High-strength packaging bag

High-strength packaging bag

The utility model discloses a high-strength packaging bag which comprises a BOPP (biaxially-oriented polypropylene) inner bag, a CPP (casting polypropylene) layer is fixedly connected inside the BOPP inner bag, and a protective outer bag is arranged outside the BOPP inner bag. The high-strength pack...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: FU ZHUOLIN
Format: Patent
Sprache:chi ; eng
Schlagworte:
ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR
CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS
CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
PACKAGES
PACKAGING ELEMENTS
PACKING
PERFORMING OPERATIONS
STORING
TRANSPORTING
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Beschreibung
Zusammenfassung:The utility model discloses a high-strength packaging bag which comprises a BOPP (biaxially-oriented polypropylene) inner bag, a CPP (casting polypropylene) layer is fixedly connected inside the BOPP inner bag, and a protective outer bag is arranged outside the BOPP inner bag. The high-strength packaging bag has high strength and can bear heavier contents without being broken during use, has higher melting temperature, can resist high temperature of 145 DEG C, is convenient for packaging asphalt at 160-165 DEG C, can resist long-distance transportation after being cooled, can be heated together with the asphalt in an asphalt melting furnace and can be completely fused with the asphalt to form a harmless building material, and the high-strength packaging bag can be used for manufacturing a building material. The device is convenient for filling asphalt, preventing a human body from being in direct contact with the asphalt, protecting a BOPP inner bag and a CPP layer, preventing the BOPP inner bag and the CPP l