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Teach you how to deal with the peculiar smell of food plastic packaging bags
Jan 05, 2024
With more and more manufacturers of food plastic packaging bags, many food plastic flexible packaging will be rejected by users due to peculiar smell, and there will be compensation events due to the pollution of bad smell on the inner food. The peculiar smell of food packaging bags mainly comes from the ink solvent of printing ink or composite adhesive and composite adhesive solvent, but some come from the inner membrane of composite packaging. So do you know how to deal with the peculiar smell of food plastic packaging bags? It doesn‘t matter. Next, let‘s introduce it to you. Let‘s have a look.
Therefore, when making composite packaging, attention should be paid to:
1. The design of printing pattern should choose less color and monochrome elements, and try to avoid the printing pattern of solid background and full plate.
2. When selecting printing ink, do not use surface printing ink with strong smell. Do not use high boiling solvents containing impurities, such as tar benzene, mixed benzene and recovered solvents.
3. Do not use single component PS composite adhesive with high odor.
4. For the inner film material selected for composite, check whether it has smell. Do not use PE film with filler as the composite inner substrate.
5. Try to improve the printing speed, reduce the viscosity of printing ink, reduce the amount of ink, keep the ventilation of drying oven and plant unblocked, and minimize the residue of ink and ink solvent.
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