Product Introduction: Guangdong Province Black Cardboard

May 20, 2025

Leave a message

White One Side Coated Customized Size Duplex Board C1s Paper Board

Product Definition & Core Features

Guangdong's Black Cardboard is a multi-layer composite board renowned for its deep, uniform black color, superior stiffness, and printing versatility. It is available in multiple variants to suit diverse needs:

Double-Sided Through-Black Cardboard: Engineered with consistent black coloration across both sides and the core, ideal for premium packaging and decorative applications.

Single-Sided Through-Black Cardboard: Features a deep black front and slightly lighter back, suitable for cost-effective packaging solutions.

Full Wood Pulp Black Cardboard: Manufactured with 100% virgin wood pulp, offering exceptional recyclability and durability.

Grey-Bottom Black Cardboard: Combines a black top layer with a grey base, commonly used for structural components in packaging.

Key Technical Parameters:

Basis Weight: 80–700 g/m² (single-layer) or customizable via lamination for higher grammages.

Stiffness: Transverse stiffness ≥55 mN·m, ensuring dimensional stability during forming and long-term use.

Surface Smoothness: Bekk smoothness ≥800 seconds, supporting high-definition printing and foil stamping.

Blackness: Achieves ≥98% optical density, ensuring deep, uniform coloration without fading.

Environmental Compliance: FSC-certified (SAI-COC-002362), chlorine-free, and RoHS-compliant, meeting EU and FDA food-contact standards.

Jin Qiao Single Black (600-750g)

2. Manufacturing Excellence & Innovation

Guangdong's Black Cardboard production integrates advanced technology and sustainable practices:

Multi-Layer Composite Structure:

Top Layer: Bleached chemical wood pulp (LBKP + DMOW) for enhanced brightness and surface strength.

Core Layer: Recycled pulp blended with wood flour to optimize adhesion and reduce delamination.

Bottom Layer: De-inked recycled pulp for anti-curling properties and dimensional stability.

 

Place contact us
WhatsApp:(+86)18933510649
email:02@songhongpaper.com
website:https://www.grayboardpaper.com/
address:(Factory Building) Hengyu Road 4th, Sandong Digital Park, Huicheng District, Huizhou City, Guangdong Province
YouTube:https://www.youtube.com/@SonghongPaperCardboard