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Industrial Rubber Sheet
NR (Natural Gum) Rubber Sheet
Description
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. This NR rubber sheet is also cut to different industrial gaskets, sealing stipsand O ring.
|
Polymer Type |
Natural Gum Rubber |
Ageing |
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|
Hardness (Shore A) |
ISO 868:2003 |
40 +/-5 |
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Tensile strength (Mpa) |
ISO 37:2017 |
≥15 |
|
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Elongation at break (%) |
ISO 37:2017 |
≥700 |
|
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Tear Resistance (N/mm) |
ISO 34-1:2015 |
≥60 |
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Abrasion Resistance at 5N (mm³) |
ISO 4649:2017 |
≤60 |
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Density (g/cm³) |
1.05 +/-0.05 |
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Compression Set after 22h at 70℃(%) |
ISO 815-1:2014 |
≤30 |
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Operating Temperature (℃) |
-40℃to 80℃ |
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Hardness change after 168h at 70℃(Shore A) |
ASTM D573-04(10) |
≤5 |
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Tensile strength change after 168h at 70℃(%) |
ASTM D573-04(10) |
≤-15 |
|
|
Elongation at break change changeafter 168h at 70℃(%) |
ASTM D573-04(10) |
≤-25 |
|
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