| Customization: | Available |
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| Material: | Rubber |
| Feature: | Oil-Resistant, Acid And Alkali Resistant, Tear-Resistant, Heat-Resistant, Cold-Resistant, Wear-Resistant |
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Item |
Tensile Strength /Mpa ≥ |
Elongation at break /% ≥ |
Abrasion /mm3 ≤ |
Hardness /(°) 10 -5 |
Ozone deterioration |
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COVER |
Physical property |
Before aging | 14 | 400 | 250 | 60 | no cracks |
| After aging | 12 | 340 | - | 65 | - | ||
Acid and alkali resistance |
Class |
Soak liquid |
Density |
Soak conditions |
Change rate before and after soak |
||
°C x h |
Swelling rate |
Change rate of tensile strength |
|||||
| A1 | HCL | 18% | 50°C x 96h | ≤+10% | ≤-10% | ||
| A2 | H2SO4 | 50% | 50°C x 96h | ≤+10% | ≤-10% | ||
| A3 | NaOH | 48% | 50°C x 96h | ≤+10% | ≤-10% | ||
ITEM |
Breaking strength,MPa |
Elongation at break,% |
abrasion,mm3 |
hardness |
| (°) | ||||
| Performance before aging | ≥14.0 | ≥400 | ≤250 | 60±5 |
| Performance after aging | ≥12.0 | ≥340 | --- | 65±10 |
| Note: When the thickness of the cover rubber is 0.8mm-1.6m, the sample thickness can be the maximum cut length, the tensile strength and the elongation at break are allowed to be 15% lower than those in the table. |
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