Qiaoben 9900 Neutral Silicone Structural Sealant. Neutral Curing System: Features a neutral curing mechanism suitable for structural bonding applications. Multi-Color Options: Available in Clear, White, Black, and customizable colors to match project needs. 10 Years Warranty: Comprehensive 10-year warranty coverage provided for product quality assurance. Fast Delivery: Standard delivery within 14 days for most orders. OEM/ODM Services: Full customization, design-based, and sample-based customization services available. High Quality Control: Five times quality checks performed before delivery to ensure product reliability. Waterproof & Weatherproof: Designed with anti-aging and weatherproof properties for durable performance. 100% Silicone Material: Main raw material is 100% silicone ensuring high purity and performance.