Types of PU Elastomer PU elastomers are made in a wide variety of hardnesses: from around 10 Shore A to over 60 Shore D. PU elastomers are generally tough abrasion-resistant materials with good chemical and solvent resistance. Hot Cast Elastomers High quality elastomers are based on isocyanate-terminated polyester or polyether prepolymers. The prepolymer is mixed … Continue reading Cast elastomers