Mirror Roller _JM03 Mirror roller, Donghui Roller is an expert. 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≤1℃, heating transform≤0.02mm, concentric≤0.005mm. 5. Application: plastics, leather, paper, metal, film and so on. Donghui Roller is an expert of Mirror roller. |
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