The ETFE F40 roll coating technoloy is new that rotary sintering according o the requirements of different users,choose reasonalbe formula and the best thickness lining, to fused with the steel matrix in hot melt. Its characteristic is steel and plastic become an organic whole, binding force is strong, can expand and shrink in a synchronous way, not easy to delaminate, lining layer also has no lapped joint, no bubble, no pinhole, impact resistance strength is high, anti-permeability performance is good, the surface is smooth and bright like enamel, friction coefficient is small, not easy to scale, etc.