CPC Corp is likely to keep its No. 4 cracker off-line owing to technical issues. The company has delayed the restart of the cracker until next week. The unit was taken off-line for maintenance in mid-November 2017 and was supposed to resume operations in this week. The cracker has an ethylene capacity of 380 kta and propylene capacity of 193 kta that is located in Linyuan, Taiwan.