Pneumatic Seals

Chesterton's exclusive thermoset polyurethanes (ELI) are the most advanced seal materials that provide superior performance in hydraulic, pneumatic, and rotary equipment. This state-of-the-art polymer technology has been field-tested and proven in the most demanding applications around the world.
A&S Seals Co., Ltd. is a global supplier of Chesterton Seals, A&S Seals and many more. focusing on the various brands of seals supply