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Molochite mullite sand chamotte sand as refractory material for investment precision casting foundry
Get Latest Price
US$ 0.25
≥1000 Kilograms
US$ 0.22
≥10000 Kilograms
US$ 0.15
≥200000 Kilograms
Quick Details
SiO2 Content (%):
50-55%
Al2O3 Content (%):
44-52%
MgO Content (%):
0.3%
CaO Content (%):
0.3%
Product Details
Product Description
Characteristic
1.
Low Thermal expansion coefficient, good collapsibility .
2.
High chemical stability and corrosion resistance.
3.
Suitable particle shape and uniform size distribution, Good mold shell performance.
4.Low iron and d
ust con
tent.
5.
High hardness, abrasion resistance, avoid dust generation.
6.
Using high-quality hard clay, with stable casting and excellent shelling performance, with the quality comparable to MOLOCHITE
Specification
|
Shape
|
Sand, Granule, Powder
|
|
Material
|
Mullite
|
|
Size
|
0.1-0.3mm, 0.18-0.5mm, 0.3-0.7mm, 0.5-1.0mm, 0.7-1.0mm, 0.7-1.5mm, 16-30mesh，30-60mesh，120mesh, 200mesh, 325mesh, etc.
|
|
OEM
|
able to customize the size as requested
|
|
AL2O3
|
44-52%
|
|
FE2O3
|
2% Max
|
|
SiO2
|
50-55%
|
|
TiO2
|
1.32%
|
|
LOI
|
0.5%
|
|
Free Fe
|
500PPM Max
|
|
PH value
|
6-9.5
|
|
Bulk Density
|
2.45g/cm3 Min
|
|
Dust content amount
|
230ppm max
|
|
Hot expansion rate
|
5.9*10¯6（0-1000℃）
|
|
Cristobalite
|
16.4%(15-20)
|
|
Apparent porosity
|
10.7%
|
Applications
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