Chemical white powder pure zinc oxide
Zinc oxide is an oxide of zinc. Insoluble in water, soluble in acid and strong alkali. Zinc oxide is a common chemical additive, which is widely used in the production of plastics, silicate products, rubber, lubricants, paint coatings, ointments, adhesives, food, batteries, flame retardants and other products.
Zinc oxide has large bandgap and exciton binding energy, high transparency and excellent room temperature luminescence performance. It has been applied in liquid crystal displays, thin film transistors, light emitting diodes and other products in the semiconductor field.
Item | Index |
Zinc oxide(counted by dried subtances )%≥ | 99.7 |
Lead oxide( Pb ) %≤ | 0.037 |
Cupric oxide( Cu ) %≤ | 0.0002 |
Manganic oxide ( Mn) %≤ | 0.0001 |
Hydrochloric indissoluble substance %≤ | 0.006 |
Burning decrement %≤ | 0.20 |
Water dissoluble %≤ | 0.10 |
105°C volatile substances %≤ | 0.3 |
Sieve residue(45um) | 0.10 |
25kgs packaging Fiber drum outside and plastic bag inside 1-25kgs packaging aluminium bag outside and double plastic bag inside
White powder or hexagonal crystalline system. It is odorless, tasteless and sandless. When heated, it turns yellow and dissolves in acid, concentrated alkali hydroxide, ammonia water and ammonium salt solution, but insoluble in water and ethanol.
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