Customization: | Available |
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Material: | NBR |
Application: | Machine |
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Applicable standards | Class | ||||||||||||||
JIS B 2401 | NBR-70-1 | NBR-90 | NBR-70-2 | HNBR-70 | HNBR-90 | SBR-703) | VMQ-70 | FKM-70 | FKM-90 | ACM-70 | EPDM-70 | - | EPDM-90 | ||
JASO F 404 | Class 1-A | - | Class 2 | - | - | Class 3 | Class 4-C | Class 4-D | - | Class 4-E | - | Class 5 | - | ||
Rubber materials, Applications Test items |
Nitrile rubber (NBR) |
Nitrile rubber (NBR) |
Nitrile rubber (NBR) |
Hydrogenated nitrile rubber (HNBR) |
Hydrogenated nitrile rubber (HNBR) |
Styrene-buta- diene rubber (SBR) |
Silicone rubber (VMQ) |
Fluoro rubber (FKM) |
Fluoro rubber (FKM) |
Acrylic rubber (ACM) |
Ethylene- propylene rubber (EPDM) |
Ethylene- propylene rubber (EPDM) |
Ethylene- propylene rubber (EPDM) |
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Mineral oil resistance | Gasoline resistance |
Mineral oil and high-temperature application resistance | Animal oil and veg- etable oil resistance | High-temperature application resistance | Animal oil, vegetable oil, and brake fluid resistance | Coolant resistance | Animal oil, vegetable oil, and brake fluid resistance | ||||||||
Normal proper- ties | Hardness by durometer type A1) | A70 ± 5 | A90 ± 5 | A70 ± 5 | A70 ± 5 | A90 ± 5 | A70 ± 5 | A70 ± 5 | A70 ± 5 | A90 ± 5 | A70 ± 5 | A70 ± 5 | A70 ± 5 | A90 ± 5 | |
Tensile strength (MPa), min. | 10.0 | 14.0 | 10.0 | 16.0 | 16.0 | 9.8 | 3.5 | 10.0 | 10.0 | 6.0 | 10.0 | 9.8 | 10.0 | ||
Elongation (%), min. | 250 | 100 | 200 | 180 | 100 | 150 | 60 | 170 | 80 | 100 | 150 | 150 | 80 | ||
Tensile stress (MPa), min. (at 100 % elongation) | 2.5 | - | 2.5 | 2.5 | - | 2.7 | - | 2.0 | - | - | - | 2.7 | - | ||
Aging tests | Temperature and duration | 120 ˚C, 72h | 100 ˚C, 72h | 150 ˚C, 72h | 100 ˚C, 70h | 230 ˚C, 72h | 230 ˚C, 72h | 150 ˚C, 72h | 100 ˚C, 72h | 120 ˚C, 70h | 100 ˚C, 72h | ||||
Change in hardness, max. | + 10 | + 10 | + 10 | + 15 | + 15 | + 10 | + 10 | + 5 | + 5 | + 10 | + 10 | + 10 | + 10 | ||
Change in tensile strength (%), max. | - 15 | - 25 | - 15 | - 30 | - 30 | - 15 | - 10 | - 10 | - 10 | - 30 | - 15 | - 20 | - 15 | ||
Change in elongation (%), max. | - 45 | - 55 | - 40 | - 40 | - 40 | - 45 | - 25 | - 25 | - 25 | - 40 | - 45 | - 40 | - 45 | ||
Compression set test | Temperature and duration | 120 ˚C, 72h | 100 ˚C, 72h | 150 ˚C, 72h | 100 ˚C, 70h | 175 ˚C, 72h | 200 ˚C, 72h | 200 ˚C, 72h | 150 ˚C, 72h | 100 ˚C, 72h | 120 ˚C, 70h | 100 ˚C, 72h | |||
Compression set (%), max. | 40 | 40 | 25 | 40 | 40 | 25 | 30 | 40 | 40 | 60 | 25 | 40 | 30 | ||
Immersion test | Temperature, duration, and testing oil | 120 ˚C, 72h 2) IRM901 |
23 ˚C, 72h fuel oil No.12) | 150 ˚C, 72h 2) IRM901 |
100 ˚C, 70h brake fluid2) | 175 ˚C, 72h IRM9012) |
175 ˚C, 72h IRM9012) | 150 ˚C, 72h 2) IRM901 |
100 ˚C, 72h brake fluid2) | 100 ˚C, 70h coolant | 100 ˚C, 72h brake fluid2) | ||||
Change in hardness | - 5 ~ + 8 | - 5 ~ + 8 | - 8 ~ 0 | -5 ~ + 10 | -5 ~ + 10 | - 15 ~ 0 | - 10 ~ + 5 | - 10 ~ + 5 | - 10 ~ + 5 | - 7 ~ + 10 | - 15 ~ 0 | - 5 ~ + 5 | - 15 ~ 0 | ||
Change in tensile strength (%), max. | - 15 | - 20 | - 15 | - 20 | - 20 | - 40 | - 20 | - 20 | - 20 | - 30 | - 40 | - 40 | - 40 | ||
Change in elongation (%), max. | - 40 | - 40 | - 25 | - 40 | - 40 | - 40 | - 20 | - 20 | - 20 | - 40 | - 40 | - 40 | - 40 | ||
Change in volume (%) | - 8 ~ + 5 | - 8 ~ + 5 | - 3 ~ + 5 | -10 ~ + 5 | -10 ~ + 5 | 0 ~ + 12 | 0 ~ + 10 | - 5 ~ + 5 | - 5 ~ + 5 | - 5 ~ + 5 | 0 ~ + 12 | - 5 ~ + 5 | 0 ~ + 12 | ||
Temperature, duration, and testing oil | 120 ˚C, 72h 2) IRM903 |
23 ˚C, 72h fuel oil No.22) | 150 ˚C, 72h IRM9032) |
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175 ˚C, 72h 2) IRM903 |
175 ˚C, 72h 2) IRM903 |
150 ˚C, 72h 2) IRM903 |
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- |
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Change in hardness | - 15 ~ 0 | - 10 ~ + 5 | - 20 ~ 0 | - 15 ~ + 5 | - 15 ~ + 5 | -10 ~ + 5 | - 10 ~ + 5 | - 20 ~ 0 | |||||||
Change in tensile strength (%), max. | - 25 | - 35 | - 45 | - 30 | - 35 | - 20 | - 20 | - 40 | |||||||
Change in elongation (%), max. | - 35 | - 35 | - 45 | - 40 | - 40 | - 20 | - 20 | - 40 | |||||||
Change in volume (%) | 0 ~ + 20 | 0 ~ + 20 | 0 ~ + 30 | 0 ~ + 30 | 0 ~ + 25 | - 5 ~ + 5 | - 5 ~ + 5 | 0 ~ + 30 | |||||||
Low-temperature brittleness test | Brittleness limit temperature (˚C), max. | - 13 | - | - 10 | - | - | - 40 | - 50 | - 15 | - | - 1 | - | - 40 | - | |
Low-temperature elastic recovery test | TR10 value (˚C), max. | - 15 | - 15 | - 10 | - 15 | - 15 | - | - 30 | - 10 | - 10 | - 10 | - 30 | - | - 25 | |
Corrosion test | Temperature and duration | 70 ± 1 ˚C, 24h | |||||||||||||
Appearance | The rubber shall not corrode the metal with which it is in contact nor shall the rubber become sticky. However, changes in metal surface color shall not be judged as corrosion. |
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