re whiteness of white cement

Hi dear Ted !

 Of course. For a good professional is obvious. I have used both in the form of phosphogypsum or ftorangidrit.  But I still compacting of raw mix at a high pressures. I always compacting all that fall into my hands. There are fine moments. SO3 at a certain temperature starts to fly and will be created a free lime.

With the best regards !

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re whiteness of white cement

The whiteness of white cement is primarily determined by the Fe2O3 content of the white cement clinker. White cement is whiter than white clinker because it has a higher surface area.

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