PVC Panel High Strength Waterproof Neutral Silicone Adhesive Sealant. Neutral Curing Technology: One-component neutral curing silicone sealant for durable weather sealing. Excellent Weatherability: Designed for curtain walls and facades in areas with large temperature differences. Fast Surface Curing: Forms a durable seal quickly at room temperature by reacting with air moisture. High Elasticity: Features 210% elongation at break for flexible gap sealing. Multi-Color Options: Available in black, white, grey, and transparent colors. ISO9001 Certified: Manufactured under strict ISO9001 quality management standards. Long Shelf Life: Provides 9 months of stable storage life. OEM Service Available: Supports OEM branding and custom manufacturing requirements.