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Hydroxypropyl Methyl Cellulose (HPMC): The Rheology Control Master for Exterior Wall Finishing Materials

In modern building exterior wall systems, External Wall Insulation Mortars (EWIM) and Skim Coats are critical for ensuring both the thermal performance and aesthetic finish of the system. However, whether it's a thick layer of insulation mortar or a thin layer of skim coat, efficient application on vertical surfaces demands extremely high standards for the material's workability and sag resistance. Hydroxypropyl Methyl Cellulose (HPMC), an indispensable polymer additive, is the secret weapon for achieving these crucial rheological properties.

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