OSI 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 to 400 deg F without adverse effects. It is highly resistant to ultraviolet light and is virtually unaffected by other harsh environmental elements. OSI HM270 offers superior elasticity and long-life reliability. It forms a permanent watertight and weatherproof bond to materials like glass, ceramics, aluminum, primed steel and some plastics.
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Features
- For non-porous materials
- Water-resistant and weatherproof
- Permanently flexible, +/-25% joint movement
- Easy extrusion in any weather
Specifications
Applicable Materials : Â Aluminum Ceramic Glass Plastic Primed Steel
Application Method : Â Caulking Gun
Application Temperature : Â -60 to 400Â deg F
Color : Â Clear
Compositions : Â Silicon Dioxide Distillates (Petroleum) Hydrotreated Middle Methylsilanetriyl Triacetate Triacetoxyethylsilane Acetic Acid
Container Type : Â Cartridge
Coverage Area : Â 31Â ft
Curing Time : Â 24Â hr
Density : Â Heavier Than Air
Dry to Touch : Â 25Â min
Net Content : Â 10Â fl-oz
Odor/Scent : Â Acetic Acid
Resists : Â Water Weathering
