Fluoresent Penetrant As Per Rdso Specification M And C/Ndt/105/2001. I.Visibility: Type I- Flu Orescent Dye. Ii. Wash-Ability: Method A-Water Washable. Iii. Sensitivity Level: Level 2-Medium. Iv. Develope Rs: Form A- Dry Powder. [ Warranty Period: 30 Months After The Date Of Delivery ] ]