Solubility: Gypsum is reasonably soluble in h2o, using a solubility of about 2 grams per liter at twenty five°C. Curiously, gypsum reveals retrograde solubility, indicating its solubility decreases as water temperature boosts – compared with most salts that turn out to be extra soluble in very hot drinking water. Gypsum https://www.propanraya.com/id/produk/eco-gypsum-ee-4050