Iron oxide black

Buying notice:
1.For lower prices or bulk prices, welcome email to us make further negotiation. We will check whether have cheaper freight costs to your address.
2. When we delivery, we maybe need to use other products name to write on parcel, in order to avoid high certificate costs for air transport, hope can understand this.
3. After received payment, we will send out parcel to another city wait for delivery. Estimate can leave China to you in 3 days.
4.Due to international freight costs is high, So we usually do not accept return order. If have any problem, we will do best to make compensate, thank you for understanding.

Technical Index:
Content (Fe3o4) ≥ 90.0%
Oil absorption 15-25 ml/100g
325 mesh wet sieve residue ≤ 0.5%
Water soluble matter ≤ 0.5%
Moisture ≤ 1.5%
PH 5-8
Density 0.8-1.2g /cm3
Particle shape spherical
Coloring power 95~105 %
Color difference △E ≤1.0