Solubility: Gypsum Is reasonably soluble in h2o, using a solubility of about two grams per liter at 25°C. Curiously, gypsum displays retrograde solubility, that means its solubility decreases as drinking water temperature improves – unlike most salts that develop into more soluble in scorching water. Hydration of Anhydrite: Gypsum also https://www.propanraya.com/id/produk/eco-gypsum-ee-4050