... Grade 2.white Granular 3.Large Stock,Fast Delivery 4.Manufacturer Basic Properties: Colorless or white crystalline, particle or powder,Without ... . Astringent taste. In the dry air weathering, 280 °C lost all gesso, 500 °C above decomposition. 1 g soluble in 0.6 ... to customer requirements)Delivery Date: within 15 days after confirmation Manufacturer of Zinc Sulphate fertilizer