Packaging bag

Details Packaging bag Packaging bag

B - Operations, Transporting

32

B

220/6

B32B 7/02 (2006.01)

Patent

CA 1220766

ABSTRACT OF THE DISCLOSURE A packaging bag either of two layer structure com- prising an outer layer and an inner layer or of three layer structure comprising an outer layer, an intermediate layer, and an outer layer is disclosed, wherein the outer layer is made of a low density ethylene-based polymer or a mixture of said ethylene-based polymer and an ethylene- vinyl acetate copolymer, and the inner or intermediate layer is made of a mixture of high density polyethylene and an ethylene-.alpha.-olefin copolymer. The packaging bag of this invention is much superior in film puncture strength, tear strength, etc. to conventional bags and moreover shows very high seal strength and low temperature impact resistance. Thus, the packaging bag of this inven- tion is suitable for storage and conveyance of heavy ma- terials, particularly angular heavy materials such as fowl. Moreover, the packaging bag has good anti-block properties and thus is suitable for automatic packaging.

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