JCB Brush Testing Results Sample weightJCBStandardNo Loss Evo before dip230.9112.3106.5 after dip263.4126.8127.1 20 sec drip time260.8124.5125 drip off2.62.32.1 applied20.77.210.9 paint picked up32.514.520.6 After Exhaustive painting240.1117.3114.1 paint left on brush9.257.6 Area Covered1064861 Area Covered (cm2)530240305 area covered (m2)0.530.240.305 The test scientifically measures the amount of paint that the brush can hold when dipped down to a set level.