本页面标准信息均来源于网络收集，或由参与标准制定的供应商提供，只作为参考使用，为确保测试结果的准确性、节省您的时间，如需vda 621-415标准详细信息或vda 621-415具体测试方法，欢迎与我们技术人员联系或给我们留言，我们将为您相关的技术支持。
vda 621-415标准介绍
vda 621-415英文简介
this test procedure has been developed to judge the corrosion protection of vehicle paint using an accelerated laboratory test. it is claimed that testing according to this procedure can generate results that correlate well with those seen by driven vehicles. this test is cyclic in nature, i.e.; test specimens are exposed to changing climates over time.
test specimens are placed in an enclosed chamber and exposed to a changing climate that comprises of the following 3 part repeating cycle. 24.0 hours exposure to salt spray according to din 50 021-ss. this is followed by 96.0 hours exposure to a condensing water climate according to din 50 017-kfw. this is followed by 48.0 hours exposure to an ambient climate of +18 to +28c according to din 50 014. the number of cycle repeats and therefore the test duration is variable.
please see elsewhere in this document for details of din 50 021-ss, din 50 017-kfw & din 50 014.
this test is also referred to as a cyclic corrosion test, often abbreviated to cct.
q-fog盐雾试验箱用于vda 621-415盐雾测试的流程
▼vda 621-415第三方检测机构
以上标准信息来自互联网搜索整理，如需了解完整的vda 621-415的信息或vda 621-415标准解读，欢迎详询。