P H Y S I C A L P R O P E R T I E S
| Thickness |
4.5mm, 6mm, 9mm, 12mm |
| Width |
1220mm |
| Length |
2440mm standard length. Other
dimensions are available upon request. |
| Nominal Weight |
4.5mm |
7.50kg/m² |
| |
6mm |
10.50kg/m² |
| |
9mm |
15.80kg/m² |
| |
12mm |
21.10kg/m² |
| Nominal Density |
1250kg/m³ |
| Tolerance |
Length |
-1mm, -3mm |
| |
Width |
-1mm, -3mm |
| |
Thickness |
+/-0.5mm |
| Hydric Movement |
Length |
<1.00mm/m |
| Normal Saturated |
Width |
<1.00mm/m |
| Effect Of Moisture |
Water tightness to BS 6424: Part 15: 1981 |
Watertight |
| |
Water vapour permeability |
3.80gm/GN |
| |
Saturated water absorption |
25% |
| Moisture Content |
5% |
| Water Absorption Oven dry to fully saturated |
<40% |
| Bending Strength |
Length |
12N/mm² |
| Oven dry |
Width |
9N/mm² |
| |
Width/Length ratio |
0.75% |
| Bending Modulus |
Length |
9500N/mm² |
| Oven dry |
Width |
7900N/mm² |
| Compressive Strength |
34.50N/mm² |
| Delamination Strength |
1.10N/mm² |
| Flexural Strength |
Dry |
32Mpa |
| |
Wet |
17Mpa |
| Thermal Movement |
Length |
6.10m/m°C |
| 100~25°C x 10-6 |
Width |
3.80m/m°C |
| Thermal Conductivity |
25~52°C |
0.25W/m.K |
| |
20~300°C |
0.26W/m.K |
| |
20~500°C |
0.27W/m.K |
| |
20~700°C |
0.28W/m.K |
| |
20~900°C |
0.29W/m.K |
| Thermal Shrinkage |
Thickness |
7.50% |
| 4hr/950°C |
Width |
4.31% |
| |
Length |
3.95% |
| |
Weight loss |
14.50% |
| Non-combustibility |
BS 476: Part 4: 1970 |
Non-combustible |
| Fire Performance |
Building Regulations classification |
Class 0 |
| |
Surface spread of flame to BS 476: Part 7: 1971 |
Class 1 |
| |
Heat emission test to BS 476: Part 11: 1982 |
Limited combustibility |
| Alkalinity |
11pH |
Weathering
|
Artificial weatherometer test deterioration
after 1000 tested hours to saturation in accordance with the
criteria of BS 3900: Part F3: 1971 |
No deterioration for
undecorated board |
This document has no statutory authority. The information above and within this document is given in good faith, however, Intumex Asia
Pacific can accept no responsibility for omissions or errors in content or interpretation. In all cases, Building Regulations and
approved documents as well as local fire authorities and insurers must be consulted as appropriate. Intumex Asia Pacific reserves the
right to alter products and specifications without prior notice.
|
