Feature product of the month O-PACK 35 series

Feature product of the month O-PACK 35 series
8/9/2023 3:33:42 PM

The O-Pack – 35 series is a U-cup with an O-ring inserted inside of it. The U-cup is manufactured at our facility in Bancroft Ontario and is made of liquid cast polyurethane. Our QA technicians measure the U-cups for accuracy and then insert the O-Ring into the U-Cup.

Technical Characteristics

A nitrile rubber O-Ring is loaded into a Universal seal U-cup to create our O-pack 35 series. The U-cup has the superior physical characteristics of a liquid cast polyurethane. This combination produces an excellent seal for use in standard hydraulic fluids. It is comparable to all loaded U-cups.


  • No embedded air bubbles.
  • Knife trimmed lips.
  • 4-6 weeks delivery on tooled sizes.
  • No tooling on standard sizes.
  • Universal quality assurance.

Our O-Pack provides performance confidence for clients because it has our robust U-cup made from Universal Seal.

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