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By Stretch Wrapper | 25 April 2026 | 0 Comments

Why do Aluminum Profiles need to Stick with A layer of Film?

There are many types of aluminum profiles on the market, and surface treatment technologies are constantly improving. Currently, common aluminum profile surface treatment technologies include: mechanical polishing, chemical polishing, anodizing, electrophoretic coating, chemical coloring, fluorocarbon spraying, electrostatic powder coating, and surface patterning. Subsequent processing steps for aluminum profiles generally include cutting, bending, drilling, and stamping.

Why protect the surface of aluminum profiles?

Because the production and processing of aluminum profiles involves numerous and extremely complex processes, improper handling can easily damage them. Therefore, during the transportation, storage, processing, and assembly of aluminum profiles, their surfaces need to be protected to prevent damage caused by dust contamination, mechanical scratches, abrasions, etc., thereby maintaining the original high quality of the product surface. Furthermore, a smooth surface also helps improve the yield rate of secondary processing. In addition, it can be used for temporary protection in processes such as electroplating, printing, coating, and dyeing.

How to protect the surface of aluminum profiles?

The Protective film sticked on aluminum profiles-minmost common method for protecting the surface of aluminum profiles is to apply a protective film to the surface. The protective film is a thin plastic film attached to aluminum profiles to protect them from damage during handling, storage, transportation, processing, and installation. After installation, the installer removes the protective film, restoring the aluminum surface to a smooth, new appearance and achieving a good decorative effect.

How effective is the protection?

In this regard, our company has received feedback from some US customers. For aluminum profiles with protective film applied, customers report a significant decrease in the number and proportion of end-user claims and complaints, both in product sales and final project delivery.

How can We Reduce the Extra Workload caused By Sticking Films?

In fact, aluminum profile lamination requires no manual operation; it can be easily completed using an aluminum profile protection film applicator. This machine uses rollers to drive the aluminum profile forward. Multiple sets of rollers with a polyurethane protective layer clamp the aluminum profile from four directions (top, bottom, left, and right), effectively ensuring the profile moves forward at a uniform speed while preventing scratches on the surface. The machine can simultaneously load four rolls of protective film and apply them to all four sides of the aluminum profile. For irregularly shaped aluminum profiles, an arched device, brushes, and small 360-degree movable pressure rollers can be added to the machine. By adjusting the settings, a perfect fit can be achieved on each surface.
Perhaps the applications of this aluminum profile protection film applicator extend far beyond this. It is equally suitable for stainless steel profiles. High-end glass bathroom door manufacturers in the UK also tend to use this machine to protect their products made of stainless steel profiles.

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