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Flexible Packaging
Polyurethane (PUR) adhesives, has become the core material in the field of flexible packaging composites, due to high bonding strength, solvent-free and eco-friendly characteristics, as well as high-temperature resistance.   It is widely used in multi-layer flexible packaging in the food, pharmaceutical, industrial and other fields.
In the food packaging industry, PU adhesive is a common laminating material. And PUR hot melt adhesive, as a kind of PU adhesive, has many unique features and advantages. Firstly, PUR hot melt adhesive has high bonding strength that could firmly bond various food packaging materials, such as cardboard, plastic film and metal. Secondly, PUR  has excellent heat and cold resistance, that could maintain bonding stability under different temperature conditions. In addition, PUR is also low volatility and odor, which is no negative impact on food safety and quality.
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