
Heavy-Duty Corrugated Boxes — The Wood Crate Replacement
Our new-generation heavy-duty export boxes use 10–15 mm wall board (5-ply to 7-ply, imported kraft liner) with compression strength strong enough to stack 1 ton on an empty box. Foldable when empty to save return-freight and storage space.
Grades Available
| Item | BC (US kraft) | AA | BAC | AAA |
|---|---|---|---|---|
| Board thickness (mm) | 6 | 10 | 12 | 15 |
| Ply | 5 | 5 | 7 | 7 |
| Bursting strength (kPa) | ≥1500 | ≥1800 | ≥2500 | ≥3200 |
| Edge crush (N/m) | ≥7000 | ≥10000 | ≥15000 | ≥18000 |
| Max load (kg) | 100 | 300 | 500 | 800 |
| Moisture barrier | Optional | Optional | Optional | Standard |
| Weight saving vs wood crate | −60% | −55% | −50% | −45% |
| Typical use | Appliances, electronics | Furniture, machinery | Heavy machinery | Export heavy equipment, precision instruments |
Structures: lid-and-sleeve (telescopic), full-flap body + lid, pallet-ready bases, or built-in forklift feet. Common sizes: 1200×1000×1100 mm, 1200×800×1000 mm, 1100×1100×700 mm — custom on request.