Following are the properties of gypsum plaster:
- It is light in weight and unaffected by bacteria.
- It shows food adhesion to fibrous materials but only slightly soluble in water.
- It sets with less change in volume and shows negligible shrinkage on drying.
- Because of its quick drying property, finishing coats can be applied immediately.
- A porous gypsum is an important sound-absorbing material.
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