Excellcnet Weatherproof High Quality Natural Cure Silicone Sealant. Neutral Curing Formula: Non-corrosive to stone, concrete, and structural materials; no pollution. Customized Color Options: Available in clear color with customized color options to meet specific needs. Excellent Weather Resistance: Superior tensile and compression resilience with aging performance. Fast Curing Speed: Quick drying time allows painting after approximately 30 minutes. Strong Adhesion: Excellent bonding to glass, aluminum, ceramics, marble, and cement. Environmental Safety: Non-toxic, tasteless, solvent-free, and mildew proof. Versatile Application: Suitable for aquariums, gas piping, plumbing, and fire fighting pipelines. OEM Service Available: Custom brand name production with logo and design provided by client.