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Nelson FSP Firestop Putty

Nelson FSP Firestop Putty

Description of Nelson FSP Firestop Putty

Part #: FR-NL-FSP
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Pre-mixed with a blend of organic and inorganic intumescent materials and ready to use with no additional mixing, Nelson FSP Firestop Putty will expand in extreme heat to seal voids from exposure to fire and smoke.

Because of the nature of this pliable fire protection putty, the FSP Fire stop can be installed with just your hands around pipes, cables and other duct work without special tools. This Nelson Fire-stop Putty will never harden making it reusable for ever changing cabling pass-throughs.

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1-2 week lead time if not in stock.


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Specifications


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Physical Properties
Color Tan
Density 0.049 lbs / in3
Consistency 7.00mm (Penetrometer)
Activation Temperature 500°F (260°C) Max.
Application Temperature 40°F (4°C) to 110°F (43°C)
Dielectric Strength >356 v/mil
STC Rating 54
Test Compliance
ASTM E84
Flame Spread - 5
Smoke Developed - 10
ASTM E90
ASTM E814 and UL 1479
ANSI / UL 263
NFPA 70
Approvals
Underwriters Laboratories, Inc "Fill, Void, or Cavity Material (XHHW)", FM, ABS, and USCG City of New Your, Department of Buildings
MEA 135-00-M
MEA 196-84-M Vol 3
Storage & Handling
Nelson FSP should be stored indoors. Long term storage temperature: 140°F (60° C) maximum. There is no indication of shelf-life limitations. Partially used bars should be re-wrapped in their original packaging before being stored.

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