Custom Rubber & Plastics

The custom rubber products we produce at Sonfast include stamped, die cut, and molded components made of a variety of materials such as EPDM, SBR, neoprene, and buna-N rubber in multiple durometers. These materials are all renowned for their durability and feature resistance to oils, water, acids, and solvents. We can assist customers in the selection of the optimal material for a given application. Some of the custom products we supply include grommets, gaskets, weather stripping, insulator products, and stud bumpers. With a broad customer base that includes automotive, medical, defense, and consumer goods industries, our experienced team can provide any type and volume of rubber part needed.


Fabrication Process

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Die Cut

General Capabilities

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Made to Order
Engineering and Design


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Type of Products

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Battery Pads
Compression Rollers
Stud Bumpers
Threaded Stud Isolators
Weather Stripping

Production Volume

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High Volume
Large Scale Production Volume Run
Low Volume
Small Run
Large Run
Long Run
Small Run
Specialty Production Shop

Typical Lead Time

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Quote on job Basis
Rush Services
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