▎ 摘　　要

NOVELTY - Polyethylene composite material comprises 10-30 pts. wt. linear low-density polyethylene, 15-35 pts. wt. high density polyethylene, 40-60 pts. wt. metallocene polyethylene and 0.1-10 pts. wt. carbon material. USE - The material is useful in preparation of packaging products (claimed). ADVANTAGE - The material can reduce thickness of the film, at the same time, ensures and improves the tensile strength and tensile strength of the film; namely at the same time ensuring the rigidity of the film, so it can greatly reduce the use amount of the plastic, and reaches the reduction of the plastic use. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (1) preparing the polyethylene composite material, comprising (i) taking components of polyethylene composite material provides raw material, and (ii) mixing the raw materials, extruding and molding; (2) a plastic film, comprising a first film layer made of polyethylene composite material; and (3) packaging bag, comprising a bag body made of the plastic film, when the bag body is made of the plastic film, the second film layer is an outer layer, and the third film layer is an inner layer. DESCRIPTION OF DRAWING(S) - The drawing shows a structural view of a plastic film of a polyethylene composite material. First thin film layer (110) Second thin film layer (120) Third thin film layer (130)