High friction (CoF), not recommended for dynamic seal applications
High cost
Automotive and Aerospace applications
Medical devices
Electrical applications
-75°F to 450°F
Natural rubber, Isoprene (NR)
Excellent compression set resistance
Good resilience and abrasion
Good tear resistance
Moderate cost
Poor petroleum oil resistance
Poor weather resistance
Moderate high temperature resistance
Automotive applications
FDA food and beverage
-60°F to 220°F
Neoprene (CR)
Excellent Freon® and ammonia resistance
Good weather resistance
Good chemical resistance
Poor solvent resistance
Moderate water resistance
Moderate high temperature resistance
Moderate petroleum oil resistance
Refrigeration applications
Automotive applications
General industrial use
-40°F to 250°F
Nitrile, Buna-N (NBR)
Excellent compression set resistance
Excellent tear resistance
Excellent oil resistance
Good abrasion resistance
Poor weather resistance
Poor solvent resistance
Moderate high temperature resistance
Oil resistant applications
Automotive fuel systems
General industrial use
-20°F to 210°F
Hydrogenated Nitrile (HNBR)
Excellent compression set resistance
Excellent oil resistance
Excellent abrasion resistance
Improved heat, fuel, and ozone resistance
Moderate low temperature resistance
High cost
Oil resistant applications
Automotive fuel systems
General industrial use
-20°F to 275°F
General Purpose Silicone (MQ, VMQ)
Excellent temperature resistance
Excellent compression set resistance at lower durometer
Low odor and taste
Low temperature flexibility
Poor abrasion resistance
Poor solvent, oil, concentrated acid, and sodium hydroxide resistance
High friction (CoF), not recommended for dynamic seal applications
Poor compression set at harder durometer
Automotive and Aerospace applications
Medical devices
Electrical applications
FDA food and beverage
-75°F to 450°F
Thermoplastic Vulcanizate (TPV)
Good weather resistance
Good abrasion resistance
Good low temperature resistance
Poor chemical resistance
Poor compression set resistance at high durometer
Moderate high temperature resistance
Automotive applications
Medical devices
Sports equipment
General industrial use
-75°F to 210°F
Kraton® G (SEBS, SEPS)
Good weather resistance
Good water, acid, and base resistance
Good low temperature resistance
Poor hydrocarbon oil and solvent resistance
Poor high temperature resistance
Medical devices
FDA food and beverage
Footwear
-80°F to 160°F
Flexible Polyvinyl Chloride (PVC)
Good weather resistance
Good water, acid, and base resistance
Good tear strength
Poor hydrocarbon oil and solvent resistance
Moderate temperature resistance
Medical devices
Wire and cable insulation
General industrial use
-20°F to 180°F
High Molecular Weight Polyvinyl Chloride (HMPVC)
Good low temperature resistance
Good UV resistance
Good tear strength
Good flex fatigue
Poor compression set at elevated temperature
Poor hydrocarbon, oil and solvent resistance
Marine
Wire and cable insulation
Sports equipment
-58°F to 220°F
Note: This information is presented as a general guideline for material selection. For a specific application's requirements, please contact your NWRE sales representative. Most materials can be custom formulated to better suit your end-use.