Ortho phosphoric acid technical sub grade -1 to is:798/2020 revision three. packed in non-returnable plastic jar of 50kg. as per clause 5.1 of the specn.

Narrow jaw adapter class e 6 x11 . as per drg.no. drawing - rdso drawing no : wd-89067-s/9, alt-12, specn: mat. spec. - as per drawing with latest revision and amendments and conforming to rdso str no. ab/rb-40-2016, rev-2 of june 2021, with latest revision and amendments.