oil finding paste
Gasoline and Oil Finding Paste

oil finding paste 

Gasoline and Oil Finding Paste

A chemical paste used with oil gauging tape for measuring the presence of various types of oils, The colour of the paste will generally change form light blue to red upon contact with oil. This paste will detect almost any kind of oil including mineral oil, vegetable oil, and animal oil, and solvents such as benzol, alcohol, acrylic solution, alkaline solution, and sprits.