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Plastic bottles flame treatment before printing
by：Lisson
2020-10-24
The flame treatment process before printing is to use high temperature make plastic surface decontamination, and melt layer surface, to improve the performance of surface adhesion of ink.
Flame treatment effect is good, no pollution, low cost.
But strict operation, such as accidentally cause deformation of scrapped products.
Main working principle: using the gas flame directly heats the pending container printing surface, flame length control in 6 ~ 19 mm inner core, the top of the flame core to the surface for 6 ~ 25 mm, contact time is 0.
1 ~ 1.
0年代。
Generally the treated surface tension can be up to 4 * 10 - plastic water bottles
More than 2 n/m.
The surface tension makes the printing surface of plastic bottles a high-energy surfaces, can above the surface of the ink, ink can be well attached on the plastic bottles.
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