Identification of PP packaging belt
Some packaging machines with new materials outside, the middle folder filling material (poor), as long as the cut open to see the section, you can see inside the black heart is poor quality.Packing machine with color problems, packaging machines with different grades, hard to say. The transparent baler belt is the best strapping belt at present. The quality of the packing machine depends entirely on the purity of polypropylene. The higher the purity of polypropylene, the better the tension of the baler.
The width and width error of the baler belt are generally plus or minus 0.3mm. Such packaging machine with production of medium and lower, the quality will be relatively uniform, will not appear when the good and bad situation.
1, packaging machine belt to toughness, PP packaging machine with repeated fold, toughness is bad, easy to break. Pattern problems, patterns must be beautiful, do not appear partial pressure situation.2, PP packaging machine with the general white (other colors to bright), quality is better, because these are not easy to mix old material.3, packing machine belt should have gloss, such packing machine belt is usually full material production. Tensile stability. Packaging machine with powder powder, then the gloss will be greatly reduced.
