Solubility: Gypsum is moderately soluble in water, by using a solubility of about 2 grams for every liter at 25°C. Apparently, gypsum displays retrograde solubility, this means its solubility decreases as drinking water temperature improves – in contrast to most salts that turn into additional soluble in sizzling water. Gypsum https://www.propanraya.com/id/produk/eco-gypsum-ee-4050