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塑鋼(PVC)伟德安卓的特點特性

來源:https://www.sofort-privatkredit.com/ 發布時間:日期:2023-07-24 0
良好的尺寸穩定性
Good dimensional stability
熱固性樹酯基體在加工過程受熱作用發生交聯形成體型網狀結構,其製品在常態下尺寸穩定好,成型之後發生的後收縮性也小。製品在長時間的連續載荷作用下其形狀和尺寸變化極小,即蠕變性小。其蠕變性能取決於載荷的大小,溫度高低和加載時間的長短諸因素。在固定的載荷和溫度條件下,長時間加載後熱固性塑料的蠕變量要比熱塑性塑料小得多。
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.
優越的耐熱、耐高溫特性
Superior heat and high temperature resistance characteristics
熱固性樹酯基複合材料固化後再也不能軟化,其製品耐熱性相當穩定,用1.86MPa的載荷測定,一般其熱變形溫度在150~260℃內,而纖維增強的熱固性塑料屬於優良的絕熱材料,其熱導率一般為0.35~0.47W/(m.K),隻有金屬的1/1001/1000,可用作良好的隔熱才料和瞬間耐高溫材料,材料的熱變形溫度可達350℃,可用作常溫和高溫結構材料。玻纖/酚醛是 發動機優良的絕熱材料。
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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電性能優良
Excellent electrical performance
複合材料是優良的電絕緣材料,若以雲母為填料製得的製品其電性能更為優異,可用來製造耐電弧性、耐電壓、感應電性優越的特殊零部件。由於複合材料具備優良的電性能,其製品不存在電化學腐蝕和雜散電流腐蝕,可廣泛用於製造儀表、電動機及電器中的絕緣零部件,以提高電器設備的可靠性並延長其使用壽命。此外,製品在高頻作用下良好的介電性能和微波透過性,已用於製造多種雷達罩等高頻絕緣產品。
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.
良好的耐腐蝕性
Good corrosion resistance
樹酯基複合材料與普通鋼的電化學腐蝕機理不同,它不導電,在電介質溶液中不會溶解出離子,因而對大氣、水和一般濃度的酸、堿、鹽等介質具有良好的化學穩定性,特別是在非氧化性強酸和相當廣泛的ph值範圍內的介質中都具有良好的穩定性。因此,目前廣泛用於製造耐腐蝕製品,以用於不鏽鋼對付不了的某些介質(如鹽酸、二氧化碳、稀硫酸、次氯酸鈉和等)的腐蝕,發揮了良好的作用。
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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