Technical Data
| Mechanical Properties | Results | Test Method |
|---|---|---|
| Density g/cc | 0.65 +/- 0.03 | ASTM D 1622 |
| Tensile strengh MPa | 18.3 | BS 2782 (Method 322) |
| Tensile strengh MPa | 30.0 | ISO 527 |
| Elongation at break % | 2.5 | ISO 527 |
| Modulus of Rupture MPa | 59.8 | BS 373 (3 point bending) |
| Elastic modulus Mpa | 2430 | BS 373 and BS 2782 (Method 335a) |
| Stress at proportional limit MPa | 50.5 | BS 373 |
| Flexural strength MPa | 59.8 | BS 2782 (Method 335a) |
| Compression strength MPa | 56.7 (parallel) | BS 373 and BS 2782 (Method 345a) |
| Compression strength MPa | 20.7 (perpendicular) | BS 373 and BS 2782 (Method 345a) |
| Spread of Flame (Class available) | 1,2,3 certification available | BS 476 (Part 7: 1987) Large scale surface spread of flame |
| Coefficient of thermal expansion | 4.94 x 10-5 /oC 2.74 x 10-5 /oF | ASTM D 696 (in/in/oC and in/in/oF) |
| Static Coefficient of Friction Dry | .069 | ASTM C 1028-96 |
| Static Coefficient of Friction Wet | 0.79 | ASTM C 1028-96 |
| Screw retention kN | 2.5 +/- 0.2 | BS 6984 1.5 inch No 6 screw 22mm depth |
| Nail retention kN | 0.88 | 2.5 x 38mm wire nail, 22mm depth |
| Impact strengh kJ/m2 | 0.85 | BS 373 (3 point) |
| Impact height M | 0.66 | BS 373 For 20 x 20, span 280mm, tup 3.3 lbs |
| Impact height M | 0.38 | BS 373 For 20 x 20, span 280mm, tup 4.4 kg |
| UV stability | Good | ASTM E383-B No change in mechanical strengh 375 MJ/m2 |
| Vicat softening point | 91 oC / 196 oF | ISO 306 |