MR® SmartChoice WP15 is an exclusive low-cost edition by MR® Chemie for sale in select channels only. is a Type II water removable red colour penetrant developed for large surface areas and rough surfaces where excess penetrant is difficult to remove using solvent cleaner or emulsifier. This can be used in general industrial dye penetrant testing. It exhibits good penetrating characteristics and features over wash resistance along with red indications which provides maximum reliability in locating surface open flaws and discontinuities. Typical application include casting, forgings, leak testing, welds, pressure vessels and general metal works.