Construction
Cellulose Ethers
FEATURES
General Properties: Non-ionic cellulose derivatives; white, free-flowing powders that form highly viscous, clear solutions in water.
Synergistic Role: The thick, viscous network created by HPMC/HEMC physically traps air bubbles and stabilizes them. Defoamers must possess strong spreading power to penetrate this viscous matrix, rupture the bubble walls, and release the air.
Performance Benefits:
Overcomes High Viscosity: Effectively breaks foam even in highly thickened mortar and plaster systems.
Improves Workability: Removes trapped air, resulting in a smoother, more cohesive, and easier-to-trowel mortar.
Prevents Shrinkage Cracks: Ensures uniform water retention without the weakening effect of large air voids.
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