Rubber Materials Classification & Performance Comparison
Rubber Materials Classification & Performance Comparison
Selecting the right elastomer begins with understanding how each family is classified and where it excels. Use this comparison as a quick reference before diving into individual material guides.
## Classification Overview
| Family | Structure | Continuous Temp | Key Strengths | Weaknesses | Cost |
| — | — | — | — | — | — |
| NR (Natural Rubber) | cis-1,4-polyisoprene | -60 °C to +80 °C | High resilience, low cost | Poor oil/weather resistance | $ |
| SBR | Styrene-butadiene | -50 °C to +100 °C | Abrasion resistance, tire compounds | Lower resilience | $ |
| NBR/HNBR | Acrylonitrile-butadiene | -40 °C to +150 °C | Oil/fuel resistance, strength | Poor weather resistance | $$ |
| EPDM | Ethylene-propylene-diene | -55 °C to +150 °C | Water/steam, weather | Poor hydrocarbon resistance | $$ |
| CR (Neoprene) | Chloroprene | -35 °C to +120 °C | Flame resistance, balanced properties | Limited chemical resistance | $$ |
| Silicone/FVMQ | Polysiloxane | -70 °C to +250 °C | Extreme temperature, clean | Low tear/abrasion resistance | $$$ |
| FKM | Fluorocarbon | -20 °C to +200 °C | Chemical/temperature resistance | Cost, low temp limits | $$$ |
| FFKM | Perfluoroelastomer | -15 °C to +327 °C | Ultimate chemical resistance | Very high cost | $$$$ |
| PTFE/UHMWPE | Fluoropolymer | -200 °C to +260 °C | Chemical inertness, low friction | Requires energiser/backups | $$$ |
## Selection Steps
1. Identify media, temperature, and pressure constraints.
2. Use the table to narrow two or three candidate families.
3. Review detailed material guides for specific grades and regulatory approvals.
4. Validate with laboratory testing (immersion, compression set, dynamic wear).
5. Update documentation and stocking plans accordingly.
## Related Resources
– [Materials Center](/materials/)
– [Chemical Resistance Guide](/materials/rubber-chemical-resistance-performance/)
– [Design Services](/services/design-services/) – consult on edge cases or mixed media.
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