Global O-Ring & Seal, Llc QN70343 343 Quad Ring (X-Ring), 3-3/4ID x 4-1/8OD, 70 Duro, Round, Black
NITRILE RUBBER, ALSO KNOWN AS NBR OR BUNA N, IS ONE OF THE MOST COMMONLY USED SEALING ELASTOMERS DUE TO ITS RESISTANCE TO PETROLEUM-BASED FUELS AND LUBRICANTS AND ITS RELATIVELY LOW PRICE. NITRILE ELASTOMERS ARE COPOLYMERS OF ACRYLONITRILE AND BUTADIENE. THERE ARE A NUMBER OF COMMON VARIATIONS OF NITRILE COMPOUNDS.UL STYLE"MARGIN-TOP0PX;PADDING-TOP 5PX; PADDING-BOTTOM 5PX;" ACRYLONITRILE CONTENT THE ACRYLONITRILE (ACN) CONTENT OF THE POLYMER CHAINS CAN BE VARIED FROM 18 TO 50. LOWER ACN CONTENT GIVES BETTER LOW-TEMPERATURE PROPERTIES BUT POORER FUELS AND POLAR LUBRICANTS. HIGHER ACN CONTENT GIVES POORER LOW-TEMPERATURE PROPERTIES BUT IMPROVED FUELS AND POLAR LUBRICANTS RESISTANCE. STANDARD NBRS TYPICALLY HAVE 34 ACN CONTENT. CURE SYSTEM SULFUR-CURED STANDARD NITRILES ARE USUALLY SULFUR-CURED. SULFUR-CURED COMPOUNDS OFFER BETTER LOW-TEMPERATURE PROPERTIES BUT ARE MORE PRONE TO HARDENING WITH HIGH TEMPERATURES. PEROXIDE-CURED NITRILES HAVE BETTER HEAT RESISTANCE AND LOWER COMPRESSION SETS BUT ARE MORE EXPENSIVE AND MORE DIFFICULT TO PROCESS. TEMPERATURE RANGEUL STYLE"MARGIN-TOP0PX;PADDING-TOP 5PX; PADDING-BOTTOM 5PX;" STANDARD LOW TEMP -40°C (-40°F) STANDARD HIGH TEMP 100°C (212°F)
Priced unit of measure: Each not Pack
Minimum/Multiple for Order: 1
Restricted Sales States:
Not Returnable or Cancellable!