Material Selection & Plastics Engineering

We're more than an injection molding company.  We are polymer experts. We leverage our expertise in plastics engineering to advise our clients on a key step in designing critical-use products: material selection. As a leader in custom contract manufacturing, we use our 60+ years of polymer expertise to assist our clients in selecting the most appropriate cost effective resin for their plastic product design. There are thousands of polymers to choose from.  As a custom contract manufacturing company, we offer our clients advise and in-depth testing and analysis of various polymers and composites to test and select the best resin(s) to meet the product requirements.  From high temperature resins to glass-filled resins, Kaysun has the engineering plastics expertise to help you navigate the plethora of polymers for your product.