Moisture-Resistant Export Shipping Cartons
Built to Withstand Ocean Freight, Extreme Humidity & Container Rain
Ocean containers endure extreme temperature cycling, creating ceiling condensation that drips onto cargo stacks ('container rain'). Standard corrugated boxes absorb this moisture, lose 70% of their stacking strength, and collapse. TopWay's Export Packaging combines hydro-resistant sizing, water-repellent barrier coatings, and moisture-proof adhesives to ensure cartons remain rock-solid across 45-day sea voyages.
Why Exporters Choose Our Export Cartons
Calibrated with low Cobb 60 water-repellent kraft to withstand maritime humidity and 8-tier container stacking.
Calibrated Cobb 60 Barrier
Exterior kraft liner sheds surface condensation with water absorption ratings under 30 g/m².
Anti-Fungal & Mold Shield
Treated with eco-compliant antimicrobial agents that prevent mold, mildew, and odor formation.
Sea-Freight Humidity Endurance
Retains over 85% structural stacking rigidity even in 90%+ relative humidity maritime conditions.
Export Corrugated Carton Specifications
Every order is customizable to your exact mechanical loading and dimensional footprint requirements.
| Specification Parameter | Technical Range / Capability |
|---|---|
| Water Absorptiveness | Cobb 60 < 30 g/m² per IS 1060 (Cobb 60) testing |
| Wall Structure | Heavy 5-Ply BC double wall or 7-ply triple wall |
| Adhesive Type | Cross-linked water-resistant resin starch adhesive |
| Pallet Optimization | Engineered for 100% surface utilization on 1200x1000mm pallets |
| Temperature Range | Performs from -20°C (reefer containers) to +65°C (tropical hold) |
| Compliance | Complies with FEFCO standards and international sea-freight codes |
Where Export Cartons Are Used
Require Engineering Samples for Testing?
Every batch is supplied with certified lab reports for Cobb 60 water absorption, Mullen burst and Edge Crush Test.