According the attached PO OPT/MP15-28 and MP15-29 total 10drums = 2,110 Kg.
We calculated that the order OPT/MP15-18 Silquest A-174 should be 243 pails = 4,374 Kg. (included 26 pails coming 22/11/2015)
Please find the attached revised PO OPT/MP15-18 thank you