PAINT RESEARCH STATION (PRS) COLOUR

An arbitrary scale developed by the Paint Research Station (PRS) for grading the colour of shellacs and varnishes.

Items required: Lovibond® discs 241100 / 4/11 Bleached Shellac  (3/8-1¾ units),    241120 / 4/11A Shellac APSHA  (2-6 units),   241120 / 4/11B Shellac APSHB (6¼-9 units) to be used with the Lovibond® Comparator 142000 and a W680/OG/10mm fused optical cell.



142000 142000 Comparator instrument to bring the sample and the glass filters together for colour matching.
606810 606810 10 mm path length Series Fused Optical Glass