Premium Grey Cardboard for Packaging & Apparel Applications
Product Overview
Our Grey Cardboard Folding Paper is a high-performance, eco-friendly material designed for packaging lining and shirt collar inserts. Made from 100% recycled fibers, this 450 GSM grey paperboard offers exceptional durability, flexibility, and sustainability-making it ideal for industries that demand both structural integrity and environmental responsibility.
With precise creasing resistance, moisture regulation, and skin-safe properties, this material is trusted by luxury packaging manufacturers and premium apparel brands worldwide. Below, we detail its key advantages, technical specifications, and real-world applications.
Key Benefits & Advantages
1. Superior Structural Support
High Rigidity & Fold Retention – Maintains shape even after repeated bending, making it perfect for custom packaging inserts and structured shirt collars.
Edge Crush Resistance (ECT: 18-22 kN/m) – Protects fragile items in transit by absorbing shocks and preventing box deformation.
Smooth Surface Finish – Ensures clean printing and branding for premium packaging while providing a comfortable feel in apparel applications.
2. Eco-Friendly & Safe
100% Recycled Content – Reduces environmental impact while maintaining high strength.
Oeko-Tex® Certified – Free from harmful chemicals, making it safe for direct skin contact in shirt collars.
Fully Recyclable & Repulpable – Aligns with sustainable packaging and fashion industry standards.
3. Cost-Effective & Versatile
Optimized for Die-Cutting – Minimal waste production, reducing material costs.
Compatible with PVA Glues & Heat Pressing – Easy to integrate into automated packaging and apparel production lines.
Works in Both Dry & Humid Conditions – Resists warping, ensuring long-term stability.
Primary Use Cases
✔ Packaging Industry Applications
Luxury Gift Boxes – Provides a premium uncoated look with excellent protection.
Electronics Packaging – Used as protective inserts for smartphones, watches, and fragile items.
Cosmetics & Perfume Trays – Prevents product movement while maintaining an elegant matte finish.
Wine & Spirit Dividers – Absorbs vibrations and prevents bottle collisions.
✔ Fashion & Apparel Industry Applications
Shirt Collar Inserts – Keeps collars crisp and structured even after multiple washes.
Jacket & Blazer Reinforcement – Used in lapels and cuffs for better drape and durability.
Handbag & Shoebox Stiffeners – Adds rigidity to high-end retail packaging.
Technical Specifications (Real Data from Lab Tests)
| Property | Test Method | Result | Industry Standard |
|---|---|---|---|
| Basis Weight | ISO 536 | 450 GSM ±5% | 380-500 GSM |
| Thickness | ISO 534 | 0.62 mm | 0.55-0.70 mm |
| Tensile Strength (MD) | ISO 1924-2 | 48 kN/m | 32-45 kN/m |
| Tear Resistance (CD) | ISO 1974 | 1,250 mN | 900-1,400 mN |
| Moisture Content | ISO 287 | 5.8% | 4-8% |
| Edge Crush Test (ECT) | TAPPI T839 | 20 kN/m | 15-25 kN/m |
| Flexural Rigidity | ASTM D1388 | 9.0 mN·m | 7-11 mN·m |
Why Choose Our Grey Cardboard?
✅ Proven Performance – Used by leading packaging and fashion brands for its reliability and consistency.
✅ Sustainable Choice – Meets FSC® and Oeko-Tex® standards, supporting circular economy initiatives.
✅ Customizable – Available in different thicknesses and sizes for tailored solutions.
✅ Cost-Efficient – Reduces waste and improves production efficiency.
Ordering & Customization Options
Standard Sizes: 700×1000mm / 800×1200mm
MOQ: 1 Metric Ton
Lead Time: 10-15 business days
Certifications: FSC®, REACH
Ideal for:
✔ Packaging Manufacturers (electronics, cosmetics, luxury goods)
✔ Apparel Brands (shirts, suits, handbags)
✔ Sustainable Product Developers
Eric Zhang | Songhong Paper
📱 WhatsApp: +86 189 3351 0249
📧 Email: 03@songhongpaper.com

