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矽膠首頁 >> 新聞資訊 >>新聞資訊 >>行業新聞 >> 探究進行矽膠制品企業出現暗痕的原因

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探究進行矽膠制品企業出現暗痕的原因

有機矽産品的暗色痕迹屬于不良外觀，表現爲成型後産品表面呈雙色或無序波紋狀，波紋分布無序，影響整體美觀。矽橡膠制品具有開放的多孔結構，能吸附許多物質，是一種很好的幹燥劑、吸附劑和催化劑載體。密封圈有优异的综合性能和良好的技术经济效果，故已在航空、航天、电气、化工、仪表、汽车、建筑、轻工、机械等工业以及医疗卫生、日常生活各个领域中获得了广泛的应用。它通常与生产有关，但也有一些次要的原因值得关注。

矽膠産品暗斑原因:

　　一、發泡矽膠條廠家進行介紹成型工作溫度要求過高或排料方式方法不合理也會造成矽橡膠産品結構表面不同顔色信息不一致：排料方式存在不合理也會造成暗痕不良，通常表現爲膠料裁切過厚或過窄；成型過程中溫度可以超過色母的耐溫範圍時，造成色母變色，形成企業造成暗痕。

　　二、色母的耐溫性能質量太差，造成矽橡膠進行産品結構表面水波紋。成型時容易發展産生暗痕的膠料，其顔色信息都是由兩種基于以上的色母調配而成，如果通過幾種色母的耐溫性能要求相差太遠，這就直接導致在高溫材料成型時，有些色母沒有一個變色，而有些色母因爲具有耐溫性能太差而變色，造成矽橡膠産品設計成型後表面是否有水波紋的現象。

三、泡沫矽膠条生产厂家介绍了不同批次的橡胶材料混合成型，导致硅橡胶产品表面颜色不一致。与配方中的粒度有差异，如颜色和硬度的差异。如果这两批化合物混合在一起形成，会发生以下情况：体积较大的产品容易看到两种颜色，体积较小的产品一般看不到两种颜色。

探究進行矽膠制品企業出現暗痕的原因

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