| About |
|---|
| Kumho KNB 0230L is an Acrylonitrile Butadiene Rubber (NBR) material. It is available in Asia Pacific, Europe, or North America for injection molding. Important attributes of Kumho KNB 0230L are: RoHS Compliant Chemical Resistant Copolymer Heat Resistant Moisture Resistant Typical applications include: Engineering/Industrial Parts Consumer Goods Hose/Tubing Packaging&& |
| Product Description | |
|---|---|
| Supplier | Kumho Petrochemical |
| Material Status | Commercial: Active |
| Features | Grease resistance,High Heat Resistance,Copolymer,Hydrocarbons,Alkali resistant,Moisture resistance,Acidproof,Good wear resistance |
| Availabilitys | North America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.978 | g/cm³ | |
| Mooney viscosity | |||
| ML 1+4，100℃ | 64 | MU | |
| ML 1+4，100℃ | 42 | MU | |
| 35.0 | % | ||
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 74 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile Strength | |||
| Yield yld | 28.9 | MPa | |
| 300% strain | 14.7 | MPa | |
| Tensile Strain | |||
| Broken BRK | 510 | % |
| Aging property | Nominal value | Unit | Test method |
|---|---|---|---|
| Change in Tensile Strength | |||
| 100 ℃, 70 hr, in ASTM # 1 oil | -3.0 | % | |
| 300% strain, 100 ℃, 70 hr, in ASTM # 1 oil | 38 | % | |
| Change in Ultimate Elongation | |||
| 100 ℃, 70 hr, in ASTM # 1 oil | -24 | % | |
| Change rate of Shore hardness | |||
| Support A, 100 ℃, 70 hr, in ASTM # 1 oil | -1.0 | ||
| Volume change | |||
| 100 ℃, 70 hr, ASTM standard oil, No.1 | 0.0 | % |
| Supplementary Information | Nominal value | Unit | Test method |
|---|---|---|---|
| Monsanto ODR | |||
| 160℃ | 1.9 | kN/m | |
| 160℃ | 12.4 | min | |
| 160℃ | 4.0 | min | |
| 160℃ | 7.5 | kN/m | |
| 160℃ | 2.6 | min |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Compounded |
| 3. 150°C x 40 min, press vulcanization |
| 4. ARC ±1°, ML |
| 5. ARC ±1°, T’ 90 |
| 6. ARC ±1°, T’ 50 |
| 7. ARC ±1°, MH |
| 8. ARC ±1°, TS 01 |
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