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塑钢(PVC)标记桩的特点特征

泉源:/ 宣布时间:日期:2023-07-24 0
优异的尺寸稳固性
Good dimensional stability
热固性树酯基体在加工历程受热作用爆发交联形成体型网状结构 ,其制品在常态下尺寸稳固好 ,成型之后爆发的后缩短性也小。制品在长时间的一连载荷作用下其形状和尺寸转变极小 ,即蠕变性小。其蠕变性能取决于载荷的巨细 ,温度崎岖和加载时间的是非诸因素。在牢靠的载荷和温度条件下 ,长时间加载后热固性塑料的蠕变量要比热塑性塑料小得多。
The thermosetting resin matrix undergoes cross-linking during the processing process to form a network like structure. The product has good dimensional stability under normal conditions, and the post shrinkage after molding is also small. The shape and size of the product undergo minimal changes under long-term continuous loading, resulting in minimal creep. Its creep performance depends on factors such as the size of the load, temperature, and loading time. Under fixed load and temperature conditions, the creep of thermosetting plastics after long-term loading is much smaller than that of thermoplastic plastics.
优越的耐热、耐高温特征
Superior heat and high temperature resistance characteristics
热固性树酯基复合质料固化后再也不可软化 ,其制品耐热性相当稳固 ,用1.86MPa的载荷测定 ,一样平常其热变形温度在150~260℃内 ,而纤维增强的热固性塑料属于优良的绝热质料 ,其热导率一样平常为0.35~0.47W/(m.K) ,只有金属的1/1001/1000 ,可用作优异的隔热才料和瞬间耐高温质料 ,质料的热变形温度可达350℃ ,可用作常温顺高温结构质料。玻纤/酚醛是 发念头优良的绝热质料。
After curing, thermosetting resin based composite materials can no longer soften, and their products have relatively stable heat resistance. When measured under a load of 1.86MPa, their thermal deformation temperature is generally within 150~260 ℃. Fiber reinforced thermosetting plastics are excellent insulation materials, with thermal conductivity generally ranging from 0.35 to 0.47W/(m.K). Only 1/100 to 1/1000 of metals can be used as good insulation materials and instant high-temperature resistant materials, The thermal deformation temperature of the material can reach 350 ℃, which can be used as both room temperature and high temperature structural materials. Glass fiber/phenolic resin is an excellent insulation material for engines.
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电性能优良
Excellent electrical performance
复合质料是优良的电绝缘质料 ,若以云母为填料制得的制品其电性能更为优异 ,可用来制造耐电弧性、耐电压、感应电性优越的特殊零部件。由于复合质料具备优良的电性能 ,其制品不保存电化学侵蚀和杂散电流侵蚀 ,可普遍用于制造仪表、电念头及电器中的绝缘零部件 ,以提高电器装备的可靠性并延伸其使用寿命。别的 ,制品在高频作用下优异的介电性能和微波透过性 ,已用于制造多种雷达罩等高频绝缘产品。
Composite materials are excellent electrical insulation materials. Products made with mica as filler have better electrical properties and can be used to manufacture special components with superior arc resistance, voltage resistance, and induction resistance. Due to the excellent electrical properties of composite materials, their products are free from electrochemical corrosion and stray current corrosion, and can be widely used in the manufacturing of insulation components in instruments, motors, and electrical appliances to improve the reliability of electrical equipment and extend its service life. In addition, the products have good dielectric properties and microwave transmittance under high-frequency conditions, and have been used to manufacture various high-frequency insulation products such as radar hoods.
优异的耐侵蚀性
Good corrosion resistance
树酯基复合质料与通俗钢的电化学侵蚀机理差别 ,它不导电 ,在电介质溶液中不会消融出离子 ,因而对大气、水和一样平常浓度的酸、碱、盐等介质具有优异的化学稳固性 ,特殊是在非氧化性强酸和相当普遍的ph值规模内的介质中都具有优异的稳固性。因此 ,现在普遍用于制造耐侵蚀制品 ,以用于不锈钢搪塞不了的某些介质(如盐酸、二氧化碳、稀硫酸、次氯酸钠和等)的侵蚀 ,施展了优异的作用。
The electrochemical corrosion mechanism of resin based composite materials is different from that of ordinary steel. It is non-conductive and does not dissolve ions in dielectric solutions. Therefore, it has good chemical stability against atmospheric, water, and general concentrations of acids, bases, salts, and other media, especially in non oxidizing strong acids and a wide range of pH values. Therefore, it is widely used to manufacture corrosion-resistant products for corrosion of certain media (such as hydrochloric acid, carbon dioxide, dilute sulfuric acid, Sodium hypochlorite, etc.) that stainless steel cannot cope with, and has played a good role.

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