It is white and nonpoisonous powder. It can be dissolved easily in hydrochloric acid, sulfuric acid, dimethyl sulfoxide, etc. but not in water, ethyl alcohol, benzene, acetone, etc. It has good dispersibility and stability property. It can be used as flame retardant, meanwhile it can abate smoke. When it is used with Antimony Trioxide, Chlorinated Paraffin-70 together, the effectiveness of flame retardant will be better than ever. Zinc borate can be used as a flam retardant in PVC products, rubber, coating, textile fabric, and make wood to mothproof, etc. It also can be used instead of antimony trioxide all or partly.
ZnO Content (By Weight): 37.5 ± 1.5
B2O3 Content (By Weight): 48.0 ± 1.5
Ignition loss (450°C): 14.5 ± 1.0
Free Water (105°C Weight Loss): 1.0 max
Average Particle Size: 3-6, 6-10, 10-15
Sieve Residue (Through 325mesh): 1.0% max