|
Still deciding? Get samples of $ !
Order Sample
|
| Customization: | Available |
|---|---|
| After-sales Service: | 24 Hours-7 Days-Available |
| Warranty: | 5 Years |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
|---|
| Payment Methods: |
|
|---|---|
| Support payments in USD |
| Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
|---|
| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
|---|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency







Material | IRHD | Hardness | Tensile Strength | Elongation at Break | Compression Set |
Shore A | min. psi | min. | max. | ||
Nature rubber | 50 | 45-55 | 2500 | 450% | 25% |
60 | 55-65 | 2500 | 400% | 25% | |
70 | 65-75 | 2500 | 350% | 25% | |
Neoprene | 50 | 45-55 | 2250 | 400% | 35% |
60 | 55-65 | 2250 | 350% | 5% | |
70 | 65-75 | 2250 | 300% | 5% |


Technical index | Neoprene Rubber | Natural Rubber | |
Hardness(IRHD) | 60±5 | 60±5 | |
Strength Tensile(Mpa) | ≥17 | ≥18 | |
Elongation at break (%) | ≥400 | ≥450 | |
Brittleness temperature(ºC) | ≤40 | ≤-50 | |
Constant compression permanent deformation | ≤15 | ≤30 | |
Resistance to ozone aging test (test conditions,20% elongation,40ºC×96h) | 100ppmm | 25ppmm | |
No cracking | No cracking | ||
Hot air aging test (The biggest change comparing with before aging numerical) | Test conditions (ºC×h) | 100×70 | 70×168 |
Strength Tensile (%) | -15 | -15 | |
Elongation at break(%) | -40 | -20 | |
Variation in hardness(IRHD) | 0,+10 | -5,+10 | |
Strength of rubber and steel Peel adhesive (KN/m) | >10 | >10 | |
Strength of PTFE Slip Sheet and rubber (KN/m) | >7 | >7 | |









