Does HPMC participate in chemical reactions on Skim coat/Wall putty?

HPMC mainly have the effect of thickening, water-retention and constructability in Putty powder:

  • Thickening: HPMC can thicken the solution and give the solution suspension and consistency effect. Have good effect of anti-sagging.
  • Water-retention: Let putty powder dry more slowly, assist hydrated reaction of ash-calcium.
  • Constructability: HPMC’s lubrication action gives putty powder good constructability.

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