I.S. ISO 3906:1988
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
PAINTS AND VARNISHES - DETERMINATION OF CONTRAST RATIO (OPACITY) OF LIGHT COLOURED PAINTS AT A FIXED SPREADING RATE (USING POLYESTER FILM)
Hardcopy , PDF
03-11-2003
English
02-10-1989
Specifies a method to be used for determining the opacity (by contrast ratio measurement) given by paint films of white or light colours of reflectance value greater than 25%, applied at a spreading rate of 20 m2 / litre to colourless transparent polyester film, the reflectance being measured subsequently over agreed black and white glass plates.
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