Adhesive Glue Sp516 Neutral Silicone Sealant for Door&Window. Neutral Curing Formula: One-component neutral silicone sealant with strong bonding and displacement resistance. Excellent Weather Resistance: Resists UV, ozone, oxidation, and extreme temperatures without environmental pollution. Versatile Application: Ideal for sealing doors, windows, glass, tiles, and metal-aluminum alloy joints. High Compatibility: Works well with most building materials without undercoating and other silicone sealants. OEM Service Available: Custom branding and packaging options supported with 15 years of OEM experience. Waterproof Performance: Provides excellent water tightness and cold/heat resistance after curing. Flexible Packaging: Available in Cartridge, Sausage, and Barrel formats to suit different usage needs. ISO9001 Certified: Manufactured under ISO9001 quality standards with 100,000 MT annual capacity.