Identification of the quality of the packing belt
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.
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.
