O-level Zinc Phosphate

O-level zinc phosphate
product name: zinc phosphate
product type: anti-corrosion pigment
product appreance: white powder
chemical calss: zn3(po4)2·2h2o
cas no．:7779-90-0
product application: zinc phosphate helps the formation of passivation layer on the metal surface to be protected. Material for anti-corrosion paint used in container, ship and steel structures.also for electronic materials
technicaldata
test item requirement
whiteness% 80-90
zn% min45
po4% 20-30
moisture% max1.0
oil absorption (ml100g) 25-35
the ph value 6-8
residue on sieve (325mesh)% max0.5
mean particle size(μm） 45
standard packaging 25kgbag, plastic-lined woven bag or composite paper bag
transport and storage
protect against weathering. Store in a dry place and avoid extreme fluctuations in temperature. Special conditions for opened packaging: close bags after use to prevent the absorption of moisture and contamination