PTT Global Chemical (PTTGC) is likely to take its No.1 cracker off-stream for a maintenance turnaround. The cracker is expected to be taken off-line in end-August 2017. The planned maintenance is likely to remain in force for around 2 to 3 weeks. The cracker has an ethylene production capacity of 460 kta and a propylene production capacity of 125 kta that is located at Map Ta Phut in Thailand.