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ASTM耐臭氧老化试验箱影响臭氧浓度的主要5个因素


2024-07-10


ASTM耐臭氧老化试验箱,又被叫作耐臭氧老化试验箱或臭氧试验机等,它是一种用于模拟和加速材料在臭氧环境下老化过程的设备,广泛应用于橡胶、塑料、涂料、电缆绝缘护套等材料的性能测试领域。

近期,一些用户问道:ASTM耐臭氧老化试验箱影响臭氧浓度的5个因素有哪些呢?本文介绍有关于它的主要因素包括:

ASTM耐臭氧老化试验箱

1.臭氧发生器的性能:臭氧发生器是产生臭氧的关键部件,其性能直接影响到臭氧的产生浓度和稳定性。"采用一体化臭氧浓度、温湿度控制器(设置方式为轻触按键式),集成度高,可靠性能好,LED显示,显示分辨率温度(0.1℃)、湿度(0.1%RH)、臭氧浓度(1pphm),PID设定值控制,操作方便"。

2.空气循环和分布:试验箱内的空气循环装置确保臭氧气体在箱内均匀分布,"空气循环装置:内置循环风道,试验气流均匀地从上往下平行于试件表面,符合国标"。

3.温度和湿度控制:温度和湿度对臭氧的稳定性有显著影响,需要精确控制以保证测试条件的一致性。"温度范围 25℃~65℃" 和 "湿度范围 50%~95%R·H"。

4.样品的放置和状态:样品的放置方式、是否拉伸以及与臭氧化空气的接触程度都会影响测试结果。"在所要求的伸长下用夹具固定试样的两端,与臭氧化空气接触时,试样的长度方向要与气流方向基本平行"。

5.试验箱的密封性:试验箱的密封性能保证臭氧不会泄漏,确保测试环境的准确性。"试验箱采用密封设计,避免臭氧泄漏造成不良影响"。

以上关于ASTM耐臭氧老化试验箱影响臭氧浓度的主要因素的介绍。

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