For industrial buyers worldwide, selecting the right rubber seal requires clear understanding of temperature resistance, oil resistance, and pressure rating—three core parameters that directly determine reliability and service life. This guide breaks down key performance data and matches them to real working conditions.

Temperature Resistance

· EPDM: -50℃ to +150℃. Excellent for outdoor, water systems, HVAC, and automotive cooling.

· NBR: -40℃ to +120℃. Ideal for oil-related medium-temperature environments.

· Silicone: -60℃ to +230℃. Best for high-temperature, food, and medical equipment.

· FKM: -20℃ to +200℃ (short-term 300℃). For extreme heat in engines and heavy industry.

Oil Resistance

· NBR & HNBR: Strong resistance to fuel, lubricant, and hydraulic oil. Top choice for engine seals, hydraulic systems, and oil pipelines.

· FKM: Outstanding oil and chemical resistance. Suitable for harsh corrosive oil conditions.

· EPDM & Silicone: Poor oil resistance; not recommended for oil environments.

Pressure Resistance

· Standard seals: Up to 10 MPa for general equipment.

· Reinforced NBR/HNBR: Up to 30–40 MPa for hydraulic and high-pressure systems.

· FKM with reinforcement: Up to 60 MPa for ultra-high-pressure machinery.

Industrial Scene Matching

· Water, air, HVAC, outdoor: EPDM seals.

· Oil, hydraulic, engine: NBR or HNBR seals.

· High-temperature, food, medical: Silicone seals.

· Extreme heat, corrosion, high pressure: FKM seals.

We provide custom seals with IATF16949, CE, FDA certifications. Our professional team supports material selection and performance optimization for your working conditions.