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Introduction Of PVC Foam Board

- Oct 29, 2018 -

PVC foam board


   Also known as Chevron board and Andy board, it is divided into two types: crust foaming and free foaming.PVC foam board is widely used in passenger cars, train car roofs, cabinet core layers, interior decoration panels, building exterior wall panels, interior decorative panels, offices, residential, public space building compartments, commercial decorative racks, and Dust room board, ceiling board, screen printing, computer lettering, advertising signage, display board, sign board board and other industries and chemical anti-corrosion engineering, thermoforming parts, cold storage board, special cold preservation engineering, environmental protection board mold, sports Equipment, aquaculture materials, beach moisture-proof facilities, water-resistant materials, art materials and various lightweight partitions instead of glass ceilings. It is very versatile and is increasingly popular because of its relatively low price and superior performance.

   The rigid PVC crust foam board is made of polyvinyl chloride (PVC) as the main raw material and is specially foamed. As one of the typical new chemical building materials products, it has a fine cell structure inside its density and its surface is similar to natural wood. It is an ideal green building decoration material. Domestic research on rigid PVC low-foaming pipe and profile production lines and micro-foaming or free-foaming board production lines is in-depth, but the research on formula, process and equipment of special hard PVC crust foaming board is relatively rare. . Since the process varies with materials, extruders, and molds, the materials are different, the extruder specifications are different from the screw structure, and the extruded profiles are different in size and shape, and the process adjustment methods adopted are quite different. The complexity of the rigid PVC extrusion process determines the difficulty of foaming foaming. The quality of PVC crust foamed sheet and screw speed, extrusion temperature, extrusion pressure and head, die, cooling and setting die There are many factors related to structure and so on. Therefore, in order to obtain good performance of rigid PVC sheet, it is necessary to have advanced sheet production line equipment and a suitable crust foaming process.