Elastomer Service Properties: NBR
Service temperature limits, chemical resistance ratings, mechanical properties, and cure data for engineering elastomers and rubber compounds
| elastomer | grade or variant | acid resistance | astm designation | chemical resistance notes | common name | compression set pct (%) | compression set temp C | compression set time hr | cure system | density g cm3 (g/cm3) | elongation at break pct (%) | fuel resistance | gas permeability | glass transition temp C (C) | hardness range shore a | max continuous temp C (C) | max peak temp C (C) | max service temp C (C) | min service temp C (C) | notes | oil resistance | ozone resistance | steam resistance | tensile strength mpa (MPa) | tr10 temp C | volume swell fuel b pct | volume swell oil irm903 pct |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NBR | high_ACN | Fair | BK/CH (ASTM D2000) | Best oil and fuel resistance of NBR grades; reduced low-temperature flexibility; used in direct contact with fuels and aromatic solvents | Nitrile (High ACN ~36-50%) | 20-40 | 100 | 22 | sulfur or peroxide | 1.15-1.25 | 150-400 | Excellent | Low | -26 to -15 | 40-90 | 120 | 140 | 120 | -20 | ACN content 36-50%; low gas permeability; used in fuel hose liners | Excellent | Poor | Poor | 10-25 | -20 to -10 | 10-25 | 5-15 |
| NBR | low_ACN | Fair | BG/BK (ASTM D2000) | Best low-temperature flexibility of NBR grades; lower oil swell resistance than high-ACN; used in low-temperature fuel and hydraulic seals | Nitrile (Low ACN ~18-25%) | 20-40 | 100 | 22 | sulfur or peroxide | 1.00-1.10 | 200-500 | Fair | Medium | -48 to -42 | 40-80 | 100 | 120 | 100 | -48 | ACN content 18-25%; TR-10 approx -48C | Good | Poor | Poor | 10-20 | -48 | 60-100 | 30-60 |
| NBR | medium_ACN | Fair | BF/BG (ASTM D2000) | Most widely used NBR grade; balanced oil resistance and low-temperature flexibility; standard for hydraulic and pneumatic sealing | Nitrile (Medium ACN ~28-34%) | 15-35 | 100 | 22 | sulfur or peroxide | 1.10-1.20 | 200-500 | Good | Medium | -33 to -28 | 40-90 | 120 | 140 | 120 | -35 | ACN content 28-34% (most common ~33%); standard O-ring compound; ASTM D2000 BA/BF grades | Excellent | Poor | Poor | 10-25 | -35 to -30 | 30-50 | 15-30 |
This is a sample. Search the full elastomer service properties dataset and 300+ more by creating a free account and accessing the database.
Get started for FREE