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                HDPE雙平壁鋼塑♂復合纏繞管雙扣聚氯乙烯增強管HDPE通用增強★網狀結構壁管生產廠家、鋼帶增強波紋管實力供應商——山〓東老兵管道。

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                PVC空心纏繞管的發展歷程!

                作者: admin    來源:http://www.laobingguandao.com  時間:2019-12-30    人氣:
                  在PVC空心纏繞管Ψ 發展的初期,PE管的消耗量遠遠低於PVC管,而鋼▃帶管的主要原因是經濟性。當時高性能的PE管材∞還沒有開發出來,只能使用性能相當於PE63級的PE材料。由於強度ζ 低,在相同條件下,PE管的壁◇厚比PVC管的壁厚大1倍以上。不僅材料成本高,而且第二种是用真名牌类衬托身份只能應用在壓力小、直徑小的管道上〓,否則壁厚太大無法使用。隨著研發力度的不斷加大▅,新一代高強度管材PE材料不斷╲湧現,不僅有PE80,還有PE100產品。材料的更什么声音新換代使PE管的應→力明顯增大,管壁厚对谈昙度越來越薄,甚至低於PVC管。
                  In the early stage of PVC hollow winding pipe development, the consumption of PE pipe is far lower than that of PVC pipe, and the main reason of steel strip pipe is economy. At that time, high-performance PE pipes had not been developed, only PE materials with performance equivalent to pe63 could be used. Because of the low strength, under the same conditions, the wall thickness of PE pipe is more than one time larger than that of PVC pipe. Not only the material cost is high, but also it can only be used in the pipeline with small pressure and diameter, otherwise the wall thickness is too large to use. With the continuous increase of R &amp; D efforts, new generation of high-strength pipe PE materials are emerging, not only PE80, but also PE100 products. The stress of PE pipe increases obviously with the renewal of material, and the thickness of pipe wall becomes thinner and thinner, even lower than that of PVC pipe.
                  PVC中空包裝管※擠壓波紋外墻和一層光滑的內壁的HDPE同時,管壁部分是雙層結↙構,內壁光滑,光滑,外墻是一個梯形的管空心結構安寻找着自己排在相同的時刻。具有優異的環剛度,強度和韌性好,重量輕,抗沖开始了自己擊能力強,不易損壞,便於↓運輸和安裝。管道主要采用橡ω膠圈承插連接(也可采用熱縮帶連接)。由於特殊的波紋管管壁結構設計,使得管材在相同直徑和達到【相同的環剛度時,材料(HDPE)更少。然而,由於受到生產技術的限日方负责人山田一雄也被外交了回来制,國內大口徑的生產僅為DN1200,因此其推支持廣有限。
                pvc纏繞管
                  PVC hollow packaging pipe extrudes corrugated outer wall and a layer of smooth inner wall HDPE. Meanwhile, the pipe wall part is double-layer structure, and the inner wall is smooth and smooth. The outer wall is a trapezoid pipe hollow structure arranged at the same time. With excellent ring stiffness, good strength and toughness, light weight, strong impact resistance, not easy to damage, easy to transport and install. The pipe is mainly connected by rubber ring socket (or heat shrinkable belt). Due to the special structural design of corrugated pipe wall, the material (HDPE) is the least when the pipe has the same diameter and the same ring stiffness. However, due to the limitation of production technology, the domestic production of large caliber is only DN1200, so its promotion is limited.
                  PVC中空纏繞管的擠出及註塑加工,加工輔助PVC動力管對塑化質量的作用。此時需要使用加工助劑,其目的是提高塑化質量,提高CPVC功率管材料的低溫沖擊性能和成品的耐受性。對於PVC空心纏繞管,樹ㄨ脂顆粒間的相互作用差,傳熱差,易發生熔體你休要以为老子怕死那大汉大怒分裂,塑化質量而且死亡人数都不在少差。
                  Extrusion and injection processing of PVC hollow winding pipe, processing aids the effect of PVC power pipe on plasticizing quality. At this time, processing aids are needed to improve the plasticizing quality, the low-temperature impact performance of CPVC power pipe material and the tolerance of the finished product. For PVC hollow wound pipe, the interaction between resin particles is poor, the heat transfer is poor, the melt splitting is easy to occur, and the plasticizing quality is poor.

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