665 Church Street
Whitinsville, MA 01588
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82 Worcester Street
North Grafton, MA 01536
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476 Oak St. Indian
Orchard MA, 01151
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Whitinsville
We formulated 3M™ fire barrier watertight sealant 1000 NS as a single component, neutral cure, silicone sealant. This ready-to-use sealant cures upon exposure to atmospheric humidity to form a flexible firestop seal that helps control the spread of fire, smoke and noxious gases before, during and after exposure to fire. When properly installed, this watertight sealant provides up to 3 hrs protection in tested and listed systems and meets UL water leakage test, W Rating - Class 1 requirements for systems tested and listed in accordance with ANSI/UL 1479. We designed this non-slump firestop sealant as a re-enterable and repairable solution primarily used on vertical surfaces.
Product Details
Manufacturer: 3M
Manufacturer's Part Number: 1000 NS
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| Application Method | Caulk Gun |
| Color | Light Gray |
| Compositions | Calcium Carbonate, Poly(Dimethyl siloxane), Siloxanes, Silicones, Di-Me, Hydroxy-Terminated, Ketoxime Silane, Amorphous Silica, (Trimethoxysilylpropyl)Ethylene diamine, Octamethylcyclotetrasiloxane, Quartz Silica |
| Container Type | Cartridge |
| Flash Point | >212 deg F |
| Form | Paste |
| Net Content | 10.1 oz |
| Odor/Scent | Low |
| Specific Gravity | 1.31 to 1.33 |
| Tensile Strength | 80 psi |
| Type | Watertight |
| VOC Content | <250 g/L |
| Specification Sheet | Click here to download |