Pioneer Rubber & Gasket

Ace Seal, LLC

Global Supplier of Molded Rubber Parts, Seals & More


Founded in 1982, Ace Seal is a Woman Owned supplier of O-rings, Rubber Seals, Gaskets, Custom Molded Rubber parts with global reach. Headquarters are located in the heart of Silicon Valley with worldwide ISO / TS 16949-2002 certified manufacturing facilities that allow us to give you the very best quality, price, and lead-time available in the industry.


Ace Seal continuously upgrades tooling and process technologies to insure that we are one of the world leaders in manufacturing of O-Rings, Rubber Seals and Molded Rubber Parts. Our single and multi-cavity tooling produces parts designed to your exact tight tolerances that can be molded from commercial or ASTM/MIL compounds. Our low cost tooling and quick turnaround satisfies the most demanding engineering and manufacturing teams and is a reason we are a top global o-ring supplier. Whether you need small quantities or high volume production runs, call Ace Seal for your custom molded rubber More... & plastic components.


 At Ace Seal our O-Rings are available in both U.S. and Metric sizes. We offer O-Rings and other seals in Nitrile, Viton, Silicone, Ethylene Propylene, Teflon and several other materials. We specialize in Spliced & Vulcanized o-rings with a quick turnaround time. Our close tolerances and exact specifications make Ace Seal a truly reliable o-ring supplier for all your sealing needs.

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New Technology Plastics, Inc.

An AS9100D with ISO9001:2015 certifications for distribution and fabrication of high-performance and general purpose plastic sheet, rod, tube and films. Our wide selection of inventory includes ABS, acrylics, acetals (Delrin), boltaron products, FEP, HDPE, Kel-F, laminates (G10-LE-CE) noryl, nylons, PEEK, PVDF, PVC, polycarbonates, royalite products, Teflon, UHMW, Ultem. We offer cut-to-size services and full CNC Machining capabilities. Friendly and expert sales service.


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Suppliers specializing in Distribution: Extrusion and Extrusion

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