion: Excellent bond to glass, aluminum, ceramics, and building materials without primer. Mildew Proof: High-performance anti-mildew silicone designed for humid environments. Weather Resistant: UV, ozone, and extreme temperature resistant with excellent aging performance. OEM Service Available: Custom brand name production with provided logo and design. Free Samples: Free samples available; client pays delivery cost. 16 Years Experience: Professional supplier with over 16 years in silicone sealant manufacturing. ISO Certified: Certified with ISO9001, ISO14001, and BV standards.