Material Chart

 
Materials Natural Rubber SBR EPDM Chloroprene CR NBR Silicone VMQ HNBR Fluoro Carbon FKM Fluoro Silicone FMVQ Polyurethane PU
Hardness Range 40-90° 40-90° 30-90° 30-90° 30-90° 30-80° 50-90° 60-90° 40-80° 30-80°
Colours Limited Range Limited Range Limited Range Limited Range Limited Range More Variations Limited Range Limited Range Limited Range Limited
Range
Physical Properties  
Physical Strength Excellent Good Good Good Good Poor Good Good Poor Excellent
Compression Set Good Good Good Fairly Good Good Good Good Good Good Good
Tear & Abrasion Resistance Excellent Good Good Good Good Poor Very Good Good Poor Excellent
Resilience Excellent Good Very Good Very Good Good Good Fair Fair Fair Fair
Permeability To Gas Poor Fairly Low Fairly Low Low Low Fairly Low Good Very Low Fairly Low Low
Electrical Strength Excellent Excellent Excellent Good Poor Excellent Poor Good Excellent Good
Flame Resistance Poor Poor Poor Self-extinguishing Poor Good Poor Self-extinguishing Self-extinguishing Poor
Resistance To Temperatures  
Maximum- Continuous 75°C 85°C 130°C 95°C 100°C 205°C 125°C 205°C 180°C 70°C
Maximum- Intermittent 105°C 115°C 150°C 125°C 130°C 300°C 160°C 300°C 200°C 90°C
Low Temperature Resistance -60°C -55°C -50°C -40°C -40°C -60°C -30°C -20°C -60°C -20°C
Weather Resistance  
Oxidation Resistance Fair Fair Excellent Very Good Good Excellent Excellent Outstanding Excellent Excellent
Ozone & Weathering Resistance Poor Poor Outstanding Very Good Fair Outstanding Fair Outstanding Very Good Excellent
Fluid Resistance  
Water Resistance Very Good Good Excellent Good Good Good Very Good Good Good Good
Resistance to Acids Fair Fair Good Good Good Fair Good Excellent Good Poor
Resistance to Bases Good Good Good Fair Fair Fair Good Good Fair Poor
Detergent Solutions Good Good Very Good Good Very Good Very Good Very Good Very Godd Very Good Poor
Dry Cleaning Fluids Poor Poor Poor Poor Poor Poor Poor Very Good Good Poor
Salt Water Very Good Very Good Very Good Good Very Good Very Good Very Good Very Good Very Good Poor
Sewage Good Good Good Good Very Good Good Very Good Very Good Very Good Poor
Gasoline Poor Poor Poor Poor Good Poor Very Good Very Good Very Good Good
Oil Resistance  
Diesel Oil Poor Poor Poor Poor Very Good Poor Good Good Good Good
Hydraulic Oil- Petroleum based Poor Poor Poor Good Very Good Poor Very Good Very Good Good Good
Kerosene Poor Poor Poor Good Very Good Poor Very Good Very Good Good Good
Liquefied Petroleum Gas Poor Poor Poor Good Very Good Poor Very Good Very Good Poor Good
Lubricating Oils- Petroleum based Poor Poor Poor Good Very Good Poor Poor Very Good Very Good Good
Mineral Oil Poor Poor Poor Good Very Good Good Very Good Very Good Very Good Good
ASTM Oil No.1- IRM 901 Poor Poor Poor Very Good Very Good Fair Very Good Very Good Very Good Good
ASTM Oil No.2- IRM 902 Poor Poor Poor Very Good Very Good Fair Very Good Very Good Very Good Good
ASTM Oil No.3- IRM 903 Poor Poor Poor Very Good Very Good Fair Very Good Very Good Very Good Good
Brake Fluids Fair Very Good Very Good Fair Poor Poor Poor Poor Poor Good