The powder loss in putty is mainly relevant to the standard of the lime powder and it has minimal to do with HPMC. Reduced calcium content material in lime powder and an improper ratio of CaO and Ca(OH)2 in lime powder can both result in powder loss. Sag Resistance: MHEC https://jaidenpeshv.blogdemls.com/31074159/everything-about-mhec-cas9032-42-2