Note:
(1) Summer is from first of Esfand to 30th Aban.
Winter is from first of Azar to 30th Bahman.
*The latest issues of the relevant test methods shall be used.
*Notes:
Cloud point and pour point specification shall be 4.5 & -10° c respectively from first Farvardin to 31th Sharivar.
The last issues of the relevant test methods shall be used.