≥1 piece |
Fe 3 O 4
Physical and Chemical properties:
TEST ITEMS |
SPECIFICATION |
APPEARANCE |
BLACK POWDER |
CONTENT OF Fe 3 O 4 |
90% min |
pH VALUE |
5-8 |
DENSITY |
4.5 g/ml |
SHADE |
CLOSE TO STANDARD |
oil ABSORPTION |
10-20% |
RESIDUE ON 320 MESH |
0.3% max |
WATER SOLUBLE |
0.3% max |
VOLATITE 105 °C |
1.0% max |
TINTING STRENGTH |
98-102 % |
Packing: 25kg black paper bags with pallets