Voucher dispensing process specification, the use of vouchers glue

Voucher dispensing process specification, the use of vouchers gum 18929226858 Miss Zhang Huiqun Voucher glue process description 1. Preparation of working solution: the voucher glue makeup agent according to the amount of water added with stirring, and the resulting red transparent liquid working fluid. 2. Processing temperature: greater impact on the color temperature is high, the red color cast, low temperature, the color yellow. Preferably thermostat to control the temperature. 3. Processing time: Impact time is relatively small, but time is too short, subdued color, too long, the color darker. 4. Supplementary solution: a wide range of concentrations of the solution, if not properly color at a predetermined temperature and time will add 30 to 80 ml plastic Voucher / liter. 5. Film requirements: Requires surface of the film with good adhesion, hardness and transparency, complete coverage. It should be used in the drying of varnish 130 ~ 160 ℃.