Cast Urethane Rings
Tougher in a Wide Range of Applications
PSI produces polyurethane rings made from tough, premium grade urethane, which ensures they will hold up in a wide range of applications. With our rings you will reduce equipment downtime and save on material costs. PSI offers custom sizes, formulas, colors, and durometers (hardness). We also offer tight tolerances, ground finishes and dual durometer rings.
PSI will help you develop prototypes and will deliver full production quantities when needed. Our custom rings have little or no tooling costs. PSI will custom formulate to meet your specific needs, including FDA wet or dry requirements.
Urethane rings maintain their elasticity and strength over the complete range of hardness. They can be stretched and still return to their original dimensions, even at high durometers.
On the other side of elasticity is compression. Urethane is better than rubber when it comes to compression set and has a broader range of durometers (hardness) to fit many applications. At PSI, we have custom formulations in a variety of durometers ranging from “dead” for shock absorbing and “rebound” for repeated flexing.
Urethane rings also maintain excellent resistance to chemicals, mineral-based oils, hydrocarbons, fats, greases, petroleum products, and specific solvents.
Industries Utilizing Cast Urethane Rings
Many industries rely on urethane rings for their needs, including:
Common Urethane Ring Applications:
- Capper Rings
- Packing Rings
- Tubular Springs
- Vibration Isolators
|Cast Polyurethane Ring Specs|
|Durometer Hardness||25 Shore OO|
40 Shore A
60 Shore A
70 Shore A
70 Shore D
|Standard Colors||Natural or peach colors available|
|Sizes||2.0″ I.D. / 4.0″ O.D.|
Thickness or Face: 1/2″
|Additional||Dual Durometers for Specialty Applications|
FDA Wet and Dry Formulas
The technicians at PSI can even formulate urethane to remain flexible in Arctic-like conditions and temperatures as high as 250 degrees Fahrenheit, or to sustain sudden drops in temperature. (Though we don’t recommend continuous use in water hotter than 180 degrees Fahrenheit.)
Call (800) 888-5156 or request a quote online at any time. You’ll speak with an experienced representative who will get to know your project and ring requirements. We’ll ask about the function of the ring, what it will meet, as well as the ID/OD dimensions and whether you’ll need on or off mandrel tolerances.
Custom Urethane Rings
Custom polyurethane rings are durable and have the ability to withstand a wide range of applications, reducing equipment downtime and saving on material costs. Learn more about custom urethane rings.
Comparing Urethane vs. Rubber Rings
So many industries turn to PSI Urethanes for urethane rings. Bottling companies use rings as torque wheels; companies with conveyor belt systems use them as bumpers; and still other production facilities will slip rings on a shaft and use them as an idler roller. As versatile as these rings are, there’s an important reason companies choose urethane over rubber, another popular material for industrial applications.
To learn more, please read the full Comparing Urethane vs. Rubber Rings article.
Urethane Rings: Applications, Benefits, and Choosing a Manufacturer
Urethane rings have several important applications and benefits due to their tough premium grade urethane, which ensures they will hold up in a wide range of applications. These rings can reduce equipment downtime and provide material cost savings.
To learn more, please read the full Urethane Rings: Applications, Benefits, and Choosing a Manufacturer article.
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