High Stiffness Cardboard Black Paper Board Mixed Pulp / Wood Pulp

I. Core Features
AttributeTechnical Specification
Material Composition • Base: 100% virgin wood pulp (optical brightener-free) or FSC-certified recycled pulp (≥85% PCR)
• Coloration: Deep-layer pulp dyeing, double-sided uniform black (ΔE≤1.5)
Physical Properties • High Stiffness: 18-28 N·m/g (ISO 5628)
• Durability: Tear resistance ≥750 mN, folding endurance >150 MIT folds
• Surface Quality: Ultra-smooth (≤2.0 μm), matte/gloss finish (10-90 GU)
Functional Performance • Print Adaptability: Offset/gravure compatible (dot gain ≤12%), hot foil adhesion ≥95%
• Environmental: 100% recyclable, REACH SVHC compliant (219 toxins non-detect)

II. Primary Applications
SectorUse Cases
Luxury Packaging High-end watch/jewelry boxes, perfume sets, limited-edition electronics packaging (gold foil/UV embossing)
Premium Print & Design Museum-grade art portfolios, designer business cards, luxury invitations (laser cutting compatibility)
Display & Retail Gallery signage, premium product display trays, flame-retardant exhibition backdrops
Industrial Solutions Optical device baffles (99.8% light absorption), architectural models (load: 20kg/m²), EMI shielding

III. Competitive Advantages
Strategic Value Proposition
Black cardboard combines unparalleled depth of color with military-grade structural integrity, serving as the ultimate substrate for brands demanding luxury aesthetics, functional resilience, and sustainable credentials. Its compatibility with high-precision printing/finishing processes enables unmatched design freedom while meeting stringent international safety standards.