Profile: Gulf-Pacific Packaging Corp. is a distributor of packaging equipment. Our product line includes stretch wrapping, stretch films shrink wrapping & bundling, shrink films tapes, plastic strapping and tools. Our semi automatic plastic strapping machines machine grade (PSM) is used for polypropylene and polyester strapping systems. Polypropylene strapping is commonly used, and is the least expensive plastic strapping. Offered in both manual and machine grades, it can be sealed with buckles, seals, heat seals or friction welds.