Iron Oxide Black

Type: 722//8604//8603//8602

Fe₃O_4: ≥95//≥90//≥95//≥93

Oil absorption (%): 15-25

Residue on bolted (%): ≤0.4

Water soluble: ≤2.0

Moisture (%): ≤1.0

PH-value: 5-7

Density: 0.9-1.2

Particle Shape: spherical

Color difference vs standard: ≤1

Tinting strength (%): 95-105

Description:

Character:

1. Black powder, strong tinting and covering

2. Lightness alkali resistant, only dissolved in heat strong acid

Application:

1.Industry coating,strong antirust

2. Pigment of watercolour and grease-paint

3. Tinting of the scagliola and concrete floor

4. material of the magnetic steel in telecommnication