Many customers are unaware of when an inner liner must be added; this is actually very critical.
Foshan Hongyun Jiangtian Packaging summarizes based on experience from over a thousand clients:
These 3 types of materials must include an inner liner:
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Powdered materials (cement, starch, graphite powder)
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Food-grade materials (grains, animal feed)
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Moisture-proof and contamination-prevention materials (chemicals, new energy industries)
The inner liner provides protection against moisture, leaks, and dust contamination. We use food-grade PE film, which is safe and odorless.
Foshan Hongyun Jiangtian Packaging｜One-stop customization for ton bags + inner liners
Phone: 18570518098｜Official Website: https://robotf.cn