Industrial Brush
Civilian Brush
Brush Equipment
Brush Raw Materials
Decoration Materials
∨
∧
Cr2O3: ≥46.0%
SiO2: ≤1.0%
FeO :≤26.5%
CaO :≤0.30%
MgO :≤10.0%
Al2O3:≤15.5%
P:≤0.003%
S:≤0.003%
Cr/Fe:1.55:1
Bulk Density:2.5-3
Color:Black
PH:7-9
The amount of the acid:≤ 2 ML
Percent soil:≤0.1%
Percent Moisture:≤0.1%
The sintere:1600℃
Percentage of free acid present in the sand:0
filling density :2.6g/cm³
sintering point:> 1800°C
melting temperature:2180