Why does PE material printing fall off?
If the bottle of PE material is printed directly, it has no fastness and will fall off quickly. Because the PE material is oily, the screen printing ink is difficult to adhere to.
The general solution is to melt the oil film on the surface of the bottle by means of high temperature heating. Printing must be completed within 48 hours after heating, if over time
The surface of the bottle will re-form the oil film.
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