Beverage and other liquid packaging
To print the milk film, this you must pay attention to three o 'clock!
by：Kolysen
2020-12-01
Printing process is due to the bad milk membrane ink rub off key, in using the appropriate applicable table printing ink and solvent, milk film printing still need to pay attention to the following: 1, ink ratio should be according to the change of climate change is not appropriate solvent ratio will result in printing ink drying difficult and surface & other;
Fake dry & throughout;
。
False high dry refers to ink solvent ratio of volatile solvents are volatile, low volatile is not completely volatile, ink was dry crust surface, printing place after a period of time, continue to permeate, residual solvent ink adhesion and decoloring.
2, printing speed and drying oven temperature printing speed cannot too fast, the oven temperature in 30 ~ 40 ℃, so in order to make ink solvent complete curing and volatilization, strengthen the printing ink adhesion fastness.
3, printing workshop environment printing workshop environment must ensure that a certain humidity,
Between 60% ~ 70% is preferred)
To have good ventilation, temperature at 25 ~ 30 ℃ to be beautiful, too dry the environment will cause membrane electrostatic hard to release, too humid environment can make the milk on the membranes of the ink volatile difficulties, fastness to decline.
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