PVC fences fence manufacturers | St. Ye metal | PVC supplied by Linqu St. Ye metallwarenfabrik. Road Zhiyuan, tempering forward. Linqu St. Ye metallwarenfabrik (www.shengyehl.com) to become and you win, symbiosis, strategic partners before the trip, the more determined to become the most influential metal building materials business, and you leap together to success! pvc steel railing coloring process roughly divided into black profile extrusion method, the composite co-extrusion, coating and surface coating bite. (1) black profile extrusion method, also known as whole body method. Intervention in PVC profile masterbatch formulations, black profiles via direct extrusion extruder. Strengths is finished in the original extrusion extruder, low cost; downside is the profile of the poor weather, the outcome is difficult to meet room table decoration applications. (2) Co-extrusion method. By steel railings and pvc additional layer of black material composed of co-extrusion profiles. The black material either PVC, or poly (methyl methacrylate) acrylic big wish - styrene - acrylate copolymer (ASA) Weifang PVC lawn fence, two extruders are required to host (cone double pupae lever 60 or 58 and a single screw 30) to get. Students must apply to a composite profile manufacturer mold PVC fences fence, raw vocals are manufactured since past two consistent material flow channel profiles and black material in the mold before leaving late in the bus to the same class of common extrusion. Fu of this approach are: raw manufacturing process need to reprovision cold mixer or dryer and other equipment, material recovery difficult, burdensome raw vocals manufacture composite film with high cost, large investments. PVC Fence Lawn fence: (1) PVC fence lawn fence made of special PVC material, environmental pollution PVC, corrosion resistance, strong and durable, never fade, blistering, peeling, cracking, spalling. (2) PVC fence lawn fence socket type connector PVC fences fence manufacturers, column, crossbar and important parts are reinforced with galvanized steel lining, safe and more secure.