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Coated Duplex Board (Grey Back) Technical Standard:
1. Basis Weight: 230gsm, 250gsm, 300gsm, 350gsm, 400gsm, 450gsm, 500gsm, 550gsm, 600gsm, 650gsm, 700gsm, 750gsm, 800gsm, 850gsm, 900gsm, 950gsm, 1000gsm.
2. Thickness: 0.28mm, 0.31mm, 0.36mm, 0.41mm, 0.46mm, 0.51mm, 0.56mm, 0.61mm, 0.66mm, 0.71mm, 0.76mm, 0.81mm, 0.86mm, 0.91mm, 0.96mm, 1.01mm, 1.06mm.
3. Moisture Content: 8-12%.
4. Brightness: ≥82%.
5. Smoothness: ≥120s.
6. Gloss: ≥55%.
7. Folding Endurance: ≥15 times.
8. Stiffness: ≥2.0 mN.m.
9. Cobb60: ≤50 g/m².
10. Printing Surface Absorption: 20-50%.
11. Coating: Double side coated.
12. Coating Material: Kaolinite.
13. Coating Weight: 15-20 g/m².
14. Coating Thickness: 10-13 μm.
15. Surface Treatment: Glossy.
16. Backside Color: Grey.
17. Application: Packaging, printing, and stationery.
Please note that the above information is a translation of the technical standard for Coated Duplex Board (Grey Back) into English..pdf
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