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| Brand Name: | Cholly |
| MOQ: | 2000pcs |
| Price: | Negotiable |
| Delivery Time: | 10days |
| Payment Terms: | T/T, L/C |
20ft and 40ft Container Liner Bags with discharge spouts are designed for bulk transport of mineral powders, mineral granules, and other dry industrial raw materials.
Instead of packing mineral materials into multiple smaller bags, the liner allows the shipping container to be used as one large bulk transport chamber. This is especially useful for high-volume mineral shipments where loading efficiency, cargo isolation, and controlled discharge are important.
The liner can be customized to suit different mineral densities, particle sizes, loading methods, and unloading systems.
Mineral materials often have very different handling characteristics compared with agricultural products.
Fine mineral powders may generate dust, while coarse particles can create localized pressure against the liner during transport.
The liner therefore needs to balance containment, mechanical strength, and unloading efficiency.
Typical applications include:
For large-volume mineral shipments, using many small bags can increase packaging, loading, and unloading work.
A container liner allows dry bulk mineral material to be loaded directly into a standard 20ft or 40ft container.
This can simplify the bulk handling process and reduce repeated bag handling.
It is especially suitable for mineral processors, chemical plants, construction material suppliers, and industrial raw material exporters that regularly ship large quantities of dry powders or granules.
Mineral powders and granules often require controlled unloading at the receiving site.
A discharge spout can help direct the material toward conveyors, hoppers, screw feeders, or receiving silos.
Compared with completely open discharge, a dedicated outlet can reduce uncontrolled material flow and make the unloading process easier to manage.
The outlet size and position can be customized according to the customer’s receiving equipment.
Not all mineral materials should use the same liner configuration.
Fine powders such as talc or calcium carbonate may require a tighter barrier structure to reduce powder leakage.
Higher-density materials may require reinforced woven construction to improve resistance to internal pressure.
Coarser granules may need stronger seam design and more stable fixing points to maintain liner shape during loading and transportation.
The correct configuration should therefore be selected according to material density, particle size, flowability, and filling method.
The liner can be produced for both 20ft and 40ft shipping containers.
For high-density mineral products, 20ft containers are often selected when the maximum cargo weight can be reached before the container volume is fully used.
For lower-density mineral powders or granules, 40ft containers may provide more usable volume.
The liner dimensions should therefore be matched to both cargo density and container loading limits.
Depending on the transported material, liner materials can include:
PP woven fabric provides good mechanical strength for dry bulk cargo handling.
PE film or laminated structures can be used when better powder containment or additional moisture protection is required.
This liner can be used with:
The inlet structure can be customized to match the actual filling equipment.
| Item | Specification |
|---|---|
| Product Name | Container Liner Bags |
| Container Size | 20ft / 40ft |
| Main Material | PP Woven Fabric / PE Film |
| Structure | Four Panel / Customized |
| Top Design | Filling Spout / Open Loading Design |
| Bottom Design | Discharge Spout |
| Material Form | Powder / Granules |
| Barrier Option | PE Film / Laminated Structure |
| Printing | Customized |
| Application | Mineral Powder and Granular Cargo |
Before ordering, buyers should provide the specific mineral name.
The following information is also important:
For dense mineral cargo, liner strength and container payload should be checked first.
For fine powders, powder containment and barrier performance may be more important.
For free-flowing granules, the outlet structure should be designed to ensure controlled discharge.
Yes. Calcium carbonate is a typical dry mineral powder application. A suitable film or laminated barrier can be selected depending on powder fineness.
Yes. For heavier mineral materials, the liner construction and seam strength should be selected according to bulk density and load weight.
Yes. The discharge opening can be customized according to the hopper, conveyor, or receiving system.
It depends on bulk density and maximum payload. High-density mineral materials may reach the container weight limit before a 40ft container is fully filled, so a 20ft container may be more suitable in some cases.
