Mirror Roller, Shanghai Donghui Roller is the excellent expert all over the world.
1. Materials: 20#, 45#, forge alloy steel (42GrMo,38GrMoAI), heating treatment and mechanical processing, hardness is HRC55~58.
2. Inner structure: single-layer, multi-layer screw, Z and other structure.
3. Processing: Hard Chrome plating (Dupont formula), chrommantel compact, adhesion strong.
4. Precision: temperature difference <= 1¡ãC, heating transform <= 0.02mm, concentric <= 0.005mm.
5. Application: plastics, leather, paper, metal, film and so on.
6. The max diametre: 1m, the max length: 10m.


Max Diametre£º1 m
Max Length£º10 m.