... 2118 is two-parts, neutral, room temperature cured silicone sealant for hollow glass. Characteristics 1. COST-2118 ... is two-parts, neutral, room temperature cured silicone sealant for hollow glass,which does not pollute the ... .3. No need for coating while use this silicone sealant, there is good adhesion to a large ... , in dry and cool place. COST-2118 Silicone Sealant for Hollow Glass(RTV-2)