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PVC foam eet extrusion process Kendrys Morales FlexBase Jersey , the basic problems encountered can be grouped into four categories: first, the stability; second, the lt strength issues; third, lubrication problem; Fourth dispersion issues. In these four categories of issues, especially the first three categories of issues are mutual restraint, and influence crossly Kelvin Herrera FlexBase Jersey , while it is sotis difficult to imdiately distingui from the surfe phenona of pvc foam boards. Lk of stability will affect the entire board, and the foam board will be yellow with large brittleness.The deficiency of lt strength can lead to huge cell in the foam eet and long longitudinal section bubble. The most direct way to determine whether the lt strength is insufficient is to press eet wrapping the roller with your fingers and you can feel elasticity in the excellent lt strength. If it is difficult to bounce after the press, which ans the poor lt strength.rigid pvc boardLubricant for the PVC materialWe need to ensure good lt strength in the PVC materials, order to obtain uniform products in PVC Celuka Foam Board.The foaming agent is developed to solve this problem of the foad article, and can effectively improve the quality of the foam pipe. Lubricant is divided into external lubricants and internal lubricants, and outer lubricant is good for releasing Jarrod Dyson FlexBase Jersey , which is beneficial on the surfe fini. Inner lubricant is good for plasticization and the lt fluidity and it is difficult to control the thickness of the plate with insufficient inner lubricant, resulting in both sides are thin and the middle plate is thick; while if inner lubricant is too much which is prone to the phenonon of high confluence core temperature. Poor dispersion will bring the phenonon of unsmooth plate surfe.The process temperature control of PVC boardThe above four problems are the fundantal, basic and deep-seated problem. While relative to the four questions above, the process temperature control will be more intuitive and this is the surfe problem. The poor temperature control may give rise to the ergence of the fundantal problems. Improving the processing temperature will reduce the stability of material and the original lubrication balance will be broken, with the general performance of the poor external lubrication, especially the late external lubrication George Brett FlexBase Jersey , and it is needed to improve the amount of external lubrication. In addition, the increase in temperature will lead to the decrease of lt strength, increase cell foam eet, to reduce the number of cell and the eet is easy to be broken. The raise in the temperature will also reduce the lt strength and the lt viscosity, the viscosity decreases ear dispersing reduced ability, for the screw with poor dispersion Frank White FlexBase Jersey , sotis will be dispersed unevenly.www.potentech.Potentech employs well-known professors and technical experts in the plastics industry to form an Expert Committee, professionally to develop and produce: PVC foam boards and eets, PVC moulding and Modified Engineering Plastic (granules). Poten Cellular (PTJ series) is the real Cellular PVC foam eet, Production of Cellular technology. ---
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