pe coated paper is paper covered on one or both sides with a thin layer of polyethylene. The coating closes much of the paper’s porous surface, improving resistance to water, oil and moisture while supporting heat sealing in compatible structures. For converters and packaging distributors, a wholesale PE coated paper supplier must control both the base paper and the coating layer because defects in either part can affect the finished package.

How Is PE Coated Paper Produced?

During extrusion coating, polyethylene resin is heated until molten and applied as a continuous layer onto moving paper. Pressure and cooling bring the two materials together and create a stable composite.

Some laminated structures may instead use a previously produced film bonded to paper. Although both are often described as PE coated paper, the manufacturing method can influence thickness, adhesion, flexibility and surface appearance.

PE can be applied to:

• One side for directional moisture protection

• Both sides for a stronger all-round barrier

• White or brown paper

• Kraft Paper and selected specialty papers

• Rolls prepared for printing, forming or further conversion

The coating weight must be sufficiently uniform. Thin areas may permit leakage, while excessive coating adds cost and can change stiffness or folding behavior.

What Properties Does the PE Layer Add?

Water and Moisture Resistance

Paper fibers normally absorb water and lose strength. The PE layer slows penetration and helps the package retain its shape during contact with beverages, steam, condensation or humid air.

PE coated paper is water-resistant rather than universally waterproof. Exposed edges, seams and prolonged immersion can still allow water to reach the paper layer.

Grease Resistance

The coating helps prevent oil from soaking through the sheet. This is useful for takeaway food, bakery products, fast-food wrapping and other applications where stains could weaken the paper or affect presentation.

Heat Sealability

Compatible PE surfaces can be joined using controlled heat and pressure. The correct sealing temperature depends on the resin, coating weight, equipment speed and package structure. Trials should be completed on the actual converting line.

Additional Mechanical Strength

A bonded polymer layer can improve tear resistance and folding endurance, especially when the paper is exposed to moisture. It cannot compensate for an unsuitable base-paper weight or weak fiber structure.

Where Is PE Coated Paper Used?

PE coated paper can be found in paper cups, bowls, food containers, wrapping sheets, industrial separation paper and moisture-resistant packaging. The required structure changes with the application.

food packaging needs attention to food-contact compliance, odor, migration, sealing and grease resistance. Industrial wrapping may prioritize tensile strength, surface protection and resistance to warehouse humidity.

Click to view our PE laminated paper product and the applications currently supported by its paper-and-PE structure.

What Should Buyers Specify?

A dependable wholesale PE coated paper supplier needs more information than the required roll width. A purchasing specification should include:

• Base-paper type and grammage

• PE coating weight

• Single- or double-sided coating

• Finished width and roll diameter

• Core diameter

• Corona treatment where printing is required

• Heat-sealing requirement

• Food-contact application, when applicable

• Surface appearance

• Packaging and pallet requirements

Samples should be tested for bonding, pinholes, curling, sealing and performance after storage. When the material will be printed or formed into containers, testing should cover the complete downstream process.

How Our Processing Capacity Supports Repeat Orders

Our factory combines production, warehousing, processing, distribution and technical service. Custom widths and thicknesses can be discussed according to the application, while internal material handling supports repeat orders and scheduled deliveries.

As a wholesale PE coated paper supplier, our role is not limited to shipping a standard roll. Material specifications must remain consistent between the approved sample and later production batches. Inspection of roll appearance, dimensions and lamination quality helps reduce variation before shipment.

Obtain a PE Coated Paper Quotation

A useful quotation begins with a clear finished-product requirement. Contact our team with your paper grammage, coating side, roll width, diameter, sealing process and expected volume. Our wholesale PE coated paper supplier team will review the specification and recommend an appropriate PE-coated structure for sampling.