PVC fence with what materials? Material it uses PVC plastic doors and windows are somewhat similar, but the performance is much better. It is special PVC profiles as a main component of a composite material. The main material components imported from abroad, to ensure sufficient strength fence and weather resistance. PVC is a non-toxic, harmless, energy and recyclable green materials. Highway fence painting process consists of two stages to be completed: the first stage fixed bed stage, the second stage of air transportation stage, continue to increase the flow rate (W) on the basis of a fixed bed, the bed began to swell and loose , bed height began to increase iron security fence, the fence each powder particles are floated, thus leaving the original location for a certain degree of movement, when they entered the fluidized bed stage. bc section description within the fluidized powder layer expands, its height (I) with increasing gas velocity increases, wrought iron fence, but the bed pressure (△ P) does not increase the flow rate within a certain range without change impact of fluid required unit of power, which is characteristic of a fluidized bed, took advantage of this feature to the coating process implementation. Uniformity within the fluidized powder fluidized state is the key to ensure uniform coating. On the use of fluidized bed powder coating are "vertical fluidized" fluidization number must pass the test to find out, can be applied generally to the highest rate in the fluidized bed powder suspension of up to 30 to 50 %. Cast Iron Fence | longtai metal | Guangdong fence by Linqu longtai metallwarenfabrik. Linqu longtai Metal Products (www.wfhulan.com) Shandong Weifang, a leader in building materials processing, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In longtai metal leadership with the staff warmly welcome all inquiries negotiations to create a better future longtai metal.