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N2640 Z4 沖擊改性POM Ultraform 需要承受高沖擊應力的組件的 

Ultraform N 2640 Z4 是一種抗沖改性（PUR 改性）（POM） 共聚物牌號。具有高沖擊強度和韌性，對油表現出良好的耐化學性。具有高剛性，良好的機械強度和彈性性能，尺寸穩定性和良好的滑動摩擦性能。可使用注塑成型進行加工。它用于設計需要承受高沖擊應力的組件。典型應用包括玩具部件，如自行車車架，汽車部件，如包層元件和擋風玻璃雨刮器單元，以及夾子、按扣和緊固元件。

Ultraform N 2640 Z4 is an impact modified (PUR-modified) acetal polyoxymethylene (POM) copolymer grade. Possesses high impact strength & toughness and shows excellent chemical resistance to gasoline (including those containing ethanol and methanol), diesel fuels, and biodiesel. Possesses high rigidity, good mechanical strength and elastic properties, dimensional stability and excellent sliding friction properties. Can be processed using injection molding. It is used in designing components that require withstanding high impact stress. Typical applications include toys components such as bicycle frames, automotive parts such as cladding elements and windshield wiper units, and clips, snap and fastening elements.