Unsaturated Polyester Resin
Becoming the World Class UPR Brand
Becoming the World Class UPR Brand The UPR division of the Sewon Chemical is currently producing unsaturated polyester resin and vinylester under the brand name of 'Polystar' with annual production capacity of 60,000M/T. With 50 years of accumulated knowledge and R&D experience, the UPR based 'Polystar' products are widely used in various fields such as construction, shipbuilding, automobile, aircraft, and many others.

tubs, septic tanks, cooling
towers, marble, furniture, etc.

pipes, tanks, helmets, containers,
conveyors, valves, etc.

cars, interior parts,
instrument panels, tanks, rail cars

switches, refrigerators, washing
machines, battery cases, terminals

fishing boats, small ships,
yachts, buoys, tanks

furniture, pianos, musical
instruments

helmet lines, rockets,
missiles, armor

tanks, corrrosion-resistant
lining, FGD