BS 3900-D4:1974
Methods of test for paints - Optical tests on paint films - Comparison of contrast ratio (hiding power) of paints of the same type and colour

Standard No.

BS 3900-D4:1974

Release Date

1974

Published By

British Standards Institution (BSI)

Status

Be replaced 2007-01

Replace By

BS EN ISO 2814:2007

Latest

BS EN ISO 2814:2007

Scope

This British Standard specifies the standard method to be used in comparing the contrast ratios given by paint films of white or light colours of reflectance factor greater than 40 % and applied at approximately equal wet film thickness to black and white substrates.

BS 3900-D4:1974 history

• 2007 BS EN ISO 2814:2007 Paints and varnishes - Comparison of contrast ratio (hiding power) of paints of the same type and colour
• 1974 BS 3900-D4:1974 Methods of test for paints - Optical tests on paint films - Comparison of contrast ratio (hiding power) of paints of the same type and colour