BS 3900-A5 – Methods of test for paints. Large-scale brushing tests for paints and varnishes
Method primarily intended to assess brushing and flow characteristics of paints and varnishes when applied to large areas of closely defined substrates. Also used to assess other properties, e.g. the tendancy of the paint or varnish to retract from sharp edges and protuberances. To be read in conjunction with BS 3900-0