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General Product Information

Firwin 8Lb Mineral Fibre Board are made from basalt rock and slag. The combination results in a non- combustible product with a melting point of approx. 2150ºF [1177ºC] which gives excellent fire resistance properties. Firwin mineral fibre is water repellant yet water vapour permeable.

Description & Common Applications

This product is a non-combustible, rigid mineral wool insulation board that is lightweight, water repellent and designed for high temperature applications where durability and compressive resistance is required. Common applications include protection where high temperature, fire resistance and moisture resistance are concerns.
Unit of Measure

Specifications

Applications

 N/A
  • Easy to install
  • Service temperature 1200ºF (650ºC)
  • Non-combustible
  • Can be fabricated/laminated
  • Low moisture sorption
  • Good compressive resistance
  • Non-corrosive
  • Chemically inert
  • CFC and HCFC free product and process
  • Made from natural & recycled materials

Facings

 N/A This product can be faced with reinforced foil, ASJ and glass mat facings. Please note that the facings will influence the product's service temperature range.

Compressive Strength

 N/A ASTM C 165 at 10%: 167psf(8kPa) at 25%: 334 psf (16kPa)

Density

 N/A
ASTM C 612-93 - Nominal - 8.0 lbs/ft3 128 kg/m3
ASTM C 612-00 - Actual -
1" thickness 7.4 lbs/ft3 118 kg/m3
≥ 1.5" thickness 5.9 lbs/ft3 94 kg/m3

Compliance and Performance

N/A

ASTM C 612 Mineral Fiber Block and Board Thermal Insulation Type IVB, Complies
CAN/CGSB 51.10-92 Mineral Fibre Board Thermal Insulation Type 1, Class 4
MEA Approval New York City Approval 332-97-M
City Of Los Angeles Approval R 25444
UL Design Nos. CW-S-1008,1009,1012,1014, 2004, 2005,
2007,2009, Hour 2010, 2011, 2012, 2015,
2016,2017,2018, 2019, 2020, 2024, 2026,
2027, 2028, 2029, 2030, 2031, 2032, 2037,
2038, 2042, 2043, 2053, 2054, 2055, 2056,
2057 CW-D-2007, 2014, 2015, 2016, 2017,
2018, 2019, 2025, 2026, 2027, 2028, 2029,
2030, 2031, 2032, 2033, 2034, 2035		 2 Hour Integrity Rating

Fire Performance

N/A

ASTM E 136 Behavior of Materials at 1382ºF(750ºC) Non-Combustible
CAN4S114 Test for Non-Combustibility Non-Combustible
ASTM E 84(UL 723) Surface Burning Characteristics Flame Spread = 0
Smoke Developed = 0
CAN/ULC S102 Surface Burning Characteristics Flame Spread = 0
Smoke Developed = 0

Maximum Service Temperature

N/A

ASTM C 411 Hot Surface Performance In Compliance with ASTM C612 @ 1200ºF (650ºC)

Dimensional Stability

N/A

ASTM C 356 Linear Shrinkage < 1 % @ 1200ºF (650ºC)

Moisture Resistance

N/A

ASTM C 1104 Moisture Sorption < 0.04%

Corrosion Resistance

N/A

ASTM C 665 Corrosiveness to Steel Passed
ASTM C 795* Stainless Steel Stress Corrosion Specification as per Test Methods C871 and C692: U.S. Nuclear Regulatory Commission, Reg. Guide #1.36: U.S. Military Specifications MIL-l-24244 (all versions including B and C) Conforms

*Provisions for lot testing may be required, consult manufacturer.

Acoustical Performance

N/A

ASTM C 423
CO-EFFICIENTS AT FREQUENCIES
Thickness 125 250 500 1000 2000 4000 NRC
Hz Hz Hz Hz Hz Hz
1.5" 0.17 0.58 1.06 1.07 1 0.99 0.95
2.0" 0.39 0.84 1.08 1.01 1.02 1.01 1
3.0" 0.68 0.92 1.08 1.03 1.03 1.03 1.1
4.0" 1 0.95 1.06 1.04 1.06 1.08 1.05

Thermal Resistance

N/A

ASTM C 518 (C 177) R-value/inch @ 75ºF 4.2 hr.ft².F/Btu
RSI value/25.4 mm @ 24ºC 0.75 m²K/W

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