supply of anti wear type hydraulic oil , anti wear type hydraulic oil as per is 8406(latest amendment)to the following specificati ons.(1)grade: vg 680.(2)kinematic viscosity at 40 deg cent,cst:612 to 728.(3)viscosity index (min):85 (4)pour point ,c,max:0.(5)flash point,cleveland open cup,c min:230(6) demulsibility:cuff after centrifu ging,mi,max:2.o.(7) demulsisbility:total free water collect- d during test(starting with 90 mi of water ),min:70.(8)demulsibility:(for r and o type)percent water m oil after 5-hour test,max:0.5.(9) timken e p test ok load,min:27kg.(10)oxidation stability @ 121 degree c,312h,10 litres air/h: increase in kinme tic viscosity at 100 deg c not exceed 6 percent.(11)ash,percent by mass.max:0.1.(12)air release value ,90 deg c minutes,max:20(13)copper strip corrosion for 3 houra at 100 degree c:not worse than 1.(14 )four ball wear test at 20kg load,wear scar diameter,mm,max:0.35.(15)fzg-niemann ep test,pass loa d stage,min:11th. make & model:(a)m/s.ioc: servo mesh sp 680.(b)m/s.bpc:bharat amocom 680.(c) m/s.hpcl:parthan ep 680.(d)m/s.balmer lawrie:protomac sp 680.(e)m/s.ibp:ibp mesh 680.(f)m/s.castr ol:alpha sp 680.or substantially equivalent. note:(1)the oil shall be supplied in only 210 litres metalli barrels only.(2)test certificate should be supplied along with the material supply.(3)oem or authorized dealers/agents having the valid authorized dealership document and same shall be provided while qu oting and also with the material supply.(5)the offer other than mentioned make and brands shall give the detailed test report as specified in the item description from nabl accreditation labs only. ]