Company Profile

Learn about our history, certifications, and commitment to your success. From engineering and logistics through manufacturing and distribution, The Rubber Group is the industry leader in custom molded rubber products for major OEMs with names that you’ll recognize.


Learn how we provide design and molding solutions for elastomers and thermoplastics. In addition to custom molding and standard products, we add value through design services and tooling. The Rubber Group injects quality and delivers results.

Chemical Compatibility

Find out which chemicals are compatible with natural rubber, SBR, GRS, butyl, EPR, EPT, EPDM, nitrile, Hydrin®, neoprene, Hypalon, urethane, polysulfide, silicone, fluorosilicone, and fluoroelastomers. From acetaldehyde to zinc sulfate, you’ll find the information that you need.

Molding Tolerances

Look up dimensional tolerances for A1 High Precision, A2 Precision, and A3 Commercial drawings from the Association for Rubber Product Manufacturers (ARPM) handbook. Each drawing designation includes millimeter and inch-based measurements for fixed and closure dimensions.

Flash and Surface Finish

Find flash and surface finish classes for molded rubber parts. Flash, the excess rubber resulting from cavity overflow, is common in rubber molding. The machined finish of a metal mold has a signficant effect on the surface finish or appearance of molded rubber products.