Pouring bushing
Description:
It is applied to low pressure casting aluminium alloy wheel hub or other resemblances, made of ZHONGNAI No.6 material.
Advantage:
anti-pressure, heat preservation and thermal shock resistance and impermeable to aluminium fusant, etc.
Besides general specification ,we offer the products according to the customers requirements.
Specification:
Form A ZHONGNAI material physical capability | |||||||
Working temperature | Density | Tortuous intensity | Pressure resistance intensity | Coefficient of heat conductivity | Heat linear shrinkage | Coefficient of heat expansion | |
oC | g/cm3 | kg/cm2 | kg/cm2 | 700oC(w/m·k) | 800oC(%) | 700oC(×10-8oC) | |
≥1000 | 0.6-2.5 | ≥50 | ≥105 | ≤0.2 | ≤0.3 | ≤2.77 | |
Form B ZHONGNAI material chemical composition | |||||||
Si O 2 | AL2O3 | Fe2O3 | CaO | MgO | TiO2 | K2O | Na2O |
52-55 | 42.5 | 0.88 | 0.41 | 1~2 | 1.7 | 0.5 | 1 |
Filtration box
Description:
This product made of ZHONGNAI No.5 material, is essential configuration when the ceramic foam filter is used for filtering aluminum and aluminum alloy to make smooth filtration.
Advantage:
excellent heat preservation, thermal shock resistance, resisting erosion from aluminum and aluminum alloy, high strength ,mechanical strike resistance, standard finished size, offering reliable support for filtration efficiency.
Specification:
Form A ZHONGNAI material physical capability |
|||||||
Working temperature |
Density |
Tortuous intensity |
Pressure resistance intensity |
Coefficient of heat conductivity |
Heat linear shrinkage |
Coefficient of heat expansion |
|
oC |
g/cm3 |
kg/cm2 |
kg/cm2 |
700oC(w/m·k) |
800oC (%) |
700oC(×10-8oC) |
|
≥1000 |
0.6-2.5 |
≥50 |
≥105 |
≤0.2 |
≤0.3 |
≤2.77 |
|
Form B ZHONGNAI material chemical composition |
|||||||
Si O 2 |
AL2O3 |
Fe2O3 |
CaO |
MgO |
TiO2 |
K2O |
Na2O |
52-55 |
42.5 |
0.88 |
0.41 |
1~2 |
1.7 |
0.5 |
1 |