Global O-Ring N8-90-327 O型圈

Global O-Ring N8-90-327 O型圈-产品快照

品牌:
Global O-Ring
型号:
N8-90-327

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产品介绍

Global O-Ring N8-90-327 O型圈

327 Contoured Backup Ring, 1-3/4ID x 2-1/8OD, 90 Duro, Round, Black

Global O-Ring

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. 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 Range: Standard Low Temp: -40°C (-40°F) Standard High Temp: 100°C (212°F)

Product Specifications TEMPERATURE RANGE -40°F to +212°F ACTUAL CROSS SECTION INCHES 0.183 DESCRIPTION Nitrile Back-Up Rings CONSTRUCTION Nitrile MANUFACTURERS PART NUMBER N8-90-327 BRAND Global O-Ring COLOR FINISH Black DUROMETER 90 PACKAGE QUANTITY 49 ACTUAL INSIDE DIAMETER MILLIMETERS 44.78 ACTUAL CROSS SECTION MILLIMETERS 4.65 UNIVERSAL DASH NUMBER 327 NOMINAL CROSS SECTION INCHES 3/16 ACTUAL OUTSIDE DIAMETER INCHES 2.129 NOMINAL OUTSIDE DIAMETER INCHES 2-1/8 ACTUAL INSIDE DIAMETER INCHES 1.763 NOMINAL INSIDE DIAMETER INCHES 1-3/4 SHAPE Round

Pneumatics & Hydraulics O-Rings & Seals O-Rings Nitrile Back-Up Rings

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