Купить оптом высококачественное литейное производство белого кварцевого песка SiO2


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Product Description

Buy wholesale top quality SiO2 Ukraine white Quartz sand molding foundry production


End use: Molding sand is used in foundry production.
Shipment: Bulk in railway cars or vessel holds; Soft containers (big bag) 0,4 t net.

Chemical analysis:
Contents%
GUARANTEED
SiO2 min
98,0
Banding clay, max
0,5
Fe2O3 max
0,4
I NazO + K2O + CaO + MgO, max
0,4
LoI
0,5
Moisture, damp sand, max
6,0
Moisture, dry sand, max
0,5
pH, max.
6,2-9,0
Gas permeability, m2/ pa.s
100-350
UC, %, min
80,0
Grain size, mm
0,14-0,28
Physical description and properties:
Refractory:
1645 -1770 °С
Specific Gravity:
2650 kg/m3
Bulk density:
1500 kg/m3
Grain size:
140-280 mkm
Specific surface, max:
до 10 m2/ kg
Flashing point:
Nonflammable
Solubility in Water:
Insoluble
Angle of friction:
33°
Gas permeability:
100-350 m2 / Pa*s
Hardness:
7
Minerals
Contents, %
Quartz:
97-99
Rutile:
^ 0,2
Zircon:
^ 0,1
Ilmenite:
< 0,5
Kyanite:
0,5-1
Clay:
0,5
Sieve Aperture (microns)
Cumulative retained %
400
1
315
7
200
52
160
90
100
98
63
99,8
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