TEST ITEMS
SPECIFICATION
APPEARANCE
GREEN POWDER
CONTENT OF Fe 2 O 3
--
pH VALUE
6-9
SHADE
CLOSE TO STANDARD
OIL ABSORPTION
20-30%
RESIDUE ON 320 MESH
0.3% max
WATER SOLUBLE
1.0% max
VOLATITE 105 °C
TINTING STRENGTH
98-102 %