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Is the drop of putty powder related to HPMC?

 2021-12-17 LANDU

The drop of putty powder is mainly related to the quality of ash calcium, but not to HPMC. The low calcium content of ash calcium and the inappropriate ratio of CaO and Ca(OH)2 in ash calcium will cause powder loss. If it has something to do with HPMC, then the poor water retention of HPMC will also cause powder drop.

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