How to identify quality of FRP pultruded profiles FRP pultruded profiles identify quality, note the following aspects: 1. manufacturers where: Nationally, the quality of FRP gratings in different geographical price is not consistent . From south to north FRP pultruded profiles the price is gradually reduced, showing the distribution of three steps: Southern, Central, North. Quality with the price proportional. http://www.hbsqlbs.com/news/hy/296.html 2. raw ingredients: the industry standard in the regulations, FRP grating raw natural resins, glass fiber yarn, fillers. 196 natural resin manufacturers follow general, alkali glass fiber yarn, calcium; some manufacturers are almost a natural resin, using high-alkali glass fiber yarn. The material is a little better ring oxygen natural resin, E-glass fiber yarn, aluminum hydroxide gasification. 3. Formulation Ratio: This ride is a natural when it comes to the proportion of resin and filler ratio, the normal ratio of 1: 1 or 1: 0.9, and some manufacturers are 1: 1.25 imagined, natural resins 13,000 yuan / ton, fillers such as calcium 300 yuan / ton, the ratio slightly commissioning, the price will go down. 4. The presence of a third-party certification: Ordinary manufacturers all quality standards, after police experience, there will be product certification and inspection reports. Therefore, the majority of customers in the purchase of FRP pultruded profiles, it must be noted that not all of FRP pultruded profiles are enhanced, can expect to find cost-effective, genuine products.