Water resistant and easily releasing multi-layer structure
The utility model relates to a water resistant and easily releasing multi-layer structure, on which a biaxial extending polypropylene film is attached to the surface of a layer of faced paper. The utility model is characterized in that the middle of the broad width of the biaxial extending polypropy...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The utility model relates to a water resistant and easily releasing multi-layer structure, on which a biaxial extending polypropylene film is attached to the surface of a layer of faced paper. The utility model is characterized in that the middle of the broad width of the biaxial extending polypropylene film is provided with tool marks or notches with intervals. The utility model has the advantages of water resistant efficiency and easily releasing characteristic because of the tool marks or the notches at the layer of the biaxial extending polypropylene film (BOPP). |
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