Product Description
CAS No.:1317-61-9
Characteristics:Black poeder,High tinctorial power;High light,heat,alkali and corrosion
resistance
|
Item
|
Standard
|
NH7330
|
NH9330
|
|
Fe3O4 ,%≥
|
95
|
95
|
95
|
|
Color
(compared with reference standard)
|
approx.
equivalent
|
approx.
equivalent
|
approx.
equivalent
|
|
Coloring power(compared with reference standard)
|
100±5
|
98-105
|
98-105
|
|
Volatile (105ºC)≤
|
1.5
|
1
|
0.5
|
|
Water soluble substances (%)≤
|
0.5
|
0.5
|
0.3
|
|
pH of water extract
|
5-8
|
5-8
|
5-8
|
|
Oil absorption (g/100g)
|
15~25
|
≤25
|
≤22
|
|
Residue on sieve 45μm(%)≤
|
0.3
|
0.1
|
0.1
|
Packing:25kg compound paper bag／500kg, 1000kg plastic woven bag
Applications:Widely used in coating,inks,building materials and paper for coloring