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  • Kalrez Perfluoroelastomer O-Ring, 4079 Compound, 75A Durometer, Round, Black
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Kalrez Perfluoroelastomer O-Ring, 4079 Compound, 75A Durometer, Round, Black

Available in multiple versions

2 customer reviews

Price: $6.64 - $2,842.97
Product Specifications
Brand Name Small Parts
Material Type Kalrez Perfluoroelastomer - 4079
Hardness 75 A Durometer
System of Measurement Inch
Color Black
Cross Section Shape Round
LowerTemperature Range 32  Degrees Fahrenheit
Upper Temperature Range 600  Degrees Fahrenheit
Durometer 75a
UNSPSC Code 31410000

This O-ring is made of black Kalrez 4079 (perfluoroelastomer) and has a du... Read full product description



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Currently showing 1-20 of 368 Next »
Size Nominal Inside Diameter Nominal Outside Diameter Nominal Width Inside Diameter Outside Diameter Overall Width Number of Items Part Number Price Quantity
   
001 0.029 inches 3/32 inches 0.04 inches 0.029 inches 3/32 inches 0.04 inches 1 B0056IQ18Q
In Stock (2)
$17.39
Prime Eligible
002 0.042 inches 9/64 inches 0.05 inches 0.042 inches 9/64 inches 0.05 inches 1 B0056IRCEI
In Stock (1)
$30.50
Prime Eligible
003 0.056 inches 3/16 inches 0.06 inches 0.056 inches 3/16 inches 0.06 inches 1 B0056IREYQ
In Stock (5)
$29.37
Prime Eligible
004 0.07 inches 13/64 inches 0.07 inches 0.07 inches 13/64 inches 0.07 inches 1 B0056IRHMA
Usually ships in 3 to 5 weeks
$19.06
+ $9.85 Shipping
005 0.101 inches 7/32 inches 0.07 inches 0.101 inches 7/32 inches 0.07 inches 1 B0056IRLM6
In Stock (2)
$6.64
Prime Eligible
006 0.114 inches 1/4 inches 0.07 inches 0.114 inches 1/4 inches 0.07 inches 1 B0056IRODM
In Stock (1)
$24.99
Prime Eligible
007 0.145 inches 9/32 inches 0.07 inches 0.145 inches 9/32 inches 0.07 inches 1 B0056IRRRK
In Stock (2)
$24.99
Prime Eligible
008 0.176 inches 5/16 inches 0.07 inches 0.176 inches 5/16 inches 0.07 inches 1 B0056IRU9A
In Stock (3)
$26.37
Prime Eligible
009 0.208 inches 11/32 inches 0.07 inches 0.208 inches 11/32 inches 0.07 inches 1 B0056IRWN4
In Stock (2)
$26.83
Prime Eligible
010 0.239 inches 3/8 inches 0.07 inches 0.239 inches 3/8 inches 0.07 inches 1 B0056IRZVI
In Stock (19)
$8.87
Prime Eligible
011 0.301 inches 7/16 inches 0.07 inches 0.301 inches 7/16 inches 0.07 inches 1 B0056IS300
$23.81
+ $4.56 Shipping
012 0.364 inches 1/2 inches 0.07 inches 0.364 inches 1/2 inches 0.07 inches 1 B0056IS6NY
In Stock (1)
$29.45
Prime Eligible
013 0.426 inches 9/16 inches 0.07 inches 0.426 inches 9/16 inches 0.07 inches 1 B0056IS972
In Stock (9)
$27.91
Prime Eligible
014 0.489 inches 5/8 inches 0.07 inches 0.489 inches 5/8 inches 0.07 inches 1 B0056ISC3I
In Stock (2)
$30.05
Prime Eligible
015 0.551 inches 11/16 inches 0.07 inches 0.551 inches 11/16 inches 0.07 inches 1 B0056ISEL8
In Stock (1)
$30.82
Prime Eligible
016 0.614 inches 3/4 inches 0.07 inches 0.614 inches 3/4 inches 0.07 inches 1 B0056ISGLG
In Stock (1)
$32.52
Prime Eligible
017 0.676 inches 13/16 inches 0.07 inches 0.676 inches 13/16 inches 0.07 inches 1 B0056ISJFO
In Stock (1)
$33.61
Prime Eligible
018 0.739 inches 7/8 inches 0.07 inches 0.739 inches 7/8 inches 0.07 inches 1 B0056ISM9W
In Stock (1)
$34.68
Prime Eligible
019 0.801 inches 15/16 inches 0.07 inches 0.801 inches 15/16 inches 0.07 inches 1 B0056ISPC6
In Stock (1)
$38.31
Prime Eligible
020 0.864 inches 1 inches 0.07 inches 0.864 inches 1 inches 0.07 inches 1 B0056ISRDI
Usually ships in 3 to 5 weeks
$27.93
+ $9.85 Shipping
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Product Features

  • Made of Kalrez 4079 (perfluoroelastomer) for use with a variety of chemicals and fuels
  • Durometer (hardness) of 75A for resistance to penetration
  • Round cross-section to provide a seal between cylindrical overlapping surfaces
  • For use across a wide temperature range from 32 degrees F/0 degrees C to 600 degrees F/316 degrees C
  • Meets standards defined by Aerospace Standard AS568A

Product Details

  • Shipping Information: View shipping rates and policies
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B0056IWQ44
  • Average Customer Review: 3.0 out of 5 stars  See all reviews (2 customer reviews)
  • Product Warranty: For warranty information about this product, please click here

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Product Description

This O-ring is made of black Kalrez 4079 (perfluoroelastomer) and has a durometer of 75A. It has a round cross-section and can be used across a wide temperature range (from 32 degrees F/0 degrees C to 600 degrees F/316 degrees C). Designed for use in a wide variety of sealing applications, this Kalrez O-ring meet standards defined by Aerospace Standard AS568A, which is the Aerospace Size Standard for O-rings.

Kalrez 4079 (perfluoroelastomer) has a low compression set and high resistance to many reactive gases, plasmas, alkalis, acids and solvents. It performs well in mechanical applications, under temperature cycling, and exhibits low swell in acids, and aldehydes. Kalrez 4079 is vulnerable to super-heated steam and molten or gaseous alkali metals. DuPont manufactures Kalrez in facilities that are ISO 9000 and AS 9100 registered for quality assurance.

The durometer hardness of this Kalrez O-ring is 75A. Durometers measure 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, a value of 0 indicates that a sample was completely penetrated, while a value of 100 shows no indentation in the sample. The letter following the number identifies the shore scale, which is either shore A or D. Shore A is used for softer plastics, while shore D is used for harder plastics.

O-rings 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 AS568A dash sizes, which is the standardized sizing for O-rings, and defines the nominal inside diameter (ID), outer diameter (OD), and cross-sectional (CS) diameter of an O-ring.


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Most Helpful Customer Reviews

By Wil Barwick on September 10, 2014
Size: 010Nominal Width: 0.07Overall Width: 0.07Outside Diameter: 3/8Inside Diameter: 0.239Nominal Inside Diameter: 0.239Number of Items: 1Nominal Outside Diameter: 3/8 Verified Purchase
Great price and selection.
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0 of 1 people found the following review helpful By Adam on February 6, 2015
Size: 003Nominal Width: 0.06Overall Width: 0.06Outside Diameter: 3/16Inside Diameter: 0.056Nominal Inside Diameter: 0.056Number of Items: 1Nominal Outside Diameter: 3/16 Verified Purchase
These are very delicate. I ordered two a month ago and they costed me $9.30 each. I mangled one in my assembly and the other one tore. I went online to order a few more and found out that the price had TRIPLED to $26.86! No thanks!
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