Polyurethane Durometer Explained | PSI Urethanes Inc., Austin,TX Cast Urethane Manufacturers

Polyurethane Durometer Explained | PSI Urethanes Inc., Austin,TX Cast Urethane Manufacturers

Durometer is a key area you should consider when creating a custom polyurethane formulation. The durometer is a measurement of the urethane's hardness, and the range of durometers at which urethane can be produced is extremely versatile.

In fact, urethane’s durometer can range from as soft as a marshmallow to as hard as a bowling ball, providing a variety of options for your part or product.

When determining what durometer is right for your product, there are a variety of items that should be considered, all impacted by the application of how your part will be used:

A: Tear Resistance
B: Compression Set
C: Rebound (Resilience)
D: Abrasion Resistance
E: Load Bearing Ability
F: Chemical/Water Resistance
G: Heat/Cold Resistance
H: Frictional Properties
I: Ability To Handle Dynamic Forces
J: Shock Absorption

For example, if you would like your custom urethane part to gain traction and grab onto something, then you would most likely need a softer durometer. On the flip side, if you are looking for a slick surface, you would need a harder durometer. Other items to consider when selecting an ideal durometer include the amount of weight the part will need to support, frequency and strength of any impact, compression and flexibility needs and much more.




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