ESI's urethane division has over 34 years of experience in the industry. So regardless of the type or size of your project, we have the skilled technicians, equipment and technology to custom cast your urethane parts in a number of shapes, sizes and colors. We offer a complete line of polyether and polyester urethanes, ranging in hardness from Shore 10A to Shore 80D. At ESI, we can cast parts as small as a few ounces or up to several hundred pounds. We know the importance of "Critical Tolerance Production". ESI only designs and manufactures custom urethane parts to meet the most demanding engineered specifications. Elastomer Specialties, Inc. can help you in all stages of your project from tooling or design enhancement to the finished urethane part and will provide excellent service with prompt delivery. So, if you're looking for on site mold design and production, existing part enhancement, proto-typing or engineering, ESI is your solution provider!