Zinc Borate 2335 Cas No:12767-90-7_138265-88-0 zxchem group(1)

Zinc Borate 2335

  • CasNo.:12767-90-7/138265-88-0

  • Synonyms: FIREBRAKE(R) ZB

  • Packing: Net in 25kg bag

  • Origin: China

  • Chemical Properties: Check More

ItemStandards
AppearanceWhiteness powder
Whiteness95-98
Surface water≤0.5%
Particle size3-5um
ZnO37.0% - 40.0%
B2O347.0% - 49.0%
H2O(hydrate)13.0% - 15.5%
Fineness (Residue on 45um sieve )≤0.5%
Bulk density400g/cm3 - 500g/cm3
Specific gravity2.67g/cm3
Temp. of dehydration>320℃
Melting point980℃
Refractive index1.58