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most common retarder in gypsum

5. Medical Applications The biocompatibility of PVA white allows it to be used in the medical field, including drug delivery systems and wound dressings. Its ability to dissolve in water makes it suitable for creating hydrogels that provide a moist environment for healing.


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Achieving the right balance in plaster and mortar mixtures is crucial for successful construction projects. One key factor that plays an essential role in this balance is the gypsum retarder. By optimizing the dosage of this additive, contractors can ensure that their plaster and mortar mixes maintain workability for extended periods, providing enough time for application while preventing premature setting.

After drying, the PVA is often ground into a fine powder or granulated, making it easier to handle and use in various applications. At this stage, additives may also be blended to enhance specific properties, such as thermal stability or solubility.


 

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