From Sustainable Materials to Automated Production: The Corrugated Box Manufacturing Journey
1. Raw Materials: The Foundation of Quality Boxes
Corrugated boxes rely on three key components:
- Kraft Linerboard – Made from virgin wood pulp (softwood species like pine) for superior strength
- Fluting Medium – Recycled paper processed into the wavy middle layer (A/B/C flute types)
- Starch-Based Adhesives – Water-resistant formulations for humid climates
Sustainability Focus:
- FSC-certified fibers now comprise 60%+ of US-bound exports
- Advanced de-inking processes enable 85%+ recycled content without quality loss
2. Precision Manufacturing Process
Modern facilities utilize fully automated production lines:
① Corrugation
- High-pressure rollers (180°C) form flutes at 150-300 meters/minute
- Adhesive application with precision spray systems (0.1mm accuracy)
② Lamination
- 3-7 layer combining for custom ECT ratings (32-55 lb/in²)
- Infrared drying ensures uniform bonding
③ Die-Cutting
- CNC-controlled machines achieve ±0.5mm tolerance
- Micro-perforation technology for easy-opening features
3. Cutting-Edge Technological Advancements
- Digital Printing
- 1200 dpi resolution for photorealistic branding
- Water-based inks meeting FDA food-contact standards
- Smart Packaging Integration
- RFID and NFC embedding for supply chain tracking
- Conductive inks for IoT-enabled damage detection
- Robotic Automation
- AI-guided quality inspection at 60 boxes/second
- Automated palletizing systems reducing labor costs
Siliangdi remains committed to innovation, quality, and service. We will continue developing and producing more eco-friendly, high-performance packaging materials, striving to provide exceptional packaging solutions for more enterprises. Together, we enhance brand value and market competitiveness.
Contact Us for Custom Sizes & Private Label Options
Email：packing@siliangdi.com
Email：SLD@siliangdi.com