3901.10.50.20 - Low density polyethylene, except linear low density polyethylene

This HTS category covers low-density polyethylene (LDPE) in its primary forms, specifically excluding linear low-density polyethylene (LLDPE). LDPE is a flexible and resilient plastic known for its high clarity and ease of processing, commonly used in applications such as films for packaging, bags, and agricultural sheeting, as well as for electrical insulation. The defining characteristic of this material, for classification purposes, is its density and molecular structure, which differentiates it from other polyethylene grades.

It is crucial to distinguish this classification from its sibling category, 3901.10.50.10, which is specifically designated for linear low-density polyethylene. While both are types of polyethylene with a specific gravity of less than 0.94, LLDPE possesses a more linear molecular structure, resulting in enhanced tensile strength and puncture resistance compared to conventional LDPE. This current category, conversely, is for polyethylene exhibiting the branching structure characteristic of traditional LDPE. The sibling category 3901.10.50.30, "Medium density polyethylene," is also distinct, as it covers polyethylene with a higher specific gravity.

As a leaf node, this classification does not have further subdivisions. Therefore, the focus for importers and exporters lies in accurately identifying the material as LDPE, as opposed to LLDPE or polyethylene with a higher density. Classification hinges on understanding the physical properties and processing characteristics inherent to each type of polyethylene resin, as well as accurate declarations from the manufacturer regarding the specific grade of polyethylene being imported or exported.