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XC及派生電連接器附件電連接器外殼材質發展

發布日期:2022-12-14 來源:www.frchaussureslouboutinpaschere.com

隨著對環境保護的日益重視,科技的不斷進步,標準的實施,對XC及派生電連接器材料的要求也更高。

XC及派生電連接器回流焊接技術被選擇,其具有比波峰焊更高的溫度,這意味著電連接器材料需要能夠抵抗顯著更高的溫度。一般一般材料的加熱變形溫度高于250℃。為了滿足再流焊工藝,PA6和PBT不能滿足材料加熱變形溫度高于250℃的要求,應選擇耐高溫材料替代。

為了實現可持續發展,滿足當前的要求,所選用的材料不僅要滿足耐高溫的要求,還需要無鹵阻燃劑。但目前耐高溫材料中仍含有鹵素阻燃劑,用高分子材料替代鹵素阻燃劑僅處于研發試驗階段。目前無鹵阻燃劑的焊接強度低,溫度指數也低。然而,歐洲新標準的實施要求終產品的灼熱絲性能至少要達到750℃,這對于無鹵材料來說是很難做到的。只有無鹵材料才能滿足750℃的要求。

耐高溫無鹵阻燃材料為耐高溫聚酰胺,能充分滿足上述新要求,結合高熔點、高HDT值和少量無鹵阻燃體系,同時提高力學性能和流動性能。目前已廣泛應用于家電行業。

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