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With high quality satisfying ISO 6745, Hanchang’s zinc phosphate dominates Korean market and it is also exported.
Hanchang’s zinc phosphate exhibits consistent particle size distribution based on accumulated technology and stabilized production system,



White Powder

Corrosion of a metal surface is due to its reaction with surrounding oxidants,
such as air, water and carbon dioxide. Zinc phosphate helps the
formation of passivation layer on the metal surface to be protected.


Production Capacity: 180 MT/month

Coatings grade: zinc phosphate with d(0.5) within 9 ~ 12 μm.
Electronics grade: zinc phosphate with d(0.5) within 14 ~ 20 μm
Other grades: upon customers’ request, zinc phosphates with other
                              particle size can be produced .



제품사양 목록
TEST ITEM UNIT Coatings Grade Electronics Grade
Appearance - White powder White powder
ZnO wt.% Min. 53.0 56±2
P2O5 wt.% Min. 31.0 32±1
Pb wt.% Max. 0.05 Max. 0.01
Cd wt.% Max. 0.01 Max. 0.01
Sieve residue (+325 mesh) wt.% Max. 0.1 Max. 0.1
Free moisture wt.% Max. 2.0 Max. 2.0
Specific gravity - 3.0 ~ 3.6 3.0 ~ 3.6



포장 목록
Product Unit Weight Package
Zinc phosphate 20 kg PP bag, Paper bag
300 kg, 400 kg, 500 kg PP bag



Contact : isales.zinc_phosphate@hanchem.com