Procurement Of Anabond 669 R (Rtv Silicon Sealant) Or Similar For Electric Locos And Em Us, With The Following Parameters : I) Specific Gravity : 0.98 1.05, Ii) Skin Forming Time : 2 8 Minute (30/ 2 Degree C, 55 / 5 Percent Rh), Iii) Elongation >/ 340 Percent , Iv) Hardness : Shore A (18 28). Shelf Life : 12 18 Months.