Item | Standard | 200±5kg/m³ | 100±5kg/m³ | 66±5kg/m³ |
Hardness | | LXD(Shore hardness) | 55-70 | 35-50 | 30-40 |
Tensile strength(kg/cm²) | Crosswise | GB/T6344-ISO 1798 | 13 | 8 | 6 |
| Lengthways | GB/T6344-ISO 1798 | 16 | 10 | 7 |
Extensibility(%) | Crosswise | GB/T6344-ISO 1798 | 160 | 130 | 120 |
| Lengthways | GB/T6344-ISO 1798 | 140 | 120 | 110 |
Tear strength(kg/cm²) | Crosswise | GB108108 | 11 | 5.5 | 3 |
| Lengthways | GB108108 | 10 | 5 | 2.8 |
Shrinkage(%) | Crosswise | 80°C*1Hr | <+1.0 | <+1.0 | <+1.0 |
| Lengthways | 80°C*1Hr | <-2.0 | <-2.0 | <-2.0 |
compression strength(kg/cm²) | | GB8813 | 2.9 | 1.3 | 0.086 |
pyroconductivity(W/mk) | | GB/T3399-ISO8302 | 0.042 | 0.038 | 0.035 |
pyroconductivity(W/mk) | | GB8810 | <0.002 | <0.002 | <0.002 |
Item | Standard | 50±5kg/m³ | 40±5kg/m³ | 33±5kg/m³ | 28±5kg/m³ |
Hardness | | LXD(Shore hardness) | 25-30 | 20-25 | 17-25 | 15-20 |
Tensile strength(kg/cm²) | Crosswise | GB/T6344-ISO 1798 | 4 | 3 | 2.5 | 2.2 |
| Lengthways | GB/T6344-ISO 1798 | 5 | 3.8 | 3.5 | 3.3 |
Extensibility(%) | Crosswise | GB/T6344-ISO 1798 | 110 | 100 | 90 | 80 |
| Lengthways | GB/T6344-ISO 1798 | 100 | 90 | 80 | 70 |
Tear strength(kg/cm²) | Crosswise | GB108108 | 2 | 2.2 | 1.8 | 1.6 |
| Lengthways | GB108108 | 1.8 | 2 | 1.6 | 1.4 |
Shrinkage(%) | Crosswise | 80°C*1Hr | <+1.0 | <+1.0 | <+1.0 | <+1.0 |
| Lengthways | 80°C*1Hr | <-2.0 | <-2.0 | <-2.0 | <-2.0 |
compression strength(kg/cm²) | | GB8813 | 0.58 | 0.48 | 0.42 | 0.38 |
pyroconductivity(W/mk) | | GB/T3399-ISO8302 | 0.034 | 0.033 | 0.032 | 0.031 |
pyroconductivity(W/mk) | | GB8810 | <0.002 | <0.002 | <0.002 | <0.002 |
Foam polyethylene
1.Light weight,good elasticity
2.Strong chemical resistance
3.Sound absorption
4.Heat isolation