WARCO (West American Rubber Company)

Established in 1910, West American Rubber is a Californian manufacturer that formulates, manufactures, and consistently delivers high-quality sheet, molded, extruded, and spliced rubber products.

As one of the few fully vertically integrated facilities complete with in-house mixing, R&D, and testing laboratories, WARCO’s specialty is in crafting truly custom products to satisfy even the most complex applications. Our chemists continue to develop thousands of formulations to meet countless specifications and the most stringent application requirements.

Products and Services

Uniquely suited as a truly custom rubber manufacturer, our team will supply rubber products to expertly fulfill your application. In the execution of this mission, our capabilities include:

• Standard & custom rubber manufacturing
• Sheet rubber
• Molded rubber
• Extruded & spliced rubber
• Research & development laboratory
• Application-specific rubber formulations
• In-house mixing
• Finished goods customization services
• Quality assurance testing

West American Rubber Company is ISO 9001 registered by NSF-ISR.

Manufacturing Processes

Our manufacturing processes include:

• R&D formulation
• Banbury in-house mixing
• Calendered sheet rubber
• Compression, transfer, and injection rubber molding
• Standard, microwave, hot feed, and cold feed rubber extrusion
• Rubber splicing & custom formulation for splicing
• Cryogenic deflashing
• Inline and autoclave vulcanization
• Physical testing including durometer, specific gravity, and rheological measurements