Nitrile rubber ‘O’ ring applications. It also is well known as Buna-N.This name came from one of the first base polymers patented in 1934, therefore people commonly use this name for all classes for Nitrile to this day. 34 products. Versatile and reliable, nitrile offers good resistance to gasoline, diesel fuel, motor oil, acids and non-polar solvents. Nitrile rubber is used for fuel pumps diaphragm, fuel tanks, gasoline hoses, oil seals, gaskets, oil resistant shoes, and seals. FKM (Viton®) O-rings have excellent chemical resistance and can be used at temperature range of between 15°C and 200°C. One of the most commonly used elastomers available, Nitrile O-ring cord is a great solution which will give you a versatile material suitable for many uses. Here’s a guide to the kinds of O-Ring materials we use, how they are used, and when to avoid using them. Ideal for water or hydrocarbons (Oil & Gas), they are a staple in the industry. We are also able to supply many other non-standard compounds on a short lead time. Rubber is compounded from a blend of elastomers and fillers. Nitrile Nitrile butadiene rubber (NBR) Nitrile, or NBR is a family of unsaturated copolymers of 2-propenenitrile and various butadienemonomers (1,2-butadiene and 1,3-butadiene). Nitrile or Buna-N O-rings produce general purpose seals that are tear-resistant and can withstand abrasive treatment. Nitrile (Buna-N) O-Ring The material Nitrile, also known as Buna-N or acrylonitrile butadiene rubber, functions at a temperature range of between -65 F and 300 F. O-rings made from Nitrile are typically used for general sealing purposes, which includes sealing of hydraulic fluids, petroleum oils, water and so on. Versatile and reliable, nitrile offers good resistance to gasoline, diesel fuel, motor oil, acids and non-polar solvents. Nitrile offers relatively poor steam resistance and an unremarkable operational temperature range of -25 °C to +100 °C. Nitrile (or NBR) O-Rings are most commonly availible and cost effective. Nitrile rubber, also known as Buna-N or NBR, is made by combining butadiene and acrylonitrile. In recent years gasoline formulations have been changed to reduce emmisions or reduce wear in engines. This chart shows the chemical compatibility and resistance of all popular rubber or elastomer materials. The additives used to accomplish this are NOT always compatible with Buna-N and has We placed Nitrile o-rings in 40% ethanol and have seen no measurable difference in the o-ring over a week’s time. AS568 standard size Buna-N O-Rings are the most widely used o-ring material in the world because of low cost, good mechanical performance with resistance to water, most basic oils, lubricants and some fuels, many pneumatic, hydraulic systems, propane, natural gas and the default choice for basic applications. For this reason, it is widely used for general-purpose ‘O’ rings in automotive, marine and aerospace applications. Nitrile O-rings, which have a temperature range between -54 and 149 degrees Celsius, are suitable for use with water, petroleum oils and some hydraulic fluids. Have you ever used a nitrile o-ring and have it not seal your gasoline application as well as the last nitrile o-ring? Hello to all, I have been noticing lately that my OS Engines ( both 2 strokes and 4 strokes in the 46 to 91 range) that are not being used regularly or are in storage are having a real problem with the needle valve "O" rings deteriorating and causing the needle valves to get stuck in the spray bar housing. Buna-N (also known as nitrile or NBR) is a synthetic rubber material. Call +44 (0) 1670 840529 or email … Nitrile NBR Rubber O Ring Encapsulated Excellent Gasoline / Oil Resistant. Most notably, it includes seals for petroleum-based fuels such as gasoline and diesel, and for oils. Air Compressor O Ring HNBR AS 568 O-RING Refrigerant Resistant. Otherwise, there would’ve been a wide search for a better replacement material. NBR is used in the automotive and aeronautical industry to make fuel and oil … N R is good for applications where the O-ring is exposed to fats, greases and animal or Nitrile butadiene rubber (NBR) is a family of unsaturated copolymers of 2-propenenitrile and various butadiene monomers (1,2-butadiene and 1,3-butadiene).Although its physical and chemical properties vary depending on … The terms FPM, FKM and Viton® can lead to incorrect interpretations. With over 30,000 different materials and sizes available, our unique O-ring search tools help you find your match in seconds. Individual nitrile compounds have service temperatures that range from -65 to +250°F, including certain compounds formulated for lower temperatures. Nitrile rubber, also known as nitrile butadiene rubber, NBR, Buna-N, and acrylonitrile butadiene rubber, is a synthetic rubber derived from acrylonitrile (ACN) and butadiene. Common O-Ring materials that are SUITABLE for dynamic and static seal in the environment containing Automotive Gasoline include Buna-N (Nitrile): Buna-N, also known as Nitrile rubber, is a synthetic rubber copolymer of acrylonitrile (ACN) and butadiene. For this reason, it is widely used for general-purpose nitrile ‘O’ rings in automotive, marine and aerospace applications. Acrylonitrile Butadiene Rubber (NBR) or Nitrile rubber is one of the most popular compounds for automotive applications. Buna-N rings with durometer 70 shore A can offer hood physical properties and provide excellent resistance to petroleum products. The properties vary depending on the ACN content which ranges between 18% and 50%. FKM O Rings. They can also be made from a number of different substances. 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