MACHINE-GRADE POLYPROPYLENE STRAPPING IS APPLIED USING A STRAPPING MACHINE AND DOES NOT REQUIRE SEALS STRAPPING MACHINES ARE USED IN MODERATE-TO-HIGH VOLUME APPLICATIONS POLYPROPYLENE STRAPPING IS A LIGHTWEIGHT STRAP USED TO BUNDLE NEWSPAPERS SEAL AND BUNDLE CARTONS AND SECURE LIGHT LOADSPOLYPROPYLENE STRAPPING BANDS SOMETIMES CALLED POLY STRAPPING ARE A LIGHTWEIGHT STRAP USED TO BUNDLE NEWSPAPERS SEAL AND BUNDLE CARTONS SECURE LIGHT LOADS AND FOR OTHER LIGHT-DUTY APPLICATIONS THE EMBOSSED SURFA