Description
The TQC Sheen Steel Surface Roughness Comparator is a precision reference tool used to assess the surface profile of blast-cleaned steel. It enables inspectors to compare the roughness of a prepared surface against standardized reference segments, ensuring the correct profile is achieved before coating application.
Surface roughness plays a critical role in coating performance. A profile that is too smooth can lead to poor adhesion, while an overly rough surface may result in excessive coating consumption or premature coating failure. This comparator helps achieve the optimal balance by providing a reliable and repeatable comparison method.
The comparator consists of multiple reference segments representing different surface profiles. By visually and tactically comparing the test surface to these segments, inspectors can quickly determine whether the surface preparation meets the required specification.
Designed for use in both field and laboratory environments, this tool is compact, durable and easy to use, making it essential for coating inspection and quality control.
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Why Surface Roughness Matters
The surface profile of steel directly influences coating adhesion and long-term performance. Proper assessment helps to:
* Ensure optimal coating adhesion
* Improve coating durability and lifespan
* Prevent coating failure due to improper surface preparation
* Control coating consumption
* Verify compliance with specifications and standards
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Available Types
Grit Comparator
* For surfaces prepared with angular abrasives
* Produces a sharper, more angular surface profile
Shot Comparator
* For surfaces prepared with round abrasives
* Produces a more rounded surface profile
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Scope of Supply
* Steel Surface Roughness Comparator (selected type: CSTLD2040 Model G for grit or CSTLD2050 Model S for shot)
* Protective storage case
* User guidance
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Manufacturing and Standards
The TQC Sheen Steel Surface Roughness Comparator is manufactured by TQC Sheen, part of Industrial Physics, and is designed for reliable surface profile assessment in coating inspection.
The comparator is aligned with internationally recognised standards, including:
This ensures consistent and standardised evaluation of surface roughness prior to coating application.
Comparison standard according to ISO 8503 part 1 made of quality steel. Indicates the surface condition of blasted steel according to ISO 8503 in grades of fine, medium, and coarse.
