Identification of the quality of the packing belt
Packaged with quality, to look at the package with high purity polypropylene, currently on the market a variety of packing belt: pure polypropylene, polypropylene and polypropylene masterbatch, and recycled material, polypropylene and recycled materials and masterbatch. Packaged with transparent state production of pure polypropylene, polypropylene and masterbatch production package for translucent, polypropylene and packaged with basically opaque recycled material production, packaged with fully opaque polypropylene and masterbatch and renewable materials production. There are a total of renewable materials and calcium carbonate powder sandwich material production packing belt, completely regenerated material packaged with soft sandwich material belt production, only the surface of raw materials, the rest is calcium carbonate (lime). The quality of the packing belt depends entirely on the purity of polypropylene. The higher the purity of polypropylene, the better the pulling force of the packing strap.
PET plastic steel belt identification: the most important standard (not crisp, is to use clamps will be packaged with the middle of the pack, just sampling clamping, cracking, rupture is the most poor packing belt, lines should have been clear, color should be transparent, with small font size 7 in the package down to see this just clear, packing belt very good.
PP packing belt identification: packing belt straightness standard, uniform thickness, color is not fade, pull to the foot, to see if the new material will be packaged with cut with scissors, look at the joints, packed with intermediate black is relatively poor, the raw material is PP, one can understand.
