supply of non destructive testing penetrants, group i conforming to is 12889-1989 (reaffirmed 2000) with non-aqueous wetdeveloper. packing : each set comprising three items in six cans in the ratio 1:2:3 the penetrant remover and developer all inaerosol cans of 500 ml capacity each. the material content in each aerosol can should be 80 +/- 3 by volume and the ratio of theproduct to the propellant 3:1 +/- 3.
