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QUV紫外光加速老化试验机的紫外线光源有哪些?


2024-07-17


QUV紫外光加速老化试验机,又可以叫紫外荧光老化试验机紫外老化试验箱设备等,是实验室中广泛使用的一种加速耐候试验设备。同时,它能够模拟阳光中的紫外线、热量和湿气等环境因素,对材料(如涂料、建材、油墨等)进行加速老化测试。

近期,看到一些用户对于QUV紫外光加速老化试验机的紫外线光源有哪些?本文将根据这个问题给大家说说关于该设备的基础信息如下:

QUV紫外光加速老化试验机

QUV紫外光加速老化试验机使用的紫外线光源主要包括UVA-340和UVB-313两种类型的荧光紫外灯管。"UVA-340 灯管在紫外线的短波段提供较佳的模拟太阳光",其光谱能量分布(SPD)在太阳光的截止点到大约360nm范围内与太阳光吻合得非常好,适合大多数材料的耐候性测试。而"UV-B灯管在QUV中也被广泛应用",它们比UVA灯管引起材料更快的老化,但它们的比太阳光的截止点更短的波长对许多材料可能产生不切实际的结果。

QUV试验机通过使用这些特殊的荧光紫外灯管,可以模拟自然阳光中的紫外辐射,并结合冷凝或水喷淋的方式模拟露水和雨水,从而在较短时间内加速再现材料在户外可能遭受的老化效果,如褪色、光泽消失、粉化、龟裂等。

综上所述,关于QUV紫外光加速老化试验机的紫外线光源种类介绍。

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