Damage and prevention of packaging printing ink

Packaging and printing ink crust after taking the measures as we all know, when the printing process in ink in ink because of the dry surface and the formation of a membranous layers or placed a stirring device, or simply the ink drained, otherwise, coating will be attached to the roller. The results will cause the page layout to form an uneven, resulting in printing disorderly knife marks on the pollution. The reason, ink circles tend to:
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