- Time:2022-1-10 11:20:21 Posted:E&C Technologies(Shenzhen) Co., Ltd.
As we all know, the three-proof paint has the functions of moisture resistance, salt spray resistance and mildew resistance, so how to test its protective effect? The following small series will be introduced from three aspects.
(1) Moisture resistance test of three-proof paint
1, test method: The humidity and heat alternating test method at 40℃ is as follows:
Stage
Temperature (℃)
Relative Humidity (%)
Time (h)
Total time (h)
Rise up
30℃ to 40℃
≥85
1.5~2.0
16
High temperature and high humidity
40±2
95±3
14~14.5
Cool down
40