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Premium Runtai Solar Sealant for Ultimate Weatherproof Protection. UL Certified & RoHS Compliant: Passed UL safety certification and complies with RoHS & REACH regulations for safety. Strong Adhesion: Effective bonding to aluminum, glass, TPT/TPE backing, and junction box plastics. Fast Curing Speed: Forms a skin in 5-15 minutes and fully cures within 24 hours at room temperature. Customizable Colors: Available in Black and White colors to meet specific project requirements. OEM/ODM Support: Supports full customization from samples, designs, and minor adjustments. Low Odor & Solvent-Free: One-component RTV silicone with minimal odor and no solvents for safer application.