The Lovibond® Petroleum Oils Comparator (AF650) is a 3-field instrument for visually determining the ASTM Oils Comparator colour of samples by direct comparison with coloured glass standards. It incorporates the 16 glass standards which make up the scale in a pair of discs. Supplied with 2…

Replacement Varnish Tubes An accessory for Petroleum Color Grading Outfits, Model 605 and 607.