Bonded rubber is a natural or synthetic elastomeric substance that is permanently adhered to another hard material, usually metals like steel grades, aluminum and brass, although rubber is bonded to glass and plastic as well. The rubber is at first uncured, then injected or poured into a mold containing the metal substrate. The substances making up the rubber material must not bleed rapidly to the surface of the uncured stock.
Any type of rubber can be bonded to another harder material, including natural, pure rubber, neoprene, silicon, EPDM and nitrile. Each of these rubber compounds have unique benefits and qualities, including temperature resistance, water resistance, durability, ability to withstand high psi, continuous wear and contact with oil or chemicals. With each specific rubber offering unique capabilities, many manufacturers of rubber bonded to metal procedures offer custom design options so that the customer may get exactly what they want. Rubber effectively forms a water and air tight seal with metal with the use of an adhesive coating between the two. Types of adhesives that work well between metals and rubbers include industrial adhesives such as silicone and polyurethane. This forms many different products, usually for industrial rather than commercial use, including medical instruments, bearings, gears, plugs, washers, vibration dampeners, rubber lined tanks, building construction components, rubber-lined piping systems and many others.
Bonded Rubber - Da/Pro Rubber, Inc.