Duplex Board (Grey Back/Kraft Back)
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- Basis weight 150-450gsm
- Size Available in rolls or in sheets (customizable sizes)
- Raw material Recycled pulp
- Paper color White top, grey back or kraft back
- Coating Single side
- Printing 9 colors and up offset printing acceptable
Note: Customization is available based on customer requirements, including size, weight, and packaging.
Features
- Professional quality control system of gray back coated duplex cardboard
- Strong folding strength without edge break to ensure boxes and cartons quality
- Top white smooth coating duplex surface for well printing
- Stable ink absorbability and rich printing dots to ensure fast vivid printing
Properties
- Whiteness ≥85% ISO
- Smoothness ≥70sec (coating side)
- Moisture 6-8%
- Stiffness MD 2.6-15mN.m
- COBB ≤50g/m²
- Surface gloss ≥40%
- Printing intensity ≥1.2m/s
- Ink absorbency 25±5%
- Folding resistance ≥10times
Application
Used for producing medicine boxes, display stands, book covers, greeting cards, and advertising boards.
Packaging & Shipping