Transparency: Gypsum Can range between clear to translucent, according to the crystal formation and presence of inclusions. Transparent crystals permit mild to pass through Plainly, even though translucent specimens permit some mild passage but appear cloudy or hazy. Rehydration: One of gypsum’s exceptional properties is its capability to reabsorb water https://www.propanraya.com/id/produk/eco-gypsum-ee-4050