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EXPORT PACKING / IGU PRODUCTION / HRACK
A 12188 project shows the practical shipping math: a 60-slot Hrack glass sorting trolley is shipped KD in a 141 × 114 × 20 cm crate, about 0.32 cbm and 88.2 kg. The rack arrives as a flat, bolt-assembled package rather than as a full-height working frame.
If you export glass-processing equipment, the freight problem is often not the steel weight alone. A fully assembled glass harp rack is tall, wide, and full of empty space around its frame. That unused air can consume container or LCL capacity before the rack reaches your customer. For a buyer comparing landed cost, the important question is therefore not only “How many glass slots does the rack have?” but also “How does it travel when it is empty?”
The 12188 project gives a hard reference point without turning one project into a universal freight promise. Its small IGU rack has 60 slots and is specified at 1310 × 600 × 1220 mm in working form. For export, the same rack is designed as a knock-down, bolt-assembled package measuring 141 × 114 × 20 cm, with a measured packed volume of approximately 0.32 cbm and a packed weight of 88.2 kg. Ocean freight still depends on route, carrier, service, and shipment quantity; this is a packing reference, not a fixed freight quote.
Why does an assembled glass rack make freight expensive?
Freight providers charge for the space a shipment occupies as well as its mass. A working glass harp needs height for vertical sheets, a sloped frame for safe leaning, bottom roller assemblies, dividers, casters, and a locking mechanism. When welded or shipped fully assembled, those parts remain spread across the rack’s operating envelope. The crate then pays to move a three-dimensional structure even though it contains no glass. This is especially inefficient for export buyers ordering several units: the limiting factor can become cubic capacity before the payload limit is reached. A direct comparison should use the supplier’s actual packed dimensions, not the rack’s working dimensions. 
How does KD construction compress the shipping volume?
The answer is simple physical packing: the base frame, sloped side members, caster hardware, wire-divider assemblies, roller components, and fasteners are separated and arranged in layers instead of standing as a rack. For project 12188, the calculation is 141 cm × 114 cm × 20 cm = 321,480 cubic centimetres, or 0.32148 cubic metres. Rounded for logistics communication, that is 0.32 cbm. The 20 cm thickness is the key dimension: it replaces the working rack’s 1220 mm height in the export package with a layered flat-pack profile. One crate is still 88.2 kg, so handling equipment, crate rating, and the forwarder’s chargeable-weight rules must be checked separately. The gain is primarily dimensional efficiency, not a claim that steel has become lighter.
What is inside the 12188 flat pack, and what happens after arrival?
KD does not mean an incomplete product. It means the rack is divided at intended assembly joints. The 12188 package is planned around the 60-slot layout, with its structural frame, roller and divider components, casters, locking parts, and bolt hardware packed as a flat set. The bolt-together approach lets the importer assemble the rack at the destination instead of paying to ship the full operating envelope. At the working station, the completed Hrack is used as an IGU WIP buffer or sorting trolley—not as a bulk warehouse A-frame. The 60-slot count and 14.3 mm slot specification belong to this project reference and should be reconfirmed when glass thickness, spacer mix, or slot customization changes.
What should an export buyer confirm before comparing landed cost?
- Confirm the shipping basis: for the 12188 reference, use 141 × 114 × 20 cm, approximately 0.32 cbm, and 88.2 kg—not the 1310 × 600 × 1220 mm working size.
- Confirm the capacity that the crate represents: this project is a 60-slot small IGU rack with a 14.3 mm slot specification; do not apply its slot count or spacing to another custom model.
- Confirm assembly scope: the bolt-assembled KD frame is intended for destination assembly, while the nylon roller, PVC-sleeved steel-wire divider, caster, and foot-lock details must match the approved configuration.
- Confirm the use case: Hrack suits sheet sorting, IGU pairing, and short-distance WIP movement; it is not the right choice if you need a fixed warehouse rack for bulk, long-term storage or a freight quote without route details.