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EVA胶膜的种类与用途 - 深圳太阳能板厂家/工厂,专注太阳能板生产15年-幻启科技(深圳)有限公司

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EVA胶膜的种类与用途

幻启太阳能科技 11/01/2021

EVA一种热固性有粘性的胶膜,用于放在夹胶玻璃中间(EVA是Polyethylene vinylacetate,聚乙烯-聚醋酸乙烯酯共聚物的简称)。 由于EVA胶膜在粘着力、耐久性、光学特性等方面具有的优越性,使得它被越来越广泛的应用于电流组件以及各种光学产品。

EVA胶膜的种类与用途

1、EVA玻璃中间胶膜:EVA胶膜是一种具有粘性的热固性胶膜,一般使用于夹胶玻璃中间(EVA是Ethylene乙烯Vinyl乙烯基Acetate醋酸盐的简称)。在国家标准《GB9962-99》中允许采用EVA胶片做夹层玻璃。

2、EVA太阳能电池胶膜:此EVA胶膜在常温下无粘性,在太阳能方面一般主要应用于太阳能电池的封装。此操作简单方便。EVA胶膜在热压的情况下产生粘接加强的变化,此过程中产生的粘合性密封为永久性的。

EVA胶膜使用注意事项

1、在使用过程中,要注意防潮防尘,避免与带色物体接触。

2、不要将脱去外包装的整卷胶膜暴露在空气中。

3、分切成片的胶膜如不能当天用完,就遮盖紧密。

4、EVA胶膜若吸潮,会影响和玻璃的粘接力;若吸尘,会影响透光率;若和带色,不洁物体接触,由于EVA胶膜的吸附能力强,容易被污染。

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