Container Liners are manufactured from different polymer-based materials depending on the type of cargo, transportation conditions, and required performance. Common materials include polyethylene (PE), polypropylene (PP), woven polypropylene fabrics, and multilayer laminated structures. The material structure can be selected according to the required strength, flexibility, moisture resistance, barrier properties, and compatibility with the transported product. Polyethylene films provide excellent moisture resistance and can create a protective barrier between the cargo and the container environment. Woven polypropylene can provide high tensile strength and durability for demanding bulk applications. Multilayer structures can combine different materials to provide improved mechanical strength, moisture protection, sealing performance, and other specialized properties. For food and agricultural products, suitable food-grade materials may be selected to help maintain hygiene and minimize the possibility of product contamination. Specialized liners may also include antistatic properties when transporting products where static electricity needs to be controlled. The liner’s construction is equally important. Strong seams, reinforced loading and discharge openings, secure attachment points, and appropriate film or fabric thickness help the liner withstand the pressure and movement created by bulk cargo during transportation. UV stabilization may also be incorporated for certain applications involving outdoor exposure.
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