North American prices for PVC resin prices have fallen since May 1 while polystyrene prices increased.
Two major commodity resins saw lower prices in North America in April, while one material saw a slight increase.
The increased demand for bottled water and soft drinks during the summer is leading to more demand for PET bottle resin, prompting a slight increase in pricing.
The North American polypropylene market remains as volatile as ever as resin prices drop in April after seeing an increase in March.
North American prices for solid and expanded polystyrene resins and for nylon 6 and 6/6 resins have declined since April 1.
Three commodity resins saw higher prices in North America in March, in spite of mixed signals from the region's economy.
"The question is what's driving demand: restocking or consumer demand?" market analyst Mike Burns said. "I think it's more likely that it's processor restocking."
Market sources told that regional prices for nylon, polycarbonate and ABS resins all declined in the first quarter of 2023.
North American polypropylene resin prices saw a hefty increase in February, reflecting a jump in feedstock costs.