Rubber ceramic liner have two forms :
1: Rubber + ceramic
This way is is a rubber-backed ceramic plate that is attached to the abrasive surface of the device with a high-strength adhesive.
2: metal + rubber + ceramic.
This way is a rubber and steel back ceramic plate composed of rubber, alumina ceramic plates and steel plates, which are fixed to the abrasive surface of the equipment by bolts welded to the steel plates.