Bld- 4800 Aquarium Waterproof Sealant Silicone Adhesive. Customizable Color Options: Available in White, Black, Grey, and fully customizable colors to meet specific needs. Fast Curing Speed: Cures in 2-5 mm per day with tack-free time under 180 minutes. High Tensile Strength: Exceeds 0.63 MPa under standard conditions with 100% elongation at rupture. Excellent Weather Resistance: Superior aging resistance suitable for outdoor and harsh environmental conditions. Versatile Application: Ideal for aquariums, construction, woodwork, glass, aluminum, and ceramics. ODM and OEM Services: Professional R&D team supports custom formulas and private label branding. Multiple Certifications: Certified by ISO 9001, ISO 14001, ISO 50001, SGS, and TUV. Smooth Extrusion: Extrusion rate up to 1000 ml/min ensures easy and clean application.