Metal staged for Durban export often sits in humid KZN warehouses before terminal entry. Flash rust starts there when free volume stays open. Heavy mining and industrial spares also tear weak free volume on edges during handling. A global manufacturer specifies multimetal VCI film after dry clean, edge protection where needed, VCI stretch for unitising bagged loads, and aluminium barrier free volume with sized desiccant when multi-week ocean sealed life applies.
Johannesburg content is inland industrial store and transfer. Durban stays subtropical port export so Southern Africa pages do not become doorway twins.
| Rule | Pass | Fail |
|---|---|---|
| Dry clean before seal | No free water or residue | Rust under bag |
| Closed free volume | Multimetal bag on critical faces | Open poly in humid store |
| Edge protection | Guards where film would tear | Torn free volume at lift |
| Ocean weeks design | Barrier free volume + desiccant with VCI | Film-only long legs |
Closed free volume under subtropical warehouse RH.
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Pallet stability after part free volume exists.
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Form-fitting wrap on irregular heavy spares when needed.
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With VCI and desiccant for multi-week ocean sealed life.
View Full SpecsJohannesburg is inland industrial store and transfer. Durban is KwaZulu-Natal subtropical port export dwell for metal sailing from South Africa.
Subtropical humidity into open free volume, under-counted terminal dwell, and film-only multi-week ocean designs.
Yes when bare metal sits multi-day before stuffing. Open poly is not a vapour system under subtropical RH.
When sealed life includes multi-week ocean humidity after terminal dwell.
Grade-tied MIL-PRF-22019E and NACE TM0208 documentation where applicable, SDS, ISO certificates and a method note.
No. BENZ is a global protective packaging manufacturer.
Both need closed free volume. Heavy spares also need edge protection so film does not tear.
Plant plus warehouse plus terminal dwell plus ocean weeks plus destination storage.
Share metal type, warehouse days, edge risk, terminal expectations and ocean weeks. The reply should name film form, edge protection and whether barrier plus desiccant are required.
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