Owens Corning® Fiberglas™ Thermal Insulating Wool (TIW) Types I-HP and II-HP Insulations are off-white non-combustible wool with resilient, inorganic glass fibers bonded with a thermosetting resin.
Fiberglass Insulation
Types I-HP & II-HP Insulations
Fiberglas™ Thermal Insulating Wool (TIW)
Types I-HP & II-HP InsulationsSpecifications & Literature
Specifications & Literature
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Technical Information
Technical Information
Physical Properties
PROPERTY | TEST METHOD | VALUE |
Equipment Operating Temperature Range 2
| ASTM C411
| Up to 1,000°F (538°C) |
Nominal Density
| ASTM C167 | 1.0 pcf (16 kg/m3) |
Water Vapor Sorption | ASTM C1104 | < 2.0% by weight at 120°F (49°C), 95% R.H. |
Composite Surface Burning Characteristics | UL 723, ASTM E84 or CAN/ULC-S102 | 25 |
Standards Code Compliance
- ASTM C553, Mineral Fiber Blanket Thermal Insulation, Types I, II, V – TIW Type I-HP; all types – TIW Type II-HP when specifi cation Type VII is limited to 1,000°F maximum use temperature.
- ASTM C612, Mineral Fiber Block & Board Thermal Insulation, Types IA, II, III – TIW Type II-HP
- ASTM C795, Thermal Insulation for Use Over Austenitic Stainless Steel 4
- ASTM C1139, Fibrous Glass Thermal Insulation and Sound Absorbing Blanket and Board for Military Applications, Type 1, Grade 2 – TIW Type I-HP; Type 2, Grade 2 – TIW Type II-HP
- Mil. Spec. MIL-I-22023D (Ships), Insulation Felt, Thermal and Sound Absorbing Felt, Fibrous Glass, Flexible, Types 1 & 2, Class 3 – TIW Type I-HP
- Nuclear Regulatory Commission Guide 1.36, Non-Metallic Thermal Insulation 4
- U.S. Coast Guard Approval No. 164.109, Noncombustible Materials
- CAN/CGSB-51.11 – Type 1, Class 4 – Fiberglas™ TIW Types I-HP & II-HP Insulation
1. All values are approximate.
2. Maximum allowable thickness at 1,000°F (538°C): Type I-HP - 8.5" (216mm); Type II-HP - 6"(152mm).
3. The surface burning characteristics of these products have been determined in accordance with UL 723, ASTM E84 or CAN/ULC-S102. These should be used to measure and describe the properties of materials, products or assemblies in response to heat and flame under controlled laboratory conditions and should not be used to describe or appraise the fire hazard or fire risk of materials, products or assemblies under actual fire conditions. However, results of this test may be used as elements of a fire risk assessment which takes into account all of the factors which are pertinent to an assessment of the fire hazard of a particular end use. Values are reported to the nearest 5 rating.
4. Preproduction qualification testing complete and on file. Chemical analysis of each production lot testing required for total conformance.
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