In bitumen and sulphur trade, packaging is usually discussed after price — yet it is one of the things that determines price. The wrong packaging lowers the tonnage carried per container and lengthens discharge time at destination. This guide explains which option makes sense when, and how much product each container can actually carry.
Bitumen packaging options
New steel drum
The most common packaging in international trade. Standard drums are produced in 150, 180 and 200 kg capacities; the vast majority of global buyers work with the 180 kg drum.
A 20-foot container holds 110 drums of 180 kg, which is roughly 20 tonnes of product. The advantage is that the buyer can use the material in portions and needs no special discharge equipment. The drawbacks are a higher unit cost and the disposal of empty drums.
Jumbo bag (big bag)
Woven polypropylene bags typically hold between 300 and 1,000 kg. Using one-tonne bags, a 20-foot container carries about 20 tonnes. More economical than drums, but the buyer needs the infrastructure to feed the bag into a melting kettle.
Bitutainer
A special container type with a built-in heating system. Depending on the viscosity of the product, 22–25 tonnes can be loaded. Because the product is heated and pumped directly at discharge, drum opening, melting and waste handling disappear from the process. It is the most efficient solution for buyers with regular, high-volume requirements.
Bulk tanker
Hot bulk shipment by road tanker or vessel tank. The lowest unit cost, but it requires the buyer to have a heated storage tank and pumping system. Asphalt plants and large infrastructure projects generally use this model.
Sulphur packaging options
With sulphur, the deciding factors are dusting behaviour and the buyer's discharge system. Granular and prilled forms are free-flowing and suit big bags and bulk; the powder form requires closed systems and bagged packaging because of dust.
| Packaging | Unit | Suitable forms | Note |
|---|---|---|---|
| Big bag (FIBC) | 1,000 – 1,250 kg | Granular, prilled, lump | Most common method for containerised export |
| Palletised bags | 25 – 50 kg | Powder, granular, prilled | For distribution to end users and retail |
| Bulk | Vessel hold / silo | Granular, prilled, lump | Lowest unit cost, requires high volume |
Four questions before choosing
- What equipment is available at destination? A heated tank and pump means bulk or bitutainer; otherwise drums or bags.
- How quickly will the product be consumed? For long storage, closed packaging protects against moisture and caking.
- How many transhipments does the route involve? On multi-leg routes, mechanically stronger packaging (drums, granular big bags) reduces losses.
- What happens to the empty packaging? In some countries empty drum disposal is costly and should be part of the total cost calculation.
Practical note: As tonnage per container rises, freight per tonne falls. The gap between 20 tonnes in drums and 24 tonnes in a bitutainer can, on long routes, cover the packaging cost difference on its own. When comparing offers, look at landed cost, not just product price.