Full service supplier of plastic injection molded products and assemblies

Located in Anderson, South Carolina Proper Polymers is a full service supplier of plastic injection molded products and assemblies. From product design and feasibility support, through production mold manufacturing and production launch; Proper Polymers manages the entire program as an extended enterprise to our customer’s facilities.

With 21 injection molding presses, ranging from 77 Ton to 1500 Ton, including (4) Two – Shot (Multi-Material) presses. Proper Polymers can support the production of a wide range of products.

In addition to injection molding, Proper Polymers specializes in a number of assembly and secondary operations, including Sonic Welding, Heat Staking and Hot Stamping.

Proper Polymers success is due, in large part, to our in house, production mold manufacturing capabilities. As an extension of our Technical Center located in Warren, Michigan (Proper Tooling), Proper Polymers has the most extensive tooling capabilities of any production molder in the region. This is advantageous for both new programs and transfer programs.