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No. 88 Huamao Road, Nanbin Street, Rui'an City, Wenzhou City, Zhejiang Province, China
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Bamboo cupstock is made of 100% bamboo pulp, suitable for manufacturing all types of food packaging boxes and disposable food containers.
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100% Bamboo Pulp Cupstock is a sustainable, food-safe raw material exclusively engineered for commercial manufacturers of disposable drink cups and food contact packaging. Made from 100% virgin bamboo pulp, this unbleached, uncoated, and non-laminated material delivers consistent performance for high-volume production, while aligning with global sustainable packaging mandates. Designed for commercial production clients and bulk procurement teams in the food and beverage packaging sector, our bamboo cupstock eliminates harmful additives, maintains natural bamboo properties, and meets strict international food contact safety requirements.
Our bamboo pulp cupstock offers a full range of customizable specifications to match diverse production needs, with strict tolerance controls:
Basis Weight: 150±5 g/m² to 350±10 g/m², with tolerance compliant with GB/T 451.2 and ISO 536 standards
Thickness: 235±15 μm to 490±15 μm, tested per GB/T 451.3 and ISO 534
Stiffness (MD/CD): ≥2.4/1.2 mN·m to ≥23.8/11.8 mN·m, verified via GB/T 22364 and ISO 2493 (Taber 15°)
Key Performance Metrics: D65 Brightness ≥77.0%, Cobb 60s ≤40.0 g/m², Edge Permeance ≤6 mm, Internal Bond Strength ≥110 J/m²
All batches are tested against dual national and international standards, including GB/T food packaging regulations and ISO quality control protocols, ensuring full regulatory compliance for global commercial distribution.
Items | Unit | Technical Description | Test Method | |||||||||
Basis Weight | g/m2 | 150±5 | 160±5 | 165±5 | 170±5 | 180±5 | 190±6 | 200±6 | 210±7 | GB/T 451.2 | ISO 536 | |
220±7 | 230±8 | 240±8 | 250±8 | 260±9 | 270±9 | 280±10 | ||||||
290±10 | 300±10 | 310±10 | 320±10 | 330±10 | 340±10 | 350±10 | ||||||
Thickness | μm | 235±15 | 255±15 | 260±15 | 270±15 | 285±15 | 300±15 | 310±15 | 325±15 | GB/T 451.3 | ISO 534 | |
340±15 | 355±15 | 360±15 | 375±15 | 385±15 | 395±15 | 405±15 | ||||||
420±15 | 430±15 | 445±15 | 455±15 | 470±15 | 480±15 | 490±15 | ||||||
D65 Brightness | % | ≥ 77.0 | GB/T 7974 | ISO 2470 | ||||||||
Cobb,60s | g/m2 | ≤ 40.0 | GB/T 1540 | ISO 535 | ||||||||
Edge Permeance | mm | ≤ 6 | GB/T 31905 | / | ||||||||
Smoothness | s | ≥ 4 | GB/T 456 | ISO 5627 | ||||||||
Internal Bond Strength | J/m2 | ≥ 110 | GB/T 26203 | ISO 16260 | ||||||||
Folding | MD | Bout | ≥ 20 | GB/T 457 | ISO 5626 | |||||||
CD | ≥ 30 | |||||||||||
Stiffness | MD/ | mN.m | ≥2.4/1.2 | ≥3.0/1.5 | ≥3.0/1.5 | ≥3.6/1.8 | ≥4.0/2.0 | ≥4.2/2.1 | ≥5.2/2.6 | ≥6.8/3.4 | GB/T 22364 | ISO 2493,Taber 15° |
≥7.8/3.9 | ≥8.8/4.4 | ≥9.8/4.9 | ≥10.4/5.1 | ≥10.8/5.3 | ≥11.8/5.8 | ≥12.8/6.3 | ||||||
≥14.2/7.0 | ≥15.8/7.8 | ≥17.8/8.8 | ≥20.8/10.3 | ≥21.8/10.8 | ≥22.8/11.3 | ≥23.8/11.8 | ||||||
Dirt | 0.1mm2~ 0.3mm2 | Each/m2 | ≤ 20 | GB/T 1541 | TAPPI T 437 | |||||||
>0.3mm2~ 1.5mm2 | ≤ 6 | |||||||||||
>1.5mm2 | Not Detected | |||||||||||
Moisture | % | 7.5±1.0 | GB/T 462 | ISO 287 | ||||||||
Our unbleached bamboo pulp cupstock is BPA-free, odorless, and free of toxic chemicals, helping your business meet EU, US, and Chinese food contact regulations, while supporting your brand’s ESG and zero-plastic sustainability goals. The natural bamboo formulation eliminates bleaching-related pollution, reducing your production’s environmental footprint.
With high bulk, uniform thickness, and excellent folding endurance (MD ≥20, CD ≥30), this material minimizes waste during die-cutting, cup forming, and high-speed production runs. Its superior edge penetration resistance reduces product defect rates, lowering your overall production costs and improving output efficiency.
High cleanliness, consistent stiffness, and zero foreign odors ensure your finished drink cups and food containers deliver a premium user experience, making it ideal for partnering with top-tier catering and beverage brands.
Disposable hot and cold drink cup manufacturing (coffee cups, tea cups, soda cups)
Disposable food container and takeaway box production
Fast food and catering service packaging
Baking and confectionery food contact packaging
For commercial manufacturing clients, we offer full customization of basis weight, thickness, and roll/sheet slitting dimensions to match your specific production equipment and product requirements. Our stable in-house production capacity supports large-volume bulk orders, with flexible lead times and consistent batch-to-batch quality to align with your production schedule.
Yes. Our food-grade bamboo cupstock complies with GB and ISO food contact safety standards, is BPA-free, unbleached, and contains no harmful additives, making it fully suitable for direct contact with hot and cold food and beverages.
We offer a complete range of basis weights from 150 g/m² to 350 g/m², with custom tolerance adjustments available for specialized production needs.
Absolutely. Its excellent edge permeance resistance and stable stiffness performance make it compatible with both hot beverage (up to 100°C) and cold drink cup production.
We offer flexible MOQs tailored to commercial manufacturing clients, with support for both trial production batches and large-scale ongoing bulk orders.