Printing tape glue quality discrimination method

Printing tape glue quality discrimination method - 2018 07 - 31 at present, many different kinds of printing tape, want to choose a good quality adhesive tape to make everyone more concern, among them the quality of the glue used is close friends certainly, because the glue if poor quality will lead to the less sticky tape. Below small make up is to share the lettering tape glue quality about it. Criteria to distinguish two tape glue, one is the initial moisture, one is the retention. Both is inversely proportional to, usually a viscous fluid below 10 fewer tape glue in accordance with the teaching, usually only about 20 microns. Such as stationery adhesive tape, ordinary promotional bundled with the tape. Normal packing tape at the beginning of the viscous force in 15 Between 20, generally speaking, there are 22 - the tape glue thickness 28 micron. The thickness is standard. Now on the market a lot of tape are mixed with the impurities, so the thickness increase, the impurities to cover, the glue is mixed with the pigments, so transparent tape will appear the egg yellow, light green, this tape is generally inferior.