Function
Whiteness 99
Surface water %........................................................................................................... 0.5 max.
Particle size (um)....................................................................................1 ‐ 3
ZnO %........................................................................................................................................... 37.0‐40.0
B2O3 %................................................................................................................. 48.0 ‐ 49.5
H2O(hydrate, %).................................................................................................... 13.0 ‐ 15.5
Fineness (Residue on 45um sieve, %).............................................................................. 0.1 max.
Specific gravity..................................................................................................2.67
Melting point °C...................................................................................................... 980
Temp. of dehydration °C................................................................................................. 290
Refractive index................................................................................................................................... 1.58
These properties are typical but do not constitute a specification either in part or as a whole.
Specification data is available on request from sales, customer service or customer technical service.
Guangzhou XiJia Chemical Co.,Ltd