... two-parts, neutral, room temperature cured silicone sealant for hollow glass. Characteristics 1. COST-2118 is two-parts, neutral, room ... used together with butyl rubber using in sealing cracks.3. No need for coating while use this silicone sealant, there ... being interfused, otherwise, the property for sealing of hollow glass willbe reduced. Main Technical DataAt the temperature of 23Centigrade,and ...