| Technical Specification - Performance |
| Density |
900kg/m3 (+/-10%) |
Weight
|
9mm 8.9 kg/m2 |
| Standard size |
2400 x 1200mm |
| Surface alkalinity |
PH 7-10 |
| Flexural strength (along grain) |
6.0 MPa |
| Flexural strength (across grain) |
9.5 MPa |
| Moisture movement (ambient to saturated) |
0.05% |
| Moisture content |
Ex works - 15%
In situ - 6% |
| Thermal conductivity |
0.13 W/mK |
| Thermal movement |
9 x 10-6 m/m C |
| Heat of Combustion |
BS EN ISO 1716: 2002 |
| Building regulations classification |
Euro Class A1 |
| Fire rating to BS 476: Part 20-24, EN1363 and GB/T 9978 |
240 minutes |
| Non-combustible test to AS 1530.1, BS 476 Part 4, EN ISO 1182 & GB8624 Grade A |
Pass |
| Surface spread of flame to BS 476 Part 7 |
Class 1 |
| Fire propagation test to BS 476 Part 6 |
Class 0 |
| Test for ignitability to BS 476 Part 5 |
Class P |
| Minimum bending radius |
Along grain
7200mm for 9mm |
| Sound attenuation |
38dB for 9mm board |
Acoustic reduction (over range 100-3150 Hz)
99mm thick partitions
105mm thick partitions |
Average 22dB
Rw 46dB
Rw 49dB |
