What is the solid content in kaolin index?
Refers to the content of kaolin will not be issued, the method of detection is not very clear.
The specific value of free silica is very difficult to detect, can now to some of the testing counseling, testing agencies can usually according to some detection methods of the data obtained or issued by the "free" phenomenon or less... Report.
Solid content is to put kaolin in a certain amount of water, and when the solution reaches a certain viscosity, the ratio of the amount of kaolin added to the solution should be 70%, which means washed kaolin