paint enamel synthetic exterior finishing colour black for railway coaches conforming to is 8662 2004 reaffirmed 2019 and rdso amendment no 1 revision 0 for pigment content as an additional requirem ent to is 8662 2004 w e f 01 08 2016 with additional requirement of icf md spec 045 issue status 02 rev 03 dt 14 06 2007 and rdso s amendment no 1a rev 1 0 effective from june 2020 as an additional requirement p acking in 20 ltrs new non returnable m s drums to is 2552 1989 reaffirmed 2018 gr b 2