White, yellowish powder or six party crystallization. Without
odour. Bitter taste. Under normal pressure can sublimate. Can
absorb carbon dioxide from the air. Heated to **0 ℃ color to become
yellow, but after cooling into white again. Soluble in dilute
acetic acid, mineral acid, ammonia, hydrogen and ammonium carbonate
oxidation alkali solution, hardly soluble in water. The relative
density of 5.*7 (six party crystal), (d**4) 5.**7. Melting point
more than ***0 ℃. Refractive index (nD) 2.***1 (2.***3).
Store in a cool, well-ventilated area. Away from the fire,
heat source. Should be stored apart and antioxidant, avoid by all
means is mixed store. Storage areas shall be with the right
material for leakage content.
Zinc oxide is a kind of common chemical additives, widely used
in plastic, Portland products, synthetic rubber, lubricating oil,
paint coating, ointment, adhesives, food, battery, flame retardant
agent and the manufacture of products
