Metal moving into or through Guwahati often rides multi-day road and rail legs under humid weeks, then waits in warehouses before the next plant. Flash rust starts on those long holds when free volume stays open. A global manufacturer specifies multimetal VCI film closed at origin after dry clean, VCI stretch for unitised cartons, and aluminium barrier free volume with sized desiccant when multi-week ocean sealed life applies after later port exit.
Kolkata content should stay east coast industrial and port-adjacent free volume. Guwahati stays North-East long-transit free volume so eastern pages do not become doorway twins.
| Stage | Risk | Control |
|---|---|---|
| Origin plant | Open free volume at start of long leg | Multimetal bag after dry clean |
| Road or rail transit | Multi-day humid climate | Sealed life includes transit days |
| Guwahati warehouse | Extra hold days | Intact seals; kit IDs match list |
| Ocean weeks if sailing | Container rain risk | Barrier free volume + desiccant with VCI |
Closed free volume before long North-East transit.
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Unitising bagged cartons for multi-day road stability.
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Only when ESD rules apply to modules in the set.
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With VCI and desiccant for multi-week export sealed life.
View Full SpecsKolkata is east coast industrial and port-adjacent free volume when rewritten. Guwahati is North-East logistics free volume with long multi-day transit and warehouse RH before metal reaches the next plant or port.
Under-counted long transit sealed life, open free volume under humid weeks, and film-only multi-week ocean designs after later port exit.
Yes when bare metal sits multi-day in transit or store. Open poly is not a vapour system.
When sealed life includes multi-week ocean humidity after later port exit.
Grade-tied MIL-PRF-22019E and NACE TM0208 documentation where applicable, SDS, ISO certificates and a method note covering transit days.
No. BENZ is a global protective packaging manufacturer.
Yes. Best practice is closed multimetal free volume before long road or rail legs.
Origin plant plus transit days plus Guwahati warehouse days plus next plant or port dwell plus ocean weeks when applicable.
Share origin plant, transit days, warehouse hold days, metal list and export path if any. The reply should name film form and whether barrier plus desiccant are required.
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