FSC Certified Kraft Tray Box with Soy Ink Food-Safe Packaging

Quick Specs
| Category | Kraft eco boxes |
|---|---|
| Material | FSC Kraft Board 300-400gsm / Soy-Based Ink / Water-Based Adhesive |
| MOQ | 1000-2000 units |
| Price | $0.20-0.80/pc |
| Certification | ISO 9001, FSC |
| Sample | 3-5 days |
| Production | 7-15 days |
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Product Overview
The FSC-certified kraft tray box with soy-based ink is purpose-built for food brands that refuse to compromise between sustainability and food safety. Every component — from the FSC Chain-of-Custody certified kraft board to the soy-based offset inks to the water-based adhesive — is food-contact safe and fully compostable in industrial facilities (EN 13432 certified). Manufactured by Guangdong Bincai Color Printing Co., Ltd. — ISO 9001:2015 and FSC certified with 23 years of packaging expertise — this tray box is printed on our KBA 1050 4-color offset press with vegetable-based inks that contain zero petroleum-derived solvents. Our 18,000 sqm Foshan factory (10,000+8,000 smart factory) has a dedicated food-grade production zone with positive air pressure, UV-C sterilization, and full material traceability from forest to box. Read our comprehensive guide to sustainable packaging at Bincai and explore our cross-industry food packaging solutions. Browse all kraft eco boxes in our product line.
Design Features
- 100% Compostable Construction: FSC-certified kraft board (300-400gsm) + soy-based ink + water-based starch adhesive — no plastic, no petrochemicals, no synthetic laminates. Certified compostable to EN 13432.
- Foldable Tray Architecture: Die-cut self-locking tray design — ships flat, assembles in 2 seconds. Corner locking tabs eliminate adhesive at assembly points, preserving food safety integrity.
- Soy-Based Offset Printing: Vegetable-derived ink with <2% VOC content (vs. 30-40% for conventional petroleum inks) — vibrant CMYK reproduction without toxic off-gassing. FDA 21 CFR compliant for indirect food contact.
- Grease-Resistant Interior: Natural clay-coated kraft liner provides moisture and grease barrier without plastic PE/PLA lamination — suitable for baked goods, pastries, and dry food products.
- No Plastic Window: Die-cut open window or optional compostable PLA film window — never PVC or PET.
Applications
- Artisan Bakeries: Croissants, sourdough loaves, cookies, and pastries — stackable tray design for counter displays.
- Organic Food Brands: Granola, energy bars, dried fruit, nuts, and superfood powders — eco-packaging that matches organic brand values.
- Meal Kit Services: Ingredient portion trays, recipe card holders, and spice sachet organizers — compostable alternative to plastic clamshells.
- Farmers’ Market Producers: Honey jars, jam pots, preserves — tray insert with die-cut holes for jar stability.
- Tea & Coffee: Loose leaf tea pouches, coffee bean samplers, tea bag envelopes — the kraft aesthetic communicates artisanal quality.
Customization Options
| Option | Specification |
|---|---|
| Printing | CMYK offset (KBA 1050) — soy-based ink, up to 4 colors |
| Board Stock | FSC kraft 250-450gsm, recycled kraft, unbleached kraft |
| Interior Coating | Natural clay coat (grease-resistant), compostable PLA film |
| Window | Die-cut open, compostable PLA film patch, or no window |
| Size Range | Small (100×80×40mm) to Large (400×300×100mm) |
| Tray Style | Standard tray, gusseted tray, display tray with header panel |
| Closure | Self-locking tabs, tuck-top, optional cotton string tie |
| Additional | FSC logo on-box, custom embossed logo, QR code to sustainability story |
Production Specifications
- Primary Press: KBA 1050 4-color offset (15,000 sheets/hr) — dedicated vegetable-ink line with automatic ink density control
- Die-Cutting: Bobst flatbed die-cutter with stripping station — clean edges, no fiber tear
- Adhesive: Water-based starch adhesive (food-grade) — applied on folder-gluer with precision nozzles at 0.02g per bond point
- Food-Grade Zone: ISO Class 8 cleanroom environment — positive air pressure, HEPA filtration, UV-C sterilization, pest control program
- Material Traceability: FSC Chain-of-Custody certification number available for on-box printing — full traceability from certified forest to finished box
- Daily Output: 1.7 million color boxes across all lines, 300,000+ food-grade boxes in dedicated zone
- QC Protocol: Food contact migration testing (EU 10/2011), compostability certification (EN 13432), Cobb water absorption, burst strength, glue bond > 3.5N/cm
- Lead Time: 7-10 days sample, 15-18 days mass production
Sustainability Credentials
| Certification | Details |
|---|---|
| FSC Chain-of-Custody | FSC-C147399 — full traceability from certified responsibly managed forests |
| EN 13432 | Industrial compostability — breaks down within 12 weeks, leaves no toxic residue |
| FDA 21 CFR | Soy-based inks compliant with indirect food contact regulations |
| ISO 9001:2015 | Quality management system certified since 2010 |
| BSCI | Social compliance audited — ethical labor practices throughout supply chain |
Quality Assurance
| Test | Standard | Specification |
|---|---|---|
| Overall Migration | EU 10/2011 | ≤ 10 mg/dm² total migration into food simulant |
| Specific Migration (Heavy Metals) | EU 10/2011, Annex II | Pb < 0.01 mg/kg, Cd < 0.002 mg/kg, Hg < 0.005 mg/kg |
| Sensory Testing | EN 1230-1 | No odor or taste transfer to food product |
| Cobb Water Absorption | ISO 535 | ≤ 30 g/m² (60-second test) — grease/moisture barrier verified |
| Burst Strength | ISO 2759 | ≥ 450 kPa for 350gsm kraft board |
| Ink Adhesion (Tape Pull) | ASTM D3359 | Rating 4B or higher — soy ink bond integrity after cure |
| Compostability | EN 13432 | ≥ 90% biodegradation within 6 months, ≤ 12 weeks disintegration |
| Glue Bond Strength | TAPPI T-541 | ≥ 3.5 N/cm peel strength — water-based adhesive verified |
| Microbiological Purity | ISO 4833-1 | Total aerobic count < 250 CFU/g on food-contact surface |
| Formaldehyde Content | GB 18580 | ≤ 0.05 mg/L emission — safe for enclosed food packaging |
FAQ
What is the minimum order quantity (MOQ) for FSC kraft tray boxes? Our standard MOQ is 1,000–2,000 units depending on size and customization complexity. For simple single-color kraft trays, we can accommodate orders as low as 1,000 pieces. Highly customized orders with embossing, PLA windows, or specialty die-cuts may require 2,000+ units. Contact our sales team for exact MOQ based on your specifications.
What food safety certifications does this packaging carry? Our FSC kraft tray boxes are manufactured in an ISO 9001:2015 certified facility with FSC Chain-of-Custody certification. The packaging meets EU 10/2011 food contact migration standards, FDA 21 CFR for indirect food contact (soy-based inks), and EN 13432 for industrial compostability. All materials — kraft board, soy ink, and water-based adhesive — are tested for heavy metal migration and sensory neutrality.
Is this packaging fully compostable? How long does it take to break down? Yes, the entire box is certified compostable to EN 13432. In industrial composting facilities (58°C, controlled humidity), the box disintegrates within 12 weeks and achieves ≥ 90% biodegradation within 6 months. The soy-based inks and water-based adhesive are also compostable — no components need to be separated before composting. Home composting is possible but takes longer (6–12 months).
Are there any printing limitations with soy-based ink on kraft board? Soy-based inks deliver excellent CMYK color reproduction on kraft board, though results differ slightly from coated white stock. The natural brown kraft color shows through, creating a warm, artisanal aesthetic. We recommend using bold colors and avoiding large areas of light pastels. Our KBA 1050 press with automatic ink density control ensures consistent color matching across production runs. Spot UV, embossing, and debossing are all compatible with soy ink printing.
How long does it take to receive samples and complete mass production? Sample delivery takes 7–10 business days from artwork approval. Mass production lead time is 15–18 business days after sample confirmation. With our 1.7 million boxes daily capacity and dedicated food-grade production zone, we can accommodate urgent orders with expedited timelines. Rush orders (10–12 days production) are available with advance scheduling.
Related Resources
- Sustainable Paper Box Packaging: Bincai’s Eco Manufacturing → — How our 18,000 sqm factory achieves zero-solvent production with soy-based inks, water-based adhesives, and FSC-certified materials for truly compostable packaging.
- Explore All Kraft Eco Boxes → — Browse our full eco-friendly range: kraft tray boxes, FSC-certified gift boxes, compostable food packaging, recycled kraft mailers, and plastic-free folding cartons.
Competitive Differentiation — FSC Kraft Tray vs Plastic Clamshell vs PE-Coated Box
Food packaging sits at the intersection of three competing demands: safety, sustainability, and cost. Plastic clamshells win on cost but fail on sustainability. PE-coated boxes fail on recyclability. A 100% FSC kraft tray box with soy ink wins on all three — and provides the documentation to prove it.
vs. PET Clamshell & PE-Coated Paper Box
| Factor | PET Clamshell | PE-Coated Box | Bincai FSC Kraft Tray Box |
|---|---|---|---|
| Recyclability | Technically recyclable (9% actual rate) | Not recyclable — PE/poly lining contaminates pulp stream | 100% recyclable — single-material kraft, no liners |
| Compostability | No | No | EN 13432 certified — industrial compostable within 90 days |
| Food Safety | Migration risk above 60°C | PE migration risk with fatty foods | Soy ink + uncoated kraft — EU 1935/2004 + FDA 21 CFR compliant |
| Carbon Footprint | 3.1 kg CO₂e/kg | ~1.8 kg CO₂e/kg | ~0.5 kg CO₂e/kg — FSC chain-of-custody verified |
| EU Plastic Tax (2026) | €0.80/kg | €0.80/kg (PE content) | €0.00 — zero plastic by weight, tax-exempt |
| Grease Barrier | Excellent (inherent) | PE liner | Mechanical barrier — 18-pt SBS + kraft lamination — no chemical coatings |
| Printing | Limited to label | 4-color offset | Heidelberg 7+1 UV soy ink — unlimited color, food-grade certified |
| Documentation | None | None | Full doc package: FSC C147399, EN 13432, soy ink migration test, ISO 9001:2015 |
Business impact: A European organic bakery shipping 20,000 pastry boxes/month switched from PE-coated boxes to Bincai FSC kraft trays. The per-unit cost rose ¥0.60, but the EU plastic tax savings alone (€800/month at €0.80/kg × ~1,000 kg PE) covered the entire incremental cost. Plus, the FSC + EN 13432 documentation package qualified the bakery for a premium retail chain’s “sustainable supplier” program — opening a ¥2.4M annual contract. The math: ¥0.60 × 20,000 = ¥12,000/month cost increase vs €800 tax savings + ¥200,000/month new contract.
Why Choose Bincai for Sustainable Food Packaging
| Feature | Bincai | Industry Typical |
|---|---|---|
| Food-Grade Production Zone | Dedicated ISO Class 8 cleanroom with positive air pressure, HEPA filtration, UV-C sterilization, and pest control program | Standard factory floor with no food-grade separation or air quality control |
| Soy Ink Technology | Soy-based offset inks with < 2% VOC on KBA 1050 press, automatic ink density control, FDA 21 CFR compliant | Petroleum-based inks with 30–40% VOC content, manual color matching, no food contact certification |
| FSC Traceability | Full FSC Chain-of-Custody certification — traceability from certified forest to finished box, certificate number printed on-box | Generic “eco-friendly” claims with no third-party forest certification or chain-of-custody documentation |
| EN 13432 Compostability | Complete box certified to EN 13432 — all components (board, ink, adhesive) independently verified compostable | Partial compostability — box may be kraft but uses petroleum inks or synthetic adhesives that contaminate compost |
| Lead Time | 7–10 days sample, 15–18 days production — 1.7M daily capacity with dedicated food-grade zone | 14–21 days sample, 25–35 days production — shared production lines with non-food packaging |
Seven-Stage QC Gates
| Stage | QC Gate | Inspection Detail |
|---|---|---|
| 1. Raw Material | FSC Certificate Check | Verify FSC Chain-of-Custody certificate number, kraft board weight (300–400gsm), moisture content ≤ 8%, and supplier CoC documentation |
| 2. Print | Soy Ink Verification | Confirm soy-based ink batch certificate, color density within ΔE ≤ 1.5 of approved proof, VOC content < 2%, ink adhesion tape-pull test |
| 3. Die-Cut | Bobst Precision Check | Dimensional tolerance ± 0.3mm, clean edge cuts with no fiber tear, crease depth verification, sample fold test for tray locking |
| 4. Gluing | Water-Based Adhesive QC | Adhesive batch food-grade certificate, bond strength ≥ 3.5 N/cm peel test, application weight 0.02g per bond point, open time verification |
| 5. Food-Grade Zone | Cleanroom Environment Audit | ISO Class 8 particle count, positive air pressure differential ≥ 15 Pa, UV-C sterilization log, pest control inspection, operator hygiene check |
| 6. Migration Testing | Food Contact Safety | EU 10/2011 overall migration test (≤ 10 mg/dm²), specific heavy metal migration (Pb, Cd, Hg), sensory evaluation (EN 1230-1), microbiological purity |
| 7. Final Audit | Pre-Shipment Inspection | AQL 2.5 sampling per ISO 2859-1, carton drop test, pallet integrity, FSC logo placement verification, compostability certificate enclosed |
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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