Folding Carton with Tuck-Top and Auto-Lock Bottom for Confectionery Packaging
ISO 9001FSCMOQ 1000🆓 Free Sample
Diamond Member
Audited Supplier
Quick Specs
| Category | Folding cartons |
|---|---|
| Material | 350gsm C1S SBS Board / Soft-Touch Lamination / PET/PLA Window / Gold Foil / Water-Based Adhesive / Food-Safe Ink |
| MOQ | 1000 units |
| Price | $1.20-4.50/pc |
| Certification | ISO 9001, FSC |
| Sample | 3-5 days |
| Production | 7-15 days |
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Product Overview
The Bincai Tuck-Top Auto-Lock Bottom Folding Carton is purpose-engineered for artisanal chocolatiers, macaron bakeries, and premium confectionery brands requiring food-safe packaging that protects delicate products while presenting them beautifully at retail. The auto-lock bottom pop-opens in a single motion — no tape, no folding gymnastics — enabling bakeries to assemble 30+ boxes per minute during peak production. The optional die-cut PET window (or compostable PLA alternative) showcases the product while keeping it hygienically sealed, and the soft-touch lamination creates the velvety tactile experience that signals “premium” before the customer even sees the price tag. Manufactured by Guangdong Bincai Color Printing Co., Ltd. — ISO 9001:2015 and FSC Chain-of-Custody certified with 23 years of expertise — every carton uses food-safe, low-migration inks and water-based adhesives compliant with EU Framework Regulation (EC) No 1935/2004 for food contact materials.
Applications
| Industry | Application | Key Benefit |
|---|---|---|
| Artisan Chocolate | Truffle boxes, chocolate bar sleeves, bonbon assortments | Soft-touch lamination elevates perceived value; window showcases product |
| Macaron Bakeries | 4/6/12-piece macaron boxes, gift sets | Custom die-cut inserts hold each macaron securely without crushing |
| Patisserie | Petit four boxes, pastry carry-out, cake slice packaging | Auto-lock bottom supports weights up to 500g with zero failure |
| Gourmet Candy | Hard candy tins, nougat boxes, toffee assortments | Gold foil hot stamping matches premium positioning; food-safe throughout |
| Tea & Coffee | Loose leaf tea cartons, coffee bag sleeves, tea bag envelopes | Barrier coatings available for moisture-sensitive products |
| Corporate Gifting | Branded confectionery sets, holiday gift boxes, client appreciation | CMYK offset printing reproduces corporate colors and complex graphics |
Customization Options
| Option | Specification | Notes |
|---|---|---|
| Box Dimensions | 100×80×40mm to 300×250×100mm | Custom sizes available; standard tuck-top tooling for common sizes |
| Board Material | C1S SBS 300/350/400gsm, CCNB 350gsm, FBB 350gsm | SBS for premium white finish; CCNB for kraft/natural look |
| Window | Die-cut open, PET film, PLA compostable film, no window | PLA window maintains full compostability; PET for crystal clarity |
| Closure Style | Tuck-top (standard), tuck-top with slotted lock, tuck-top with thumb notch | Slotted lock adds security for shipping; thumb notch for easy open |
| Bottom Style | Auto-lock (recommended), 1-2-3 bottom, crash-lock | Auto-lock for production speed; 1-2-3 for budget manual assembly |
| Insert Options | Die-cut paper insert, molded pulp tray, plastic tray, no insert | Paper insert matches eco-positioning; molded pulp for compostable option |
| Surface Finish | Soft-touch, matte/gloss lamination, spot UV, aqueous coating | Soft-touch is the premium standard for confectionery |
| Hot Stamping | Gold, silver, rose gold, copper, holographic | Up to 3 foil colors; chocolate-brown foil on kraft creates artisan look |
| Printing | CMYK offset + 1-3 spot Pantone | Heidelberg 7+1 UV single pass; max 175 LPI |
| Food Safety | Low-migration ink, water-based adhesive, EU 1935/2004 compliant | Full migration testing documentation available |
| MOQ | 1000 units per design | Standard sizes from 500 units |
| Sampling | Digital proof (2 days) or physical sample (5-7 days) | Window + insert assembly included |
| Lead Time | 10-15 working days | Rush 7-day service available |
Production Specifications
| Specification | Detail |
|---|---|
| Board Material | 350gsm C1S SBS (Solid Bleached Sulfate), FSC Mix |
| Lamination | 25μm soft-touch BOPP, 180°C thermal bonding |
| Window Film | 0.2mm PET (crystal clear) or 0.3mm PLA compostable |
| Ink System | Low-migration offset, <10ppb benzophenone, EU 1935/2004 |
| Adhesive | Water-based PVA, formaldehyde-free, food-contact compliant |
| Hot Foil | ITW Kurz Luxor series, 160-180°C stamping |
| Daily Output | 1.7M+ boxes / day across dual factories |
| Press Lines | KBA Rapida 105 4-color (15,000 sheets/hr) × 3 / Heidelberg Speedmaster XL 7+1 UV × 2 / Bobst Expertfold gluer |
| Hot Foil | Bobst SP 102 BMA — 110–130°C, ±0.3mm registration, up to 3 foil colors |
Quality Assurance
| Checkpoint | Standard | Method |
|---|---|---|
| Food Safety Migration | <10ppb benzophenone, <50ppb total migration | GC-MS testing, TÜV SÜD certified lab |
| Auto-Lock Function | Secure lock, zero pop-open at 3× rated weight | Load test, random sampling 1:500 |
| Window Adhesion | ≥3N/15mm peel strength | Cross-hatch tape test; pass: no window lift |
| Soft-Touch Consistency | Haptic uniformity across full surface | Sensory panel + glossmeter (2-4 GU at 60°) |
| Hot Foil Registration | ±0.3mm positional accuracy | Optical comparator, every 500 sheets |
| Color Consistency | ΔE ≤ 2.0 vs. approved standard | X-Rite spectrophotometer, every 500 sheets |
| Dimension Accuracy | ±1.0mm | Caliper measurement, first article + random |
| Drop Test | 0.76m free-fall, 10 drops (ISTA 1A) | Pass: no bottom failure, no window detachment |
| Barcode Scanning | 100% first-pass scan rate | Symbol/Zebra verifier, grade B minimum |
| FSC Chain-of-Custody | Full traceability | FSC-STD-40-004 v3-0 |
Seven-Stage Quality Control Gates
| Gate | Stage | Inspection | Defect Trigger |
|---|---|---|---|
| G1 | Raw Material Incoming | Caliper, brightness, moisture 6.5–8.5%, FSC cert, food-safety migration cert | Off-spec caliper → batch rejection |
| G2 | Pre-Press & Plate | CTP plate curve, dot gain check, trapping analysis | Dot gain >22% → plate recalibration |
| G3 | Printing (Offset + UV) | Color ΔE ≤2.0, registration ±0.2mm, ink adhesion tape test 4B+, low-migration ink cert | ΔE >3.0 → ink formulation + press recalibration |
| G4 | Die-Cutting & Creasing | Dimensional ±0.3mm, scoring depth 45–55% board, zero edge burr, window cut clean | Blank >0.5mm → die adjustment |
| G5 | Gluing & Folding | Auto-lock bottom function, bond ≥4N/15mm, fold accuracy ±0.5mm, zero cracking | Bond <3N → glue pot check, fold misalignment → line stop |
| G6 | Window Patching | PET/PLA window adhesion ≥3N/15mm, zero clouding, optical clarity check | Window lift → adhesive temperature recalibration |
| G7 | Final QC & Packing | ISTA 1A drop (0.76m × 10 drops), visual cosmetic, barcode grade B+, count accuracy, food safety migration re-test | Drop failure → batch quarantine; migration fail → full batch reject |
Sustainability & Compliance
| Standard | Scope | Status |
|---|---|---|
| ISO 9001:2015 | Quality management system — design, production, delivery | Certified |
| FSC Chain-of-Custody | Fiber traceability — forest to finished box | FSC certified |
| FDA 21 CFR 176 | Food-grade paperboard (indirect contact — US) | Compliant |
| EU 1935/2004 | Food contact materials framework regulation | Compliant |
| GB 9685 | Food contact additives (China) | Compliant |
| REACH | EU chemical safety regulation | Compliant |
| RoHS | Hazardous substance restriction | Compliant |
| Soy-Based / Low-Migration Inks | <10ppb benzophenone, heavy-metal-free per EN 71-3 | Standard on all food packaging |
| PLA Window Option | EN 13432 compostable bio-film, ASTM D6400 | ASTM-certified |
| TÜV SÜD Migration Testing | GC-MS certified lab, total migration <50ppb | Annual certification |
Why Choose Bincai for Folding Cartons
- 23 years of folding carton expertise — established 2003, trusted by chocolatiers, bakeries, and premium confectionery brands across 60+ countries
- 18,000 sqm integrated facility — 10,000 sqm main plant + 8,000 sqm smart factory, expanded 2025, dedicated folding carton floor with climate-controlled storage
- KBA Rapida 105 4-color offset × 3 presses — 15,000 sheets/hr each, CMYK + spot, max 175 LPI for photo-quality confectionery packaging
- Heidelberg Speedmaster XL 7+1 UV × 2 — 7 colors + UV coating in single pass, metallic inks + soft-touch lamination in-line
- Bobst SP 102 BMA hot foil — up to 3 foil colors with ±0.3mm registration for premium gold/silver/rose gold branding
- Bobst Expertfold gluer — auto-lock bottom assembly at production speed, 30+ boxes/minute per line
- FDA + EU + GB food-safety compliance — full migration testing documentation, water-based PVA adhesive, low-migration inks, TÜV SÜD certified
- 1.7 million boxes daily capacity — dedicated 300K+ folding carton segment with 3-shift operation
- MOQ 1000 — startup-friendly with digital proof in 2 days, physical sample in 5–7 days
- PLA compostable window option — EN 13432 + ASTM D6400 certified for fully compostable confectionery packaging
Guangdong Bincai Color Printing Co., Ltd. — 23 years of packaging excellence. ISO 9001:2015 & FSC certified. 18,000 sqm Foshan facility (10,000+8,000 smart factory). Daily output: 1.7M+ boxes. Serving 60+ countries worldwide.
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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