Butyl Sealant for Insulated Glass .High modulus, high strength. Characteristics 1. Two-part, adjustable cure rate, fast cure speed in deep part, suitable ... for applicationin factories.2. Neutral cure, non-corrosive to metal, coated glass, concrete, marbles, granite, andmany ... monthsfrom the date of manufacture as indicated onproduct packaging. Butyl Sealant for Insulated Glass