Polyurethane pultrusion can be measured as just the reverse of extrusion. In this process a material is pressed and passed through a dye. In this process the fibers that are reinforcing are drawn from a sequence of creels through a die. Following that the fibers are mixed with . After the fibers are infused through the resin, a hot steel die is used which assists in curing and determining the resin matrix. There is incessant pulling of the outline. It is hauled until the fiber gets out from the die. Following that it is cooled and given the preferred length. There are numerous benefits of the polyurethane pultrusion. The procedure is quite inexpensive and the results realized are just superb. The finished product got from it is unexpectedly stronger and they are more hard-wearing. Instead of expensive and luxurious mats this procedure enables one to use roving. One of the most essential parts of this procedure is the polyurethane resins. Polyurethane resins assist in making the pultrusion procedure so much proficient. Due to the utilizing of polyurethane resins, this procedure enjoys many advantages and benefits over any other procedure. The use of the resins is almost compulsory as they help significantly in achieving the brilliant results that is linked with the pultrusion process. There are uncountable reasons behind using the polyurethane resins. However, here are seven causes which make the use of resins so beneficial - 1)Due to the use of resins, the union of the fiber is very nice and they make the fiber durable. 2)The resins have enhanced impact on the fiber and it can brag about transverse properties that make them so much advantageous. 3)By the use of the resins one can make sure that the fabric is stronger and the bond pretty good. This helps in making the fiber bigger in size with thin but striking walls. 4)The use of resins makes the fabric less frail. This practically cuts down the risk of fissure or cracking of the fiber to least. 5)The resins allow to make the process of the pultrusion totally environment friendly as they do not have any quantity of styrene. 6)Due to its potency the resins help in making the fiber reasonably lighter and economical. 7)The resins also assist in making the production more superior and they also enable in achieving fast results.