These wrap strips from Specified Technology Inc. protect and prevent the spread of smoke and flames within through-ways. With an expansion of 24x, it seals cavities in floors, walls, or ceilings completely.
|Thickness||3⁄16" (4.8 mm)|
|Expansion Begins||1st Stage 250°F (121°C), 2nd Stage 350°F (177°C)|
|Volume Expansion||20x to 30x|
|Mold & Fungus Growth Rating (ASTM G21)||0|
|In service temperature||less than 130°F (54°C)|
|Storage Temperature||Less than 130°F (54°C)|
|Shelf Life||No limit|