OSI HM-270 10 Oz. Clear 100% Silicone Construction SealantOSI HM270 Construction Silicone Sealant is a medium modulus, one part RTV silicone sealant designed for glazing and sealing. It cures at room temperature upon exposure to moisture in the air providing good tensile strength and excellent adhesion, usually without the use of a primer, to most nonporous building materials. OSI HM270 easily withstands temperature extremes from 60 Deg. F to 400 Deg. F without adverse effects. It is highly resistant to
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OSI HM-270 10 Oz. Clear 100% Silicone Construction Sealant