Double-wall heavy-duty corrugated shipping box engineered for glassware, ceramics, and fragile items — manufactured by Guangdong Bincai Color Printing Co., Ltd., a full-chain packaging enterprise with 22 years of experience (founded 2003). Our 18,000 sqm Foshan facility combines a 10,000 sqm main factory with KBA 1050 4-color and Heidelberg 7+1 UV presses and an 8,000 sqm smart factory (commissioned 2025) featuring dedicated corrugated production lines with automatic flatbed die-cutters. Daily output of 1.7 million boxes with ISO 9001:2015 and FSC Chain-of-Custody certifications. Every box is engineered for ISTA protocol compliance with burst strength testing, edge crush verification, and in-house drop-test certification.
Applications
- Glassware & Drinkware: Wine glasses, champagne flutes, tumblers, pint glasses, decanters — individually partitioned with die-cut foam cells that absorb impact from all directions
- Ceramics & Porcelain: Dinner plates, bowls, mugs, teapots, vase sets — custom cavity foam inserts prevent piece-to-piece contact during transit
- Candle & Fragrance: Glass jar candles, reed diffusers, essential oil sets — secured in foam nests that prevent glass-on-glass contact
- Electronics & Sensitive Equipment: Hard drives, medical devices, laboratory glassware, precision instruments — anti-static foam inserts available
- Subscription Box E-Commerce: Monthly subscription outer cartons for fragile product assortments — tear-strip opening for consumer-friendly unboxing
- Wine & Spirits: Single and multi-bottle wine shippers with die-cut pulp or foam bottle cradles — tested for UPS/FedEx single-parcel shipping
- Industrial Components: Automotive parts, CNC-machined components, optical lenses — heavy-duty crush resistance with custom cavity layouts
- Gift & Premium Unboxing: Retail-ready printed exterior for direct-to-consumer premium fragile product shipments
Customization Options
- Flute Construction: Double-wall BC-flute (6-7mm, 32-44 ECT, standard heavy-duty) / Double-wall EB-flute (4-5mm, lighter items with premium print surface) / Triple-wall AAC-flute (12-14mm, extreme protection for high-value items)
- Liner Material: Kraft 125-200gsm (cost-effective, standard) / White-top kraft (clean retail appearance) / Clay-coated white (premium offset print surface) / Moisture-resistant wax-coated (cold chain, freezer-grade)
- Printing: Flexographic 1-3 color (cost-effective for run sizes 1,000+) / Offset litho-laminated (full-color CMYK with Heidelberg 7+1 UV for 500+ units)
- Closure: Self-locking bottom (no tape, assembles in 2 seconds) / Pinch-bottom seal (tamper-evident, glue-sealed) / Tuck-top with tear strip / Standard RSC with tape seal
- Inserts: Die-cut EPE foam (closed-cell, water-resistant) / Die-cut EVA foam (premium presentation) / Molded pulp (sustainable, compostable) / Corrugated partition grid / Custom-fit die-cut corrugated cushion
- Opening Features: Perforated tear strip (curved or straight) / Zipper pull tear tape / Double tear strip for full-lid removal / Finger hole punch
- Branding: Inside-print surprise messaging / QR code printing / Matte/gloss lamination on litho-laminated boxes
- Size Range: 150×100×80mm (small electronics) to 600×400×400mm (large dinner sets) — custom tooling for non-standard dimensions
- Sustainability: FSC-certified liners / 100% recycled corrugated medium / Soy-based flexo inks / Water-based adhesives
Production Specifications
- Corrugated Board: BC-flute double-wall — 6mm-7mm combined thickness, B-flute (2.5mm) + C-flute (3.6mm) bonded with starch adhesive
- Burst Strength: 12-18 kg/cm² (Mullen test certified per TAPPI T810) — exceeds ISTA 1A requirements for fragile products
- Edge Crush Test (ECT): 32-44 lb/in for stacking strength — supports 6-high pallet stacking in warehouse storage
- Flat Crush Test: Per TAPPI T808 — verifies flute integrity after manufacturing and compression
- Flexographic Printing: Up to 3 colors, 100 LPI screen, registration ±1mm, water-based inks
- Offset Litho-Laminated: CMYK + spot colors at 175 LPI on Heidelberg 7+1 UV, laminated to single-face corrugated — premium graphics
- Die-Cutting: Bobst SP 102 flatbed automatic die-cutter with stripping station — ±0.3mm precision on corrugated
- Daily Output: 1.7M color boxes + dedicated corrugated capacity of 500,000+ medium-to-large boxes
Production Quality & Testing
- Mullen Burst Strength: TAPPI T810 standard — every production batch tested, minimum 12 kg/cm² for glassware-grade boxes
- Edge Crush Test (ECT): TAPPI T811 — verifies stacking load capacity, minimum 32 lb/in standard grade
- Flat Crush Test: TAPPI T808 — ensures flute structure integrity after die-cutting and folding
- Drop Test: ISTA 1A (single box, 10-drop sequence from 76cm) and ISTA 3A (parcel delivery simulation with compression + vibration + drop)
- Vibration Test: ISTA 3A random vibration profile — simulates truck/air transit for 60 minutes
- Compression Test: Top-load to failure — verifies stacked pallet performance in warehouse conditions
- Cobb Test: Water absorption ≤35 g/m² for kraft liners — critical for humid climate shipping
- Pin Adhesion Test: TAPPI T821 — verifies flute-to-liner bond strength after folding and vibration
- ISO 9001:2015: QC gates at incoming material, corrugating, die-cutting, printing, gluing, and final inspection
- FSC Chain-of-Custody: Full traceability on certified orders — FSC Mix or FSC Recycled credit available
