Specifications:
Properties | QSRB7.5 | QSRB10 | QSRB15 | QSEL80 | QSEL100 | Unit | Standard |
Compressive strength (Perpendicular to surface) | ≥40 | ≥60 | ≥80 | – | – | kPa | GB/T 13480 |
Compressive strength (Parallell to fiber) | – | – | – | 80 | 100 | kPa | GB/T 13480 |
Tensie strenght(Perpendicular to fiber) | ≥7.5 | ≥10 | ≥15 | – | – | kPa | JG149-2003 |
Tensie strenght(Parallel to fiber) | – | – | – | 150 | 200 | kPa | JG149-2003 |
Thermal conductivity(Average temperature 25°C) | ≤0.040 | ≤0.040 | W(M.K) | GB/T 10295 | |||
Fire performance | Non-combustible | – | GB/T 8624-2012 | ||||
Acidity coefficient | ≥1.8 | – | GB/T 5480 | ||||
Water repellence rate | ≥99 | % | GB/T 10299 | ||||
Water absorption(Partial immerson) | <0.5 | KG/M2 | GB/T 25975-2010 Appendix B | ||||
Moisture absorption rate by weight | <0.5 | % | GB/T 5480 | ||||
Moisture resistance factor μ | Approximately is 1.5 | – | GB/T 17146 | ||||
Noise reduction coefficient(NRC) | ≥0.6 | – | GB/T18696.1 | ||||
Dimensional stability | ≤0.5 | % | GB/T8811 | ||||
Melting point | ≥1000 | oC | DIN4102-17 | ||||
Thickness deviation | ±3 | MM | GB/T 5480 | ||||
Squareness | ≤5 | MM/M | GB/T 5480 | ||||
Flatness | ≤5 | MM | GB/T 25975-2010 Appendix A |