Sv777 High Modulus, UV&Weather Resistance, Low Contamination, Neutral Elastomer Stone Silicone Sealant for Concrete&Ceramic. High Modulus & UV Resistance: Features high modulus and excellent resistance to UV radiation for long-term durability. Neutral Curing System: Odorless and non-corrosive cure system safe for sensitive materials like natural stone. Excellent Weatherability: Superior performance against weather elements ensuring lasting waterproof sealing. Wide Substrate Adhesion: Excellent unprimed adhesion to stone, glass, metal, and ceramic without primers. High Elastic Recovery: Elastic recovery greater than 90% ensures joints remain sealed under movement. Low Contamination: Designed to prevent contamination on sensitive surfaces like marble and stone. Customized Packaging: Available in cartridges or sausages with OEM options for specific volume requests.