Sartomer Company is lifting sales control on its Wingtack resins product line. The sales control was declared in May due to worldwide events affecting the availability of C5 resin-making streams.         “We have also just concluded an extended maintenance turnaround of the manufacturing facility, which is now fully operational and running better than it has in years. As a result, we are in an excellent position to meet the growing needs of our customers,” said Thierry Razat, business director...