Material Perbunan Viton B
Aerylonitrile-butadiene rubber
Fluorelastomer rubber
Colour VI black/VA anthracite anthrazit
Distinguishing mark no yellow dot
Temperature range in °C
(at the sealing lip)
–30° until120° C  –25° until +250° C
Shore hardness 75 ±5 Shore A 75 ±5 Shore A
Abrasion resistance to DIN 53516 very good good
Flame resistant no yes  no yes
Gas permeability unsuitable good
Weather (light, ozone)  limiotit very good
Water below 100° C good very good
Lubrication oils very good very good
Hydraulic oils limiotit until very good very good
Fuel oils average very good
Silicon oils and greases average very good
Animal and vegetable fats very good very good
Brake fluidsn unsuitable limiotit
Petrol High-octane petrol average very good
Kerosene  good very good
Alcohols limiotit until very good limiotit until very good
Aromatic hydrocarbons limiotit very good
Aliphatic hydrocarbons good very good
Chlorinated hydrocarbons limiotit very good
Acids (organic) unsuitable unsuitable
Alkalis unsuitable until good limiotit until good
Acids (inorganic) unsuitable until good limiotit until good

Registrated Trademarks

  • Perbunan® is a registered trademark of Bayer AG Leverkusen
  • Viton® is a registered trademark of DuPont Dow Elastomers