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Add:No. 3-1, Lane 2058, Daye Road, Fengxian District, Shanghai
Tel:+86-021-57402287
Zip:201415
Web:www.joway-sh.com
Professional testing equipment can be timely and accurate measurement of rouge
Main ingredients color features
The first kind of FeO; Fe (OH) 2 yellow or orange is easy to generate; Easy to remove; Easy to relapse
The second category of Fe2O3 red in many forms, such as corrosion pit corrosion crack are harder to remove
The third type of Fe3O4 black clingy system inside, difficult to remove
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