Unsaturated Polyester Resins
Unsaturated polyester resin is the most important polymer for production of composite materials, mainly glass fiber–reinforced plastics (FRP), but also for casting resins (nonreinforced)
Also, polyester resins are synthetic resins that that the companies produce it from the reaction of two-factor organic acids and multi-agent alcohols.
Common uses of Polyester Resin:
-production of fiberglass parts and sheets (code 2600).
-production of different types of automobile putty (code 9212- 930- 7500).
-As well as, Construction and repair of natural stone and sculpture (code 930).