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EPDM O-Ring, 70A Durometer, Black

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Product Specifications
Material Type
EPDM (Ethylene Propylene Diene Monomer Rubber)
Color Name
Black
Brand Name
Small Parts
Cross Section Shape
Round
Upper Temperature Range
300  Degrees Fahrenheit
Specification Met
AS568A
Hardness
70 A Durometer
LowerTemperature Range
-70  Degrees Fahrenheit
System of Measurement
Inch

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Currently showing 1-20 of 584 Next 20 »
001 1/32" 3/32" 1/32" 0.029" 0.109" 0.04" 100 B001D8DQB8 3 $8.29 Buy Options
001 1/32" 3/32" 1/32" 0.029" 0.109" 0.04" 70 B0051Y030M 2 $4.24 Buy Options
001-1/2 1/16" 1/8" 1/32" 0.070" 0.150" 0.040" 25 B005282X7S 1 $5.45 Buy Options
002 3/64" 9/64" 3/64" 0.042" 0.142" 0.05" 100 B001D8BY4E 2 $3.07 Buy Options
002 3/64" 9/64" 3/64" 0.042" 0.142" 0.05" 75 B0051Y0370 4 $3.00 Buy Options
003 1/16" 3/16" 1/16" 0.056" 0.176" 0.06" 100 B001D8BY6C 1 $4.31 Buy Options
004 5/64" 13/64" 1/16" 0.07" 0.21" 0.07" 100 B001D8HA1A 1 $6.70 Buy Options
005 3/32" 7/32" 1/16" 0.101" 0.241" 0.07" 100 B001E0AIKC 11 $3.93 Buy Options
006 1/8" 1/4" 1/16" 0.114" 0.254" 0.07" 100 B001D8A3IM 18 $3.48 Buy Options
007 5/32" 9/32" 1/16" 0.145" 0.285" 0.07" 100 B001D8FRVK 6 $2.80 Buy Options
008 3/16" 5/16" 1/16" 0.176" 0.316" 0.07" 100 B001D8DQV8 14 $3.39 Buy Options
009 7/32" 11/32" 1/16" 0.208" 0.348" 0.07" 100 B001E07GFC 6 $3.34 Buy Options
010 1/4" 3/8" 1/16" 0.239" 0.379" 0.07" 100 B001D8FS2I 15 $3.59 Buy Options
011 5/16" 7/16" 1/16" 0.301" 0.441" 0.07" 100 B001D8DR0S 10 $2.85 Buy Options
012 3/8" 1/2" 1/16" 0.364" 0.504" 0.07" 100 B001D8HAJC 17 $5.87 Buy Options
013 7/16" 9/16" 1/16" 0.426" 0.566" 0.07" 100 B001D8FSBE 7 $6.03 Buy Options
014 1/2" 5/8" 1/16" 0.489" 0.629" 0.07" 100 B001D8BYPS 1 $2.76 Buy Options
015 9/16" 11/16" 1/16" 0.551" 0.691" 0.07" 100 B001D8HAOC 1 $3.66 Buy Options
016 5/8" 3/4" 1/16" 0.614" 0.754" 0.07" 100 B001E07GES 3 $4.45 Buy Options
018 3/4" 7/8" 1/16" 0.739" 0.879" 0.07" 100 B001D8FSH8 3 $4.33 Buy Options

Key Features

  • Made of ethylene propylene diene monomer (EPDM) rubber for use with a variety of chemicals and environments
  • Can be used in a wide temperature range from -70 degrees F (-57 degrees C) to 300 degrees F (149 degrees C)
  • Round in cross-section to provide a seal between cylindrical overlapping surfaces
  • Durometer (hardness) of 70A for resistance to penetration
  • Meets standards defined by Aerospace Standard AS568A

Product Description

This EPDM O-ring is black in color, round in cross-section, has a durometer of 70A, and is designed for use in a wide variety of sealing applications.

EPDM is acceptable for temperature applications between -70 degrees F (-57 degrees C) to 300 degrees F (149 degrees C). It is compatible for use with water and steam, silicone oil and grease, polar solvents (alcohols), acids, glycol-based brake fluids, ozone, and weathering. It is vulnerable to many oils, gasoline, and solvents. This material meets ASTM International standards.

This EPDM O-ring has a shore durometer of 70A. Shore durometer is the hardness of a material, and its resistance to permanent indentation. A higher durometer value indicates greater resistance to indentation on a scale of 0 to 100, with 100 indicating no indentation.

O-rings commonly provide a pressure and fluid seal between cylindrically shaped, overlapping mating surfaces and are commonly seen in engines, faucets, flanges, valves, and various cylinders. They are circular in shape, with a round cross section and a hole in the center, similar to a doughnut. O-rings are available in various sizes, and can be ordered based on required nominal inside diameter (ID), outer diameter (OD), and cross-sectional (CS) diameter.

This EPDM O-ring meets standards defined by Aerospace Standard AS568A, which is the Aerospace Size Standard for O-rings.

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