What changes when a cartridge transport box enters a cold store?

Answer: A low-temperature gasket, 12 micron plating, a desiccant pocket and 15 mm of clearance against frost.

Can one box cover road and sea freight?

Answer: Yes, with sea sealing and road lashing. Budget 10 percent more mass, cheaper than two stock lines.

Does an in-plant unit need sealing?

Answer: At a low class. IP54 stops dust, and the gasket must be swappable.

Should a carry unit have castors?

Answer: Not below 12 kg. Castors add 0.9 kg and lift the base 40 mm; use a trolley plate.

Can an old box move to a new lane?

Answer: Check crush, gasket compression and latch retention; pass all three, or demote it.

Cartridge Transport Box Applications: Where Each Setup Fits

Quick answer: The lane decides the fittings: fork pockets in the plant, straps and corner guards on the road, pallet modules and salt spray at sea, low mass by air, handle span on foot.

Six Scenarios and How the Setup Changes
Short Van Runs and Warehouse Moves
Rail and Ocean Freight Setups
Air Legs and Manual Carry
Trading Off When One Box Serves Several Lanes
FAQ

1. Six Scenarios and How the Setup Changes

One mould can build a cartridge transport box for a factory floor and another for an ocean crossing: 40 openings a shift on one side, thirty days at 95 percent humidity on the other. Batch per trip, handling, transit hours and stack height settle wall, ribs, latches and inserts.

Scenario	Dominant condition	Design lands on
In-plant transfer	40 forklift moves a shift	Fork pockets, wear feet
Regional road	3 to 5 Hz for 6 hours	Straps, corner guards
Rail, full car	4 high, 180 kg bottom unit	Flat crush on the lid
Sea freight	95 percent humidity, 480 h salt spray	Plated hardware, desiccant
Air transfer	75 kPa cabin pressure	Vent, light shell
Manual carry	2 km on foot	Handle span, unit mass

2. Short Van Runs and Warehouse Moves

Van decks are ribbed steel with 4 mm crowns, so a plain rim scuffs white within 200 km. A cartridge transport box for this lane needs four 12 mm ribs dropping between the crowns.

Cartridge Transport Box: charcoal case on a dark studio backdrop, arched top handle, recessed folding side handle, two closed latches flanking the front panel

Lashing follows the vehicle: two 25 mm straps rated 1200 kg, floor rings within 600 mm, and feet that lift the base 15 mm off a wet deck.

Warehouse work is a pallet problem: a 1200 by 1000 mm pallet takes 12 units two high, 96 kg on the lower box, on 100 mm fork pockets with 900 mm of fork depth. IP54 and a 2.8 mm wall cover dust and washdown, and the latch keeper is a metal insert, because plastic loosens in three months at 40 cycles a shift.

3. Rail and Ocean Freight Setups

Bulk freight treats a cartridge transport box as cargo: a 40 ft sea box takes 20 pallets of 12, 240 units, and a 60 tonne railcar takes 180 with 30 mm between them. At this volume 0.5 kg per unit becomes 120 kg.

Flat crush drives the lid. At four high with 180 kg below, ribs 8 mm tall at 90 mm centres hold the face within 2 mm after 24 hours; at 140 mm pitch the same load leaves 5 mm of sag.

Sea freight adds 480 hours of salt spray, 8 micron plating and a 50 g desiccant pocket. Rail adds minus 25 Celsius, where the gasket stiffens and opening force rises about 40 percent.

4. Air Legs and Manual Carry

Cabin pressure near 75 kPa leaves about 25 kPa across a sealed cartridge transport box. A 0.3 mm vent behind a one-way membrane equalises without letting liquid in, and shell weight stays under one to four of payload.

Cartridge Transport Box: grey case seen from the rear, vertical ribs down the back, top handle raised, faint scuffs on the shell

Manual carry: under 12 kg loaded, a 110 mm handle span and a 28 mm grip so a gloved hand does not jam, plus a 40 mm strap for 2 km on foot. The shell can drop to 2.2 mm, but corners need a double layer.

Two latch points beat one; a single latch lets the whole lid spring. Keep the pull tab under 8 mm so it does not catch on webbing.

5. Trading Off When One Box Serves Several Lanes

Most buyers run one cartridge transport box across a mix: in-plant daily, road weekly, sea freight once a year. Take the strictest level only for stack crush, sealing class and latch retention. Everything else follows the everyday lane.

Item	Road bias	Freight bias	Carry bias	Mixed
Wall	2.8 mm	3.5 mm	2.2 mm	3.0 mm, double corners
Unit mass	4.6 kg	6.1 kg	3.2 kg	5.2 kg
Latch	Single stage	Two stage, metal insert	Two point	Two stage
Base	Wear feet	Pockets plus locating	No feet	Removable feet

Price it: 2.8 to 3.5 mm adds 18 kg per pallet and 360 kg per sea box, one pallet lost on a weight-limited wagon. At 3.0 mm with doubled corners, crush falls under 8 percent and 0.6 kg comes off.

Conclusion

A lane is an input, not scenery. Settle batch, handling, transit hours and stack height, then apply the strictest level only to crush, sealing and latch retention. Weigh the unit on a real pallet before cutting the tool. Sized that way, a cartridge transport box fits every leg it travels.

This article discusses only the container (case body) side of specifications and design intent, and does not cover any handling, loading or use of the contents.