PTT Global Chemical (PTTGC) on 28 July shut down its 1.07 mta Aromatics II complex in Rayong, Thailand, for scheduled maintenance work, during which it will tie-in the debottlenecked capacity. Company indicated that it would expand aromatics capacity by 16% to about 1.2 mta at the Aromatics II complex.  The project, costing about USD 130m, will increase PX capacity to 770 kta from 655 kta, benzene capacity to 390 kta from 355 kta and will add 20 kta of OX capacity.  The complex also produces 60 kta of toluene. The company decided to tie-in the expansion with the annual maintenance shutdown, shortening the total shutdown period to 75 days.