Shrimp Packaging Box — One Box, Two Temperature Zones
Shrimp distribution operates across two temperature regimes that most packaging materials handle poorly: fresh shrimp packed on ice at 0–4°C in retail-ready displays, and frozen shrimp block-frozen or IQF (individually quick frozen) at −18°C for wholesale and export. A wax-coated cardboard box can handle one or the other — but not both, and not for long.
PPBOXY’s shrimp packaging box is fabricated from twin-wall corrugated polypropylene that functions identically at both temperatures. At 0–4°C, sitting on a bed of crushed ice in a seafood display case, the waterproof PP walls prevent ice-melt water from softening the box structure. At −18°C, in a blast freezer or frozen storage facility, PP maintains full impact resistance — unlike waxed cardboard, which becomes brittle and cracks at freezer temperatures.
This dual-temperature capability means a single box format serves the entire shrimp supply chain: packing shed → cold storage → distribution center → retail display. No box change between fresh and frozen lines. No wet cardboard disposal fees. No wax contamination in the recycling stream.
| Product |
温度范围 |
Ice Compatible? |
Retail Display? |
Go To |
| 虾包装盒 |
0–4°C fresh + −18°C frozen |
✅ Ice-pack & crushed ice direct contact |
✅ Seafood counter-ready |
This page |
| Seafood Box (General) |
0–4°C |
✅ |
Optional |
Seafood Box → |
| 冰镇海鲜礼盒 |
0–4°C iced |
✅ — ice-pack optimized |
❌ Transport-focused |
Ice Cold Seafood Box → |
| 龙虾盒 |
0–4°C live/lobster |
✅ |
❌ |
Lobster Boxes → |
| Fresh Seafood Packaging |
0–4°C fresh |
✅ |
Optional |
Fresh Seafood Packaging Box → |
技术规格
| Parameter |
Specification |
| Product |
Shrimp Packaging Box — PP corrugated dual-temperature seafood container |
| 材料 |
3–5 mm twin-wall corrugated polypropylene (PP), virgin food-grade |
| 标准尺寸 |
400×300 mm, 500×350 mm, 600×400 mm (footprint); height: 100–200 mm |
| Box Weight (empty) |
~0.4–1.0 kg |
| 承载能力 |
5–15 kg per box |
| 温度范围 |
−20°C to +80°C continuous (spanning frozen to ambient) |
| Water Absorption |
< 0.01% — ice-melt water has zero effect on structure |
| Ice Compatibility |
Direct contact with crushed ice, ice packs, gel packs — no degradation |
| Freezer Performance |
Maintains full impact resistance at −18°C (unlike waxed cardboard which embrittles) |
| Drainage |
Optional bottom drainage holes for ice-melt water runoff |
| 通风 |
Optional side-wall slots for cold air circulation |
| 堆叠 |
Stackable 6–8 high on pallets; interlocking lid option available |
| Food Contact Compliance |
FDA 21 CFR 177.1520; EU EC 1935/2004 |
| Printability |
UV digital or screen print — species name, count/size, origin, PLU, barcode |
| 可回收性 |
100% PP #5 — no wax coating to contaminate recycling stream |
| Reuse Cycles |
50+ cycles |
| Customization |
Size, thickness, drainage, ventilation, internal dividers (head-on vs headless vs peeled separation), printing |
| 最小起订量 |
50 units (standard); 200 (custom) |
| Lead Time |
10–15 business days |
Why Waxed Cardboard Fails in Shrimp Packaging — The PP Advantage
The seafood industry has used wax-coated corrugated cardboard for decades — not because it works well, but because there was no affordable alternative. PP corrugated changes the equation:
| Condition |
Wax-Coated Cardboard |
PP Corrugated Box |
| Ice contact (0°C, wet) |
Wax delays water absorption but does not prevent it — box softens over 6–12 hours |
< 0.01% absorption — no softening at any duration |
| Freezer temperature (−18°C) |
Cardboard embrittles; wax cracks; box shatters on impact |
Full impact resistance maintained |
| Stacking 6-high wet |
Bottom box compression strength drops 40–60% — stack collapse risk |
Compression strength unchanged — no collapse risk |
| Recycling |
Wax coating contaminates paper recycling stream — most waxed cardboard goes to landfill |
Clean PP #5 — fully recyclable in standard PP stream |
| End-of-trip appearance |
Water-stained, dented, wax peeling — not retail-presentable |
Clean white surface — display-ready |
| Cost per trip (50 cycles) |
$1.00–2.00 (new box each trip) |
$0.04–0.08 (one box ÷ 50 trips) |
The Wax Contamination Problem Wax-coated cardboard cannot be recycled in standard paper mills — the wax fouls the pulping equipment. In most markets, waxed seafood boxes are landfilled or incinerated. Switching to recyclable PP eliminates this waste stream entirely and supports seafood industry sustainability certifications (MSC, ASC, BAP) that increasingly require packaging recyclability.
Shrimp Supply Chain — From Boat or Farm to Seafood Counter
Shrimp moves through one of the most temperature-sensitive supply chains in food logistics:
Fresh Shrimp (0–4°C Chain)
- Harvest: Shrimp are caught or harvested from aquaculture ponds, immediately iced in onboard or dockside containers.
- Primary Processing (Hours 0–4): Shrimp are washed, graded by size/count (e.g., 16/20, 21/25, 26/30 per pound), and packed — head-on, headless, or peeled — into boxes with crushed ice or ice packs.
- Cold Storage & Distribution (Hours 4–24): Boxes enter cold storage at 0–4°C. Ice melts gradually; melt water drains through box drainage holes without pooling. Boxes stacked 6–8 high on pallets maintain structural integrity despite wet conditions.
- Retail Display (Hours 24–72): At the seafood counter, boxes serve double duty as display containers. The clean white PP surface presents shrimp attractively on ice beds. Unlike water-stained, dented cardboard, the PP box reinforces quality perception.
Frozen Shrimp (−18°C Chain)
- Freezing: Shrimp are IQF (individually quick frozen) or block-frozen, then packed into boxes.
- Frozen Storage (−18°C): Boxes enter frozen storage. PP maintains impact resistance — boxes can be moved, stacked, and handled without the brittle cracking that afflicts frozen cardboard.
- 发行: Frozen boxes ship in refrigerated containers. PP’s dimensional stability prevents box deformation that could crush IQF shrimp during transport vibration.
- Thawing & Retail: At destination, boxes may be thawed for retail display or sold frozen. PP transitions from −18°C to ambient without condensation damage.
Shrimp Packaging Box vs Other PPBOXY Seafood Containers
常见问题解答
Q: Can this box be used for both fresh and frozen shrimp?
是的。PP瓦楞纸在新鲜（0–4°C，置于冰上）和冷冻（−18°C）温度下表现完全一致。 与蜡纸板不同——蜡纸板在冷藏温度下遇水会变软，在冷冻温度下会变脆——PP在整个温度范围内都能保持完整的结构完整性和抗冲击性。这消除了为冷藏和冷冻产品线分别备有不同包装材料的需求。.
Q: Does ice melt-water damage the box?
PP的吸水率低于0.01%。融化的冰水会积聚在箱底，并通过可选的底部排水孔排出，而不会影响箱体结构。 经过12、24或48小时与湿冰的持续接触后，箱体状态保持不变。这是其相对于上蜡纸板最大的操作优势，因为随着时间推移，水会渗透上蜡涂层，导致上蜡纸板逐渐变软。.
Q: Is PP safe for direct food contact with shrimp?
Yes. PPBOXY’s shrimp packaging boxes are manufactured from virgin food-grade polypropylene compliant with FDA 21 CFR 177.1520 and EU Regulation EC 1935/2004. PP is non-toxic, odorless, and does not leach chemicals into food. The smooth interior surface is easy to clean and sanitize between uses. A certificate of compliance is available with each order upon request.
Q: What sizes are available for different shrimp counts?
Standard box sizes accommodate the full range of commercial shrimp packaging: 400×300 mm for small-count retail packs; 500×350 mm for medium-volume distribution; 600×400 mm for bulk wholesale and export. Internal dividers can separate shrimp by size, product form (head-on / headless / peeled), or lot number within a single box. Contact us with your typical shrimp count and preferred weight-per-box for a size recommendation.
Q: How does PP compare to waxed cardboard on cost over time?
A PP shrimp box costs 8–15× more upfront than a waxed cardboard box. However, at 50 reuse cycles — typical for a dedicated shrimp distribution operation — the per-trip cost of the PP box drops to 0.04–0.08 versus 1.00–2.00 for a new waxed cardboard box each trip. After 8–12 trips, the PP box has paid for itself. After 50 trips, the savings are approximately 90–95% per trip compared to single-use waxed cardboard.
Q: Is the box recyclable after use?
Yes — and this is a significant advantage over waxed cardboard. PP is recycling code #5 and is accepted in standard PP recycling streams. Waxed cardboard, by contrast, cannot be recycled in standard paper mills because the wax contaminates the pulping process — most waxed seafood boxes end up in landfill. Switching to PP eliminates this waste stream and supports seafood sustainability certifications (MSC, ASC, BAP) that increasingly require packaging recyclability.
Q: What is the minimum order quantity?
We do not impose a minimum order requirement. Whether your needs call for a single prototype, a small-batch trial, or full-scale mass production, we are fully equipped to accommodate orders of any volume with the same level of service and quality.
