Specification :

Product Name: Iron oxide black

1. Product Overview: Formula Fe2O3FeO, with a saturated blue-black ink light-colored, strong, high hiding power, light-fastness is good.
2. Specifications Model: 722/ 732.
3. Usage: widely used in colored cement, bricks, paint, paints, building materials, rubber, plastics and other fields.
4. Storage conditions: store in a dry place without rendering damp, avoid high temperature and with the acid-base complex isolation. According to the above storage conditions, unpackaged products effective storage period of three years.
5. Packing: 25 kg / bag, outer plastic inside compiled.
6. Instructions for use:
Used in cement, iron black ratio is 2 ~ 4% . Adequate mixing.

Test item
The indicator
Test results

Fe3 O4 content, e%
90
95

Water, d%
1.0
0.8

Water-soluble matter, d%
0.5
0.4

Sieve residue ( 325 mesh) %
0.5
0.3

Oil Absorption ( ml/ 100g)
15 ~ 25
20

pH,
5.0 ~ 8.0
7.0

Color strength, %
100 ± 5
99

Conclusion: This product is eligible.