- Made of translucent polyurethane for use with a variety of chemicals and applications
- Durometer (hardness) of 70A for resistance to penetration
- Round cross-section provides a seal between cylindrical overlapping surfaces
- For use across a wide temperature range from -60 degrees F/-51 degrees C to 212 degrees F/100 degrees C)
- Meets standards defined by Aerospace Standard AS568A
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Polyurethane O-Ring, 70A Durometer, Round, Translucent
|Price:||$2.44 - $28.97|
|Brand Name||Small Parts|
|Hardness||70 A Durometer|
|System of Measurement||Inch|
|Cross Section Shape||Round|
|LowerTemperature Range||-60 Degrees Fahrenheit|
|Upper Temperature Range||212 Degrees Fahrenheit|
This O-ring is made of translucent polyurethane and has a durometer of 70A... See more product details
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This O-ring is made of translucent polyurethane and has a durometer of 70A. It has a round cross-section and can be used across a wide temperature range (-60 degrees F/-51 degrees C to 212 degrees F/100 degrees C). Designed for use in a wide variety of sealing applications, this polyurethane O-ring meets standards defined by Aerospace Standard AS568A, which is the Aerospace Size Standard for O-rings.
Polyurethane is resistant to oil, weather, ozone , heat, electricity, abrasion, tearing and many chemicals. It performs well in low temperatures, but is not recommended for continuous use in high temperatures or with super-heated steam.
The durometer hardness of this polyurethane O-ring is 70A. 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.