|
Property |
Unit of Test |
Performance |
Thermal |
Expansion |
Per K |
10 - 20 x 10 |
Conductivity |
W/M K |
0.5 - 1.0 |
Freeze thaw |
BS 4264 |
No Visible or Mechanical Change |
|
Din 278 |
No Visible or Mechanical Change |
|
ASTM C666.73 |
After 300 cycle + 20C relatively little change |
Fire |
Non Combustibility |
BS476 P+4 |
Non combustible |
Ignitability |
BS476 P+5 |
Class P (Not easily ignitable) |
Fire propagation |
BS476 P+6 |
Class O |
Spread of flame |
BS476 P+7 |
Class 1 (Zero spread) |
Fire resistance |
BS476 P+8 |
0 - 4 hours depending on construction |
Smoke |
ASTM SIP 4422-67 |
Dm = 2 - 6 negligible smoke production |
Moisture |
Water vapour |
Permeability |
BS 3177 |
Permeance less than 1.3 metric perms at 10mm thick |
Water Permeance |
BS 473/550 |
0.02 - 0.4ml/m2 min on 8mm thick |
Moisture absorption |
|
10 - 20% from oven dry to saturation |
Moisture movement |
|
0.15 - 0.2% from saturation to oven dry |
Acoustic Sound Absorpsion DB |
8mm sheet 23 DB at 125Hz |
40DB at 4000 Hz |
Absorption resistance |
ASTM C4 18 - 68 |
0.27 - 0.30cm3 volume loss. Lower loss than concrete, A/C sheet, or brick |
Safety |
Fibres in air |
Micron |
The fibre diameter is greater than 12 microns and is therefore well above the upper limit of respirability (3.5 microns diameter). Detailed medical information is available on request from Dynamic Support |