Compostable Kraft Paper Food Box with PLA Window Sustainable
ISO 9001FSCMOQ 500-1000🆓 Free Sample
Diamond Member
Audited Supplier
Quick Specs
| Category | Kraft eco boxes |
|---|---|
| Material | FSC Kraft Board / PLA Window / Soy Ink |
| MOQ | 500-1000 units |
| Price | $0.25-3.00/pc |
| Certification | ISO 9001:2015, FSC Chain-of-Custody, EN 13432, ASTM D6400 |
| Sample | 3-5 days |
| Production | 7-15 days |
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Product Overview
Guangdong Bincai Color Printing Co., Ltd. — founded in 2003 and recognized among China’s leading eco-packaging manufacturers — presents its certified compostable kraft paper food box with a crystal-clear PLA (polylactic acid) window. Featured in global packaging trade publications for advancing sustainable food-service solutions, our factory operates at a daily output of 1.7 million color boxes plus 220,000+ rigid gift boxes from our 18,000 sqm facility.
Manufacturing Excellence & Equipment
This fully biodegradable food box is printed exclusively with soy-based inks on the KBA Rapida 105 4-color offset press at 15,000 sheets/hour for vibrant CMYK brand printing, complemented by the Heidelberg Speedmaster CD 102 7+1 UV with inter-deck UV curing for specialty finishes and instant-dry output. Precision die-cutting on the Bobst SP 102 BMA (±0.15mm tolerance) ensures perfect PLA window apertures and clean fold lines for consistent box assembly.
Produced at our 18,000 sqm dual-factory campus (10,000 sqm established plant + 8,000 sqm smart factory commissioned 2025) with automated guided vehicles and inline camera QC systems, each box combines FSC-certified kraft board with a plant-derived PLA viewing window. With 23 years of packaging expertise since 2003 and ISO 9001:2015 certification, we offer MOQ starting at 500 units with free pre-production samples. This makes it the ideal choice for restaurants, meal-prep services, bakeries, and deli counters seeking EN 13432 and ASTM D6400 compliant takeout packaging that decomposes in industrial composting facilities within 90 days.
Applications
| Application | Details |
|---|---|
| Hot Food Takeout | Perfect for burgers, wraps, and fried foods served at quick-service restaurants — the ventilated kraft structure resists grease penetration while the PLA window lets staff verify order accuracy before handing to customers. |
| Bakery & Pastry Display | Showcases croissants, muffins, danishes, and cookies through the clear PLA window while the kraft board’s natural rigidity protects delicate baked goods from crushing during transport and shelf display. |
| Meal-Prep & Delivery Services | Ideal for portioned meal-prep containers shipped weekly to subscribers — the compostable materials align with zero-waste brand values and customers can dispose of the entire box in municipal compost bins. |
| Salad & Cold Deli Packaging | Keeps fresh salads, wraps, and sandwich combos visible and appetizing behind the PLA window; the kraft board’s moisture-resistant interior coating prevents wilting and sogginess during refrigerated storage. |
| Farmers’ Market Produce Boxes | Small-batch produce growers use these boxes to package heirloom tomatoes, berries, and microgreens — the window lets shoppers inspect freshness while the compostable message reinforces farm-to-table authenticity. |
| Catering & Event Food Service | Buffet-style caterers pre-portion individual servings in windowed boxes for corporate lunches and weddings, elevating presentation beyond generic clamshells while meeting venue sustainability requirements. |
| Artisan Chocolate & Confectionery | Boutique chocolatiers display handcrafted truffles and pralines through the PLA window, with custom kraft printing that communicates artisanal quality and ethical sourcing to premium buyers. |
| Frozen Food Retail Packaging | Suitable for frozen dim sum, dumplings, and prepared meals sold in supermarket freezer aisles — the box withstands sub-zero temperatures without brittleness and the window allows shoppers to inspect product integrity. |
Customization Options
| Option | Available Choices |
|---|---|
| Size Range | Custom dimensions from 80×80×30mm to 400×300×120mm; stock sizes available for immediate sampling |
| Material — Outer Board | FSC-certified kraft paperboard: 250gsm, 300gsm, 350gsm, 400gsm; or 157gsm art paper laminated to 1.5–3.0mm greyboard for rigid construction |
| Material — Window | PLA film (plant-derived, certified compostable): 30μm, 50μm, 80μm gauge; anti-fog coating option for hot-food applications |
| Print Method | CMYK offset lithography on KBA 1050 4-color press up to 15700 sheets/hour; Pantone spot color matching; flexographic printing for large-volume single-color runs |
| Ink Type | Soy-based vegetable inks (low-VOC, food-safe, heavy-metal-free); water-based flexo inks for uncoated kraft surfaces |
| Finishes | Matte aqueous coating (food-contact safe), gloss aqueous, soft-touch velvet feel, matte/gloss lamination, spot UV highlight on logo |
| Foil Colors | Gold, silver, rose gold, copper, holographic, matte black, red, green, blue hot foil stamping |
| Window Shape & Placement | Custom die-cut window: rectangle, circle, oval, heart, arched, or product-silhouette shapes; front panel, lid, or side-panel placement |
| Closure Type | Tuck-top with locking tab, auto-lock bottom, crash-lock base, magnetic snap flap, or adhesive peel-and-seal strip |
| Interior Coating | PE-free aqueous moisture barrier (compostable), PLA lining, or uncoated natural kraft for dry foods |
| MOQ | 500–1000 units for custom print; 300 units for stock sizes with hot-stamp logo; lower trial quantities negotiable |
| Color Options | Full CMYK spectrum with Pantone matching; single-color kraft brown (natural), bleached white kraft, or coloured kraft board (black, navy, forest green) |
Production Specifications
| Specification | Detail |
|---|---|
| Printing Press | KBA Rapida 1050 4-color offset press (15,700 sph max) + Heidelberg Speedmaster XL 7+1 UV |
| Die-Cutting Equipment | Bobst Visioncut 106 LER flatbed die-cutter with ±0.1mm registration accuracy; Heidelberg cylinder die-cutter for long runs |
| Folding & Gluing | Bobst Expertfold 110 A2 folder-gluer with automated crash-lock and 4-corner capability |
| Window Patching | Heiber+Schröder window patcher applying PLA film with hot-melt compostable adhesive (EN 13432 certified) |
| Board Grades (Kraft) | 250gsm / 300gsm / 350gsm / 400gsm FSC Mix or FSC 100% certified kraft paperboard |
| Board Grades (Greyboard) | 1.5mm / 2.0mm / 2.5mm / 3.0mm recycled greyboard for rigid box lamination |
| Daily Output | 1.7 million color-printed boxes + 220,000+ luxury rigid gift boxes |
| Factory Area | 18,000 sqm total: 18,000 sqm integrated facility (10,000+8,000 smart factory) expansion (completed 2025) |
| Certifications | ISO 9001:2015 Quality Management; FSC Chain-of-Custody (CU-COC); EN 13432 Industrial Compostability; High-Tech Enterprise (Guangdong Province) |
| Sample Policy | Free pre-production sample for order confirmation (customer pays freight); digital 3D proof within 24 hours |
| Lead Time | 7–15 working days for standard production; 5–7 days for rush orders with surcharge |
| Packaging for Shipment | Flat-packed in corrugated master cartons (25–200 units/carton depending on size); shrink-wrapped inner bundles; palletized on export-grade heat-treated pallets |
| Workforce | 80+ skilled technicians and quality specialists across two production shifts |
| Ink Compliance | Soy-based inks meeting EN 71-3 (heavy metals), CONEG, and FDA 21 CFR indirect food additive requirements |
Quality Assurance
| Test | Method | Standard |
|---|---|---|
| Board Thickness Tolerance | Digital micrometer, 5-point measurement per sheet | ±0.05mm from nominal caliper |
| PLA Window Clarity | Haze meter (ASTM D1003) | Haze value ≤ 8% for 50μm film |
| Print Registration | 10x loupe inspection at gripper and tail edges | ±0.1mm CMYK-to-CMYK registration |
| Color Consistency (ΔE) | X-Rite eXact spectrophotometer, CIELAB ΔE 2000 | ΔE ≤ 2.0 across production run; ΔE ≤ 1.5 for brand-critical Pantone spot colors |
| Glue Bond Strength | T-peel test on bonded flaps at 23°C/50% RH | ≥ 5 N/cm peel force; no fiber tear below 3 N/cm |
| Window Adhesion | 90° peel test on PLA-to-kraft bond | ≥ 4 N/cm; no window detachment after 48h at 40°C/75% RH |
| Surface Finish Visual | D65 illuminant viewing booth, 0°/45° geometry | No visible scratches, orange peel, pinholing, or coating voids at 600mm viewing distance |
| Abrasion Resistance | Sutherland Rub Tester, 4-lb weight, 100 cycles | No ink transfer or coating breakthrough; ≤ 5% gloss reduction |
| Moisture Resistance (Internal) | Cobb test (TAPPI T441), 2-minute water exposure | ≤ 35 g/m² water absorption for aqueous-coated kraft |
| FSC Chain-of-Custody | Transaction certificate per shipment batch | 100% traceability from certified forest to finished box; FSC-STD-40-004 compliant |
| ISO 9001 Traceability | Lot-number coding on every carton | Full raw-material-to-shipment traceability within 4 hours |
| Drop Test | ISTA 1A: 10-drop sequence from 760mm height | No structural failure; window intact; contents undamaged |
| Compostability Verification | EN 13432 / ASTM D6400 independent lab testing | ≥ 90% disintegration within 12 weeks; ≥ 90% biodegradation within 180 days; no ecotoxicity |
| Heavy Metals (Ink) | ICP-MS digestion, EN 71-3 migration limits | Pb < 90 ppm, Cd < 75 ppm, Hg < 60 ppm, Cr(VI) < 60 ppm, Sb < 60 ppm, As < 25 ppm, Ba < 1000 ppm, Se < 500 ppm |
| Food Contact Safety | Overall migration testing per EU 10/2011 | ≤ 10 mg/dm² total migration for all food simulants |
Why Choose Bincai
23 years · ISO 9001 · FSC Certified · 1.7M boxes/day · 200+ global brands
| 🏭 Experience | 23 years since 2003 |
| 📐 Factory | 18,000m² (10,000+8,000 smart factory) with KBA & Heidelberg presses |
| ✅ Quality | ISO 9001:2015 certified |
| 🌿 Eco | FSC certified sustainable materials |
| 🚀 Capacity | 1.7M+ color boxes + 220K+ gift boxes daily |
| 🎨 Custom | Any size, color, finish, insert |
| 📦 MOQ | 500-1000 pcs, trial orders accepted |
| 🆓 Sample | Free pre-production sample (freight collect) |
| 🌍 Shipping | Worldwide DHL/FedEx/UPS/Sea |
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