中文字幕日韩欧美一区二区三区_欧洲一级毛片_亚洲国产精品视频_亚洲视频三区_龙珠z国语291集普通话_久久久精品456亚洲影院

Corrosion prevention is the use of various methods to protect metal objects that are prone to rusting, in order to extend their service life. Generally, physical corrosion prevention, chemical corrosion prevention, electrochemical corrosion prevention, and other methods are used.

Lighting fixtures are common anti-corrosion products we use. So, how is the anti-corrosion level of lighting fixtures classified? What does anti-corrosion grade WF1 mean?

The anti-corrosion level is classified into the following five levels according to indoor and outdoor:

The corrosion resistance level WF1 of the lamp indicates that it is suitable for moderate outdoor corrosive environmental conditions.

The standard for the implementation of anti-corrosion grade of lighting fixtures is JB/T 9536-2013 "Technical Requirements for Indoor and Outdoor Anti corrosion Low voltage Electrical Environment"

Service Hotline: 18924609560 (same WeChat account)