Qiaoben 9900 High Tack Waterproof Neutral Silicone Structural Adhesive. Neutral Curing Formula: Single-component, acetic acid-removing type suitable for sensitive environments without discoloration. High Tack & Waterproof: Excellent adhesion to aluminum, glass, and concrete with waterproof and weather-resistant properties. OEM & ODM Service: Customized formulation, private labeling, and packaging available for tailored product solutions. Free Sample Available: Free samples provided for risk-free testing before placing bulk orders. ISO Certified Quality: Manufactured under ISO 9001, ISO 45001, and ISO 14001 standards for consistent reliability. Fast Curing Rate: Cures quickly upon reacting with moisture, achieving 2.5mm depth in 24 hours. 12 Months Warranty: Comprehensive 12-month warranty coverage for peace of mind and quality assurance.