- Glass Wool
Flexible Duct Insulation
-
High degree of
flexibility
-
Allows ducting around obstacles
-
Lightweight
-
Easy to
install
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Compressible
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Strong, Dimensionally stable
-
Offered in
both insulated and uninsulated
form
Range
- Density (for insulated FD) : 16 to 32 kg/m3
- Diameter : 4 to 20 inch
- Length : 10 to 25 ft
- Thickness of Insulation, for Insulated FD : 25 mm
Inner Core
- Double laminated film on coated tough steel wire helix
Outer Jacket
- Alu or Met foil with fiberglass yarn reinforcement
- Acts as vapour barrier
- Tear and abuse resistant
Basic Information
| Make / Brand | Twigainsul |
| Material | Resin bonded glass wool |
Product Performing Criteria
| Parameter | Values | Standards |
|---|---|---|
| Thermal Conductivity (W/m.K) |
0.032 to 0.039 at 25oC mean temperature (for glass wool) | |
| Thermal Resistance (m2 K/W) |
0.64 to 0.78 (of insulation) |
General Material Properties
| Parameter | Values | Standards |
|---|---|---|
| Temperature Range | 0 to 90 oC | |
| Fire Rating | Non-combustible glass wool care | BS 476 Part 4, IS 8183 |
| Moisture content | Less than 2% | IS 3144, IS 8183 |
| Shot content | NIL | IS 3144, IS 8183 |
| Sulphur / Chloride | NIL | IS 3144, IS 8183 |
| Mold growth | None | IS 3144, IS 8183 |
| Alkalinity | pH 7 to 10 | IS 8183 |
Certifications and Approvals
| Environment | Fire | Health Safety | Standards Compliance |
|---|---|---|---|
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