ISO 6504-3:2006 describes methods for determining the opacity (by contrast ratio measurement) given by paint films of white or light colours of tristimulus value Y greater than 25, applied at a spreading rate of 20 m2/l to a black and white chart or to colourless transparent polyester foil. In the latter case, the tristimulus value Y is measured subsequently over black and white glass panels.
Status: WithdrawnPublication date: 2006-02
Edition: 2Number of pages: 7
Technical Committee: ISO/TC 35/SC 9 General test methods for paints and varnishes
- ICS :
- 87.040 Paints and varnishes
ISO 6504-3:2006Stage: 95.99
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