Materials Testing
 
    Compare surface

Compare surface

ASTM D 4417 Method A, ISO 8503-1, ISO 8503-2

  • Available in both scoured Version (grit) abrasive blast (shot)
  • Metric units only

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The comparators to assess surface roughness by visotactile method (sight and touch).


Surface Finish:

Effective and adequate preparation of a painting front surface is essential. Check the roughness or profile is essential. If the roughness is too small, the adhesion of the coating will be affected. If it is too large, the peaks may not be covered, allowing rust to settle.

 

Order information
 Pickled (grit)Blasted (shot)
Section profiles25, 60, 100, 150 .mu.m25, 40, 70, 100 microns
Item codeE125 ---- 1E125 ---- 2