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ACRYLUME®


U. S. Steel ACRYLUME® Coated Sheet is a zinc-aluminum coated steel sheet product that combines the excellent corrosion resistance of GALVALUME® Coated Sheet with a clear organic polymer surface treatment that is applied over the GALVALUME® coating. The surface treatment is essentially invisible, but it provides excellent characteristics to enhance the performance and applicability of unpainted GALVALUME® Coated Sheet.

These enhancements include:
Good roll formability without the need for oils
Excellent transit and field-storage performance without darkening or staining
The practical eliminations of fingerprinting and footmarking during installation
Long-term surface brightness when exposed to the environment to help retain heat reflectivity

ACRYLUME® is produced by applying the organic polymer film directly over the zinc-aluminum coating of the GALVALUME® Coated Sheet using roll-coating equipment. Following application of such liquid film treatment, the strip is dried in an oven to provide a clear, dry acrylic coating on the surface of the GALVALUME® Coated Sheet. The coating is clear and flexible and is approximately 1.0 micrometer thick. It also provides lubricity that improves the roll-forming characteristics.  
Data Sheet
Example Specifications
Storage and Handling
Research
Footprinting Characteristics
  GALVALUME® Comparison

The use of roll-coating equipment to produce ACRYLUME® provides a uniformity to the surface treatment that is not available by other less complex means of application. Mon Valley Works and Fairfield Works have state-of-the-art equipment that completely covers both sheet surfaces with a clear, uniformly thick acrylic coating.

Performance
ACRYLUME® has been processed on a number of different roll-forming lines with complete success. The roll-formed profiles included difficult standing-seam types. It is not necessary to add oils to either the strip or the forming rolls. The performance with respect to the job site storage, hand marking and non-uniform darkening has been equally impressive. ACRYLUME® will exhibit the same spangle variations normal to GALVALUME®. Roofing panels may therefore exhibit color variation.

Product Attributes
Acrylic coated GALVALUME® Coated Sheet
Improved surface corrosion resistance
Roll forms without oil
  Improves handling
  Less slippery
  Safer installation
     
Practically eliminates hand and foot printing
Minimizes discoloration over time
Acrylic coating is not a substitute for paint

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