Complaint
| Product name | HNBR45 | HNBR55 | HNBR65 | HNBR75 | HNBR85 | ||
| Mooney viscosity (ML 1 + 4 @ 100 ºC) | 40 | 48 | 56 | 67 | 72 | ||
| Rheometer 180ºC×5min | Minimum torque ML, lb-in | 0.14 | 0.28 | 0.52 | 0.58 | 1.4 | |
| Maximum torque MH, lb-in | 6.29 | 10.10 | 11.28 | 14.76 | 19.44 | ||
| Scorch time TS2, sec | 55 | 77 | 52 | 70 | 52 | ||
| Cure time TC 90, sec | 126 | 242 | 272 | 317 | 337 | ||
| Conventional physical properties Section I 175 ºC × 8 min Two-stage 150 ºC × 4h | Specific gravity, G/cm3 | 1.216 | 1.101 | 1.195 | 1.221 | 1.246 | |
| Hardness (Shore A), points | 50 | 57 | 64 | 73 | 84 | ||
| Tensile strength, MPa | 10.79 | 13.32 | 17.01 | 18.67 | 20.16 | ||
| Elongation at break,% | 520 | 379 | 365 | 336 | 211 | ||
| M100,MPa | 1.83 | 2.12 | 3.55 | 4.23 | 10.43 | ||
| Hot air aging 150ºC×70h | Hardness (ShoreA) change, points | +5 | +4 | +3 | +1 | +1 | |
| Change in breaking strength,% | -9.98 | -8.76 | -6.78 | -5.6 | -3.6 | ||
| Change in elongation at break,% | -19.48 | -18.73 | -15.89 | -6.9 | -8.89 | ||
| Oil resistance 100ºC×70h | IRM901# | Hardness (ShoreA) change, points | +9 | +7 | +4 | +4 | +1 |
| Change in breaking strength,% | -4.78 | -3.78 | -2.67 | -1.98 | -0.93 | ||
| Change in elongation at break,% | -11.97 | -10.39 | -8.89 | -17 | -14.23 | ||
| Change in volume change rate,% | -9.98 | -9.75 | -5.34 | -5.70 | -3.87 | ||
| IRM903# | Hardness (Shore A), points | 40 | 53 | 62 | 72 | 83 | |
| Tensile strength, MPa | 9.79 | 18.78 | 16.87 | 18.34 | 20.08 | ||
| Elongation at break,% | 501 | 390 | 334 | 289 | 206 | ||
| Volume change rate,% | +10.44 | +6.01 | +2.34 | +1.10 | +0.38 | ||
| Fuel C | Change in volume change rate,% | +38.55 | +35.22 | +32.74 | +28.66 | +25.76 | |
| Compression set 100 ºC × 70h,% | 32.82 | 29.72 | 27.45 | 26.13 | 20.69 | ||
| Ozone resistance, 80pphm × 20% elongation × 40 ºC × 120h | No cracking | No cracking | No cracking | No cracking | No cracking | ||
| Low temperature retractability, ºC | -38 | -34 | -32 | -28 | -22 | ||
Q: Are you a factory or trading company?
A: We are rubber raw material manufacturer and owned 3 factories.
Q: Where is the loading port and How do you ship the goods?
A: Our factory is nearby Shanghai Port, but loading port can be negotiated. We could ship by sea, by air or by express(EMS, UPS, DHL, TNT, FEDEX and etc). Please confirm with us before placing orders.
Q: How can we guarantee the products' quality?
A: All the products must be tested refers to key specifications during the production and final inspection before shipment.
Q: What about the lead time?
A: It depends on the order quantity you place the order. Usually sample needs 5-8 working days, mass production needs 15-30 days.
