High Tear Resistant NR40 Sheet:
The high tear-resistant NR40 sheet has superior resilience, tensile strength, tear-resistance and elongation characteristics. Due to these good physical characteristics, it is widely used as the abrasive rubber lining to resist fine grain size products.
Typical Physical Properties:
| Property | Test Standard | Value |
| Polymer Type | Natural Rubber | |
| Hardness (Shore A) | ISO 868:2003 | 40 +/- 5 |
| Tensile strength (Mpa) | ISO 37:2017 | ≥22 |
| Elongation at break (%) | ISO 37:2017 | ≥700 |
| Tear Resistance (N/mm) | ISO 34-1:2015 | ≥60 |
| Abrasion Resistance at 5N (mm³) | ISO 4649:2017 | ≤60 |
| Density (g/cm³) | 1.05 +/- 0.05 | |
| Compression Set after 22h at 70℃ (%) | ISO 815-1:2014 | ≤30 |
| Operating Temperature (℃) | -40℃ to 80℃ |
Ageing:
| Property | Test Standard | Value |
| Hardness change after 168h at 70℃ (Shore A) | ASTM D573-04(10) | ≤5 |
| Tensile strength change after 168h at 70℃ (%) | ASTM D573-04(10) | ≤-15 |
| Elongation at break change change after 168h at 70℃ (%) | ASTM D573-04(10) | ≤-25 |
Available Size:
Thickness: 1-30mm
Width: 0.9-2m
Length: 1-20m
Available Colour:
Red, Gray, Green, Brown
Available Surface:
Smooth, Fabric Impression
