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Brick Dimension |
23cm x 11cm x 8cm |
| Minimum quantity of water absorption |
1.9kg |
| Maximum quantity of water absorption |
in excess of 2.0kg |
| Water absorption rate |
± 60 seconds |
| Water leakage |
no drippings after ± 10secs |
| Density |
1.6lg/ft3 or 25.6kg/m3 |
| Other properties |
non-combustible and CFC free |
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Physical Properties |
Unit |
Typical Value |
Density |
kg/m3 |
40 |
Compressive Strength |
Parallel to rise |
kPa |
172 |
Perpendicular to rise |
kPa |
84 |
Tensile Strength |
Parallel to rise |
kPa |
210 |
Perpendicular to rise |
kPa |
150 |
Cross Break Strength |
Parallel to rise |
kPa |
210 |
Perpendicular to rise |
kPa |
140 |
Thermal Conductivity at 10ºC |
W/mK |
0.018 |
Closed Cell Content |
% |
90(minimum) |
Moisture Vapour Transmission |
µgm/Nh |
10 |
Water Absorption (To ISO2896) |
% |
5 |
Temperature Limit |
ºC |
-180 to 120 |
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BS 476 part 5 |
Class P not easily ignitable |
BS 476 part 6 |
Fire propagation I<12, i<6 |
BS 476 part 7 |
Surface spread of Flame Class 1 |
| The properties above meets the Class 'O' requirements of the Building Regulations. |
Oxygen Index |
45% |
Smoke Obscuration (To BS 5111) |
Negligible |
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