Core Advantages
Unmatched Durability
High Stiffness: Engineered to withstand handling and transportation, with a bending resistance exceeding 120 mN, ensuring jewelry remains protected during transit.
Moisture Resistance: Water-based PE coatings (optional) enhance resistance to humidity, critical for preserving gemstones and metal finishes.
Printability and Aesthetics
Smooth Surface: The coated top layer achieves 95% ink absorption uniformity, enabling vibrant, high-definition prints for logos and intricate patterns.
Custom Finishes: Supports foil stamping (e.g., gold/silver), embossing, and velvet lamination, aligning with luxury branding requirements.
Sustainability
Recycled Content: Manufactured with 30-50% post-consumer recycled pulp, certified by FSC and SGS for heavy metal compliance.
Eco-Friendly Coatings: Water-based adhesives and coatings reduce VOC emissions, meeting EU REACH and US FDA standards for food-contact materials.
Technical Specifications
| Parameter | Typical Values | Industry Standards |
|---|---|---|
| Grammage | 230-450 GSM | ISO 536:2019 |
| Thickness | 0.3-1.5 mm | ASTM D645-15 |
| Tensile Strength | 8-12 kN/m | TAPPI T494 om-16 |
| Brightness | 85-90% (ISO 2470) | FSC Mix/Recycled 认证标准 |
| Coating Type | Clay-coated (C1S) or PE-laminated | SGS 检测报告(重金属≤10ppm) |
Applications in Jewelry Packaging
Structural Design
Rigid Box Construction: Ideal for hinged or slide-out boxes, providing a luxurious feel with ≤1.5 mm thickness tolerance.
Insert Integration: Supports die-cut foam or velvet inserts for secure placement of rings, necklaces, and watches.
Branding Excellence
UV Spot Coating: Enhances logo visibility and texture, while anti-scratch coatings protect printed surfaces.
Embossing/Debossing: Creates tactile finishes that evoke premium craftsmanship, popular among high-end brands like MontBlanc and Patek Philippe.
Environmental Compliance
Certifications: FSC® Mix (FSC-C024388), SGS (Heavy Metal Free), and ISO 9001:2015 for consistent quality.
Closed-Loop Manufacturing: Water recycling systems reduce freshwater usage by 30%, aligning with Guangdong's green policies.
Customization and Services
Tailored Solutions:
Size: Custom sheets (e.g., 700x1000 mm) or rolls for automated production.
Surface Treatments: Matte/gloss lamination, anti-static coatings, or fragrance-impregnated layers for sensory appeal.
Supply Chain Efficiency:
Lead Time: 10-15 days for standard orders, with rush production options available.
Logistics: Direct access to Guangdong ports ensures cost-effective export to Europe, Southeast Asia, and the Middle East.
Market Validation
Client Portfolio: Trusted by jewelry brands in China and abroad, including 周大福 and De Beers, for premium gift sets and limited-edition collections.
Export Performance: Contributes to Guangdong's 16.7% share of China's paper production, with jewelry packaging exports growing 9.4% YoY in 2024.
Future-Proofing Sustainability
Jinqiao is investing in biodegradable variants (e.g., PLA-coated boards) and lightweight formulations (180-200 GSM) to meet evolving circular economy demands. By 2026, the company aims to achieve 100% renewable energy usage in its Dongguan facility, supported by provincial subsidies under the 14th Five-Year Plan.
Conclusion
Jinqiao Duplex Board Grey redefines luxury jewelry packaging through its blend of technical excellence, sustainability, and design versatility. As a cornerstone of Guangdong's packaging industry, it combines Made-in-China precision with global environmental standards, making it the preferred choice for brands seeking to deliver unforgettable unboxing experiences.

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
LinkedIn:https://www.linkedin.com/in/chen-songhongpaper-561022367/
Facebook:https://www.facebook.com/share/1BkX4E196x/?mibextid=wwXIfr
YouTube:https://youtube.com/@chensonghongpaper?si=ZgFz0baC-R-WRys_
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