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Beijing Zhongxingte Chemical Products Co., Ltd
Main products:
Item
Standard
NH7330
NH9330
Fe3O4 ,%≥
95
Color
(compared with reference standard)
approx.
equivalent
Coloring power(compared with reference standard)
100±5
98-105
Volatile (105ºC)≤
1.5
1
0.5
Water soluble substances (%)≤
0.3
pH of water extract
5-8
Oil absorption (g/100g)
15~25
≤25
≤22
Residue on sieve 45μm(%)≤
0.1
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