rubber bonded spacers with anti rust film

...Rubber Bonded Spacers – Temperature Resistant and Abrasion Resistant Rubber Bonded Spacers, also known as Rubber Separator or Rubber Stripper Ring Spacer, are high-performance rubber products designed for temperature ranges from -40°C to +120°C. They are made of rubber material, which provides excellent abrasion resistance. They come in a wooden box with anti-rust film inside for easy storage and transportation. These Rubber...

... a thin layer of isolation film on the surface of the rubber material, its main role is to prevent the film or semi-finished surface of the mutual bonding. It is often used in plasticizing, mixing, pressing and forming of raw rubber and rubber materials to...