Supply Of White Contrast Paint For Crack Detection By Mpt Method In 500ml Metal Can With Spray System 425ml. Net Contrast Of Wcc Specification Is:3703 1980/8.2.21 Technical Specification:- 1 Composition Contains White Pigments In A Volatile Solvent Base Confirms To Bs5044-73 & Bs 6072-81. 2 Normal Operating Temperature Is Form 5 Degree To 50 Degree Centrigrade Specn: Is:3703 1980/8.2.21.