90.93 Standard confirmed Nov 2, 2009
CEN
CEN/TC 262 Metallic and other inorganic coatings, including for corrosion protection and corrosion testing of metals and alloys
European Norm
17.040.20 Properties of surfaces
Published
Specifies a method for the measurement of the thickness of thin, highly reflective coatings (up to 2 ) by the use of Fizeau muliple-beam interferometry. The method described cannot be applied to vitreous enamel coatings. Gives principle, definitions, equipment, factors affecting in the measuring accuracy, calibration, procedure and measuring precision.
PUBLISHED
EN ISO 3868:1994
90.93
Standard confirmed
Nov 2, 2009