PE coated paper, also known as polyethylene-coated paper, is a type of paper that has been laminated with a thin layer of polyethylene (PE). PE laminated paper is made by applying a thin polyethylene layer to one or both sides of the base paper. This layer:
1. Acts as a barrier paper – protecting against water, steam, and grease.
2. Allows for heat sealing in packaging processes.
3. Reinforces the structure – improving resistance to tearing, wrinkling, and deformation.
4. Makes the material suitable for demanding industrial and environmental conditions.
Such PE-coated paper can be used as packaging material, separator, protective layer, or food-grade paper.
Structure and Manufacturing Process
Our process involves applying a polyethylene film to the surface of the paper. This can be done through extrusion coating, where molten polyethylene is forced through a die and onto the paper. The polyethylene layer adheres to the paper, creating a composite material.
The thickness of the PE layer can vary depending on the intended use of the paper. It can range from a very thin layer for applications where flexibility and printability are key, to a thicker layer for more demanding applications such as food packaging that requires enhanced moisture resistance.
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Product Feature
Moisture Resistance
One of the main advantages of PE-coated paper is its excellent moisture-resistance. The polyethylene layer acts as a barrier, preventing water from penetrating the paper. This makes it suitable for applications where the paper may come into contact with liquids, such as in food packaging (e.g., for ice cream cones, fast - food wrappers) or beverage labels.
Smooth Surface
The PE coating gives the paper a smooth surface. This is beneficial for printing, as it allows for high-quality, sharp, and vibrant prints. It also provides a nice tactile feel, which can be important for products where the packaging is handled by consumers.
Flexibility
PE-coated paper is relatively flexible, which makes it easy to fold, shape, or wrap around objects. This property is useful in various packaging applications, such as making pouches or sachets.
Heat Sealability
The polyethylene layer enables heat-sealing. This means that two layers of PE-coated paper can be joined together by applying heat and pressure, creating a sealed package. This is commonly used in the production of sealed food packages, like snack bags.
Application: Food packaging, Label, Medical Packaging
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