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Urethane Polyurethane O-Rings

Common Names: Urethane, AU, EU, PU

Trade Names:  Adiprene®, Millathane®, Vibrathane®

General Description:

Polyurethane is an organic polymer. Polyurethanes are formed by reacting a polyol (an alcohol with more than two reactive hydroxyl groups per molecule) with a diisocyanate or a polymeric isocyanate in the presence of suitable catalysts and additives. Polyurethane is a widely used compound due to its superior strength, tear and abrasion resistance.  Polyurethane also provides excellent permeation resistance.



Service Temperature:

-65o to 225o F (-54o to 107o C).  Depending on compound and application


Popular Polyurethane O-Ring Materials

Don't see what you need?  
Please contact an application engineer for assistance in selecting the compound that provides the best combination of performance and price for your specific application. 

Marco CPD# Base Material Color Duro (Shore A) Relative Price Typical Inventory Level High Temp (F) Low Temp (F) Steam < 300 F Steam < 400 F Compression Set Chemical & Solvents Sunliight, Ozone, UV Wear Abrasion Permeation Vacuum Petroleum Oils & Hydraulics Fuels & Gas Brake Fluids
1 = Great    2 = Good    3 = Fair    4 = Poor
P1000  PolyUrethane  Translucent  70  $$$$$ Med 250 -65  2 1
High performance 70 durometer Polyurethane
P1001  PolyUrethane  Translucent  90  $$$$$ Med 250 -65  2 1
High performance 90 durometer Polyurethane
P1004  PolyUrethane  Translucent  90  $$$ Med 180 -30 3 1
General purpose 90 durometer Polyurethane
P1006  PolyUrethane  Translucent  70  $$$ Med 180 -30 3 1
General purpose 70 durometer Polyurethane


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