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POM能代替哪5種工程塑料呢?

來源:塑膠原料發布時間:2021-01-08 16:56:33點擊率:
在應用過程中,聚甲醛往往具有性能和成本的雙重優勢,使材料的選擇更傾向于 POM。以下就和小編一起盤點一下聚甲醛可以代替一些產品。
一、替代聚酯樹脂
在一些典型的 PBT應用中,聚甲醛比 PBT性能好(因為它有較好的耐熱性和耐藥性),而且它的電學性能足夠,此時成本優勢突出。

用于 轎車的成本分別達到20%。因此在汽車制造業 PBT與增強聚酰胺、聚碳酸酯、聚甲醛的競爭中,聚甲醛不斷蠶食其市場。


二代聚碳酸酯 PC
轎車行業中 PC在內外裝飾件方面的使用歷史較長,但聚甲醛的固有性能加上相關新技術帶來的可能性和成本差異,使得 PC在內外裝飾件領域取代了大量 PC的結構方案。
三、聚酰胺替代 PA
多種多樣的聚酰胺品種,使其在工業應用中起步早,基礎好。但在一系列性能上要比聚甲醛略好一些的情況下,它確實有潛力在很多場合下取代尼龍。
進口歧管用增強聚甲醛替代尼龍的做法由寶馬福特等 汽車企業率先實現,發動機類的其他一些構件也紛紛跟進。估計一旦成功,將顯示30%的成本優勢。
4.聚苯硫醚替代 PPS
雖然 PPS在整體上比其它通用工程塑料具有優勢,但在實際應用領域、綜合性能方面與聚甲醛存在差距,以及聚甲醛本身的特性,使得聚甲醛有很好的機會進入通常被 PPS占據的應用領域。
5.聚四氟乙烯替代 PTFE
由于其具有抗疲勞和抗蠕變的摩擦磨損特性,在許多應用場合可以代替 PTFE。
聚甲醛具有極好的市場前景以及能扮演多面角色這兩個優點,是因為它有著千頭萬緒的不同用途,而且有太多現成的商品種類可供選擇,顏色的摩擦磨損特性加上出色的剛性抗蠕變和抗烴類侵蝕能力,因此其市場地位可見一斑。
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