Non-Yellowing Resistance Customization Single Component Neutral Cure Silicone Sealant. Non-Yellowing Resistance: Robust UV-blocking and ozone-resistant characteristics ensure the seal remains 100% waterproof and structurally sound over decades. Single-Component Convenience: Ready-to-use 1-part format eliminates messy mixing, featuring superior thixotropy and consistent extrudability. No Primer Required: Achieves heavy-duty bonding on most standard building substrates without the extra cost or effort of applying a chemical primer. Versatile Applications: Ideal for fenestration, masonry, glazing, sanitary fittings, and wet zones, blocking moisture and air infiltration. High Production Capacity: Annual comprehensive production capacity of over 120,000 metric tons with 16 automated production lines. Flexible Customization: Offers OEM/ODM services, full customization, and minor customization options to meet specific client needs. Professional Manufacturer: SANZENG is a large manufacturer in China with a 100,000 sqm base and strict QA/QC inspection systems.