| Country |
Test Method |
Classification |
| France |
NFP 92-507 |
M1 |
| Germany |
lDIN 4102 |
B1 |
| UK |
BS 476 Part 7 |
Class 1Y |
| Australia |
AS 1530.3 |
1989 |
| Description |
Mean |
Std Error |
| Ignition |
N/A min |
N/A |
| Flame propagation |
N/A s |
N/A |
| Heat release integral |
N/AkJ/m2 |
N/A |
| Smoke release, log D |
-2.214 |
0.114 |
| Optical density D |
0.0071 /m |
|
| Regulatory indices |
Units |
Range |
| Ignitability |
0 |
0-20 |
| Spread of flame |
0 |
0-20 |
| Heat evolved |
0 |
0-20 |
| Smoke developed |
0 |
0-20 |
Physical, Optical and Thermal Properties
| PHYSICAL |
TEST METHOD |
VALUE |
UNIT |
| DIN |
ASTM |
ISO |
| Density |
53479 |
D 792 |
R 1183 |
1.2 |
g/cm³ |
| Water absorption in standard atmosphere |
53473 |
D 570 |
|
0.15 |
% |
| Water absorption in water equilibrium, 23°C |
53495: A |
|
62 |
0.35 |
% |
| Water permeability |
53122 |
|
|
<2.28 |
g/m² |
| Mould shrinkage |
16901 |
D 955 |
|
0.5-0.7 |
% |
| |
| OPTICAL |
| Transmittance |
D 1003 |
87-91 |
% |
| Haze |
D 1003 |
0.7-1.5 |
% |
| Refractive index (n?) |
53491 |
D 542 |
1.586 |
|
| |
| THERMAL |
| Heat distortion temperatures |
| Method B (0.45 MPa) annealed |
53461 |
D 648 |
75 |
145 |
°C |
| Method A (1.81 MPa) annealed |
53461 |
D 648 |
75 |
142 |
°C |
| Method A (1.81 MPa) unannealed |
53461 |
D 648 |
75 |
125 |
°C |
| Specific heat |
D2766 |
|
1.25 |
kJ / kg.K |
| Thermal conductivity |
52612 |
C 177 |
|
0.2 |
W/K.m |
| Coefficient of thermal expansion |
53752 |
D 696 |
|
68 |
m/m.Kx10² |
| Vicat softening point (B/50) |
53460 |
|
|
148 |
°C |
