Waterproof 100% Silicone Adhesive Sealant for Building/Window Engineering. 100% Waterproof Seal: Single-component silicone polymer provides an impenetrable waterproof barrier for long-lasting protection. UV & Weather Resistant: Outstanding resistance to UV rays, ozone, and harsh climates ensures the seal remains intact for years. Primerless Adhesion: Forms a strong, lasting bond with most building materials without the need for a primer, saving time. Versatile Applications: Ideal for doors, windows, glass walls, aluminum panels, kitchens, bathrooms, and outdoor structures. Professional Manufacturer: Produced by SANZENG, a large manufacturer with over 120,000 metric tons annual capacity and 16 production lines. Customization Options: OEM and ODM services available with customization from samples, designs, or full customization. Quality Assurance: 100% visual and function inspection for finished products with traceability of raw materials.