Unbacked Insulation Mattress (Type C)
Standard Rockwool insulation mattress without wire mesh backing. Highly flexible and ideal for wrapping around uneven or curved surfaces where heavy-duty mechanical fastening is not required. Sold per mattress.
Dimensions (L x W): 5000mm x 1200mm
Technical Data
| Specification | Value |
|---|---|
| Product name | Unbacked Insulation Mattress |
| Manufacturing specification | BS3958 Part 3 & ASTM C592-97 |
| Base material | Basaltic rock mix |
| Physical | Unbacked fibrous blanket |
| Binder | Phenol based thermosetting binder |
| Binder content | ± 2.5% |
| Effective fibre diameter | ± 6 µm |
| Thermal conductivity (35°C) | 0.036 W/mK |
| Recommended operating temperature | < 750°C |
| Fire classification | Non-combustible (A1) |
| Mass density classification | ± 15% |
| Dimensional tolerance | < 5% |
| Total shot content | ± 30% |
| Packaging | Shrink-wrapped polyethylene |
