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RHT® 40, 60, 80, 100, & 120 Industrial Boards

Roxul RHT® products are rigid stone wool industrial insulation boards.

Applications
Designed for use where high temperature, fire resistance, and moisture resistance are concerns:

  • Storage tank insulations
  • Drying/oven equipment
  • Petro-chemical and power generating equipment protection

Available in different densities and dimensions to meet various application requirements. See Technical Data and individual product specification sheets for details.

Properties:

  • Lightweight, but durable
  • Designed for high temperature applications
  • Good compressive resistance
  • Excellent fire resistance properties, non-combustible
  • Melting point of approximately 2150°F (1177°C)
  • Service temperature of 1200°F (650°C)
  • Water repellent yet vapor permeable material
  • Earns LEED® points – talk to Roxul’s LEED® Accredited Professional

Technical Data

Compliance and Performance:
ASTM C 612Stone Fiber Block and Board ThermalType IVB, Complies
MEA ApprovalInsulation New York City Approval333-97-M
City Of Los Angeles Approval RR 25444
Fire Performance:
ASTM E 136 Behavior of Materials at 750°C (1382°F) Non-Combustible
CAN4 S114Test for Non-CombustibilityNon-Combustible
ASTM E 84(UL 723)Surface Burning CharacteristicsFlame Spread = 0
Smoke Developed = 0
CAN/ULC S102Surface Burning CharacteristicsFlame Spread = 0
Smoke Developed = 0
Maximum Service Temperature:
ASTM C 411Hot Surface PerformanceIn Compliance with
ASTM C612 @ 1200°F(650°C)
Dimensional Stability:
ASTM C 356Linear Shrinkage<1% @ 1200°F (650°C)
Moisture Resistance:
ASTM C 1104Moisture Sorption
RHT®400.03%
RHT®600.01%
RHT®800.04%
RHT®1000.04%
RHT®1200.01%
Thermal Resistance:
ASTM C 518 (C 177) R-value/inch @ 75°F
RSI value/25.4 mm @ 24°C
4.0 hr.ft².F/Btu***
0.71 m²K/W
Density:
ASTM C 612-93 – Nominal ASTM C 612-00 - Actual
RHT®404.0 lbs/ft3 64 kg/m3 3.5 lbs/ft3 56 kg/m3
RHT®60 6.0 lbs/ft3 96 kg/m3 4.4 lbs/ft3 70 kg/m3
RHT®808.0 lbs/ft3 128 kg/m3 5.8 lbs/ft3 93 kg/m3
RHT®10010.0 lbs/ft3 160 kg/m3 7.6 lbs/ft3 122 kg/m3
RHT®120 12.0 lbs/ft3 192 kg/m38.6 lbs/ft3 137 kg/m3
Compressive Strength:
ASTM C 165at 10%:at 25%:
RHT®40 63 psf (3 kPa)146 psf (7kPa)
RHT®60 104 psf (5 kPa)230 psf (11 kPa)
RHT®80167 psf (8 kPa)334 psf (16 kPa )
RHT®100313 psf (15 kPa)626 psf (30 kPa)
RHT®120418 psf (20 kPa) 877 psf (42 kPa)
Corrosive Resistance:
ASTM C 665Corrosiveness to Steel Pass
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-I-24244 (all versions including B and C)
Conforms
Dimensions & Thicknesses:
Consult individual Tech Pages in the Technical Library
 For complete technical data, please consult our Technical Library.

Downloads

Sell Sheet/Product Brochure

Technical Data Sheet
40 PDF
60 PDF
80 PDF
100 PDF
120 PDF

Material Safety Data Sheet
PDF

Installation


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