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Address: No.8,Lane 328, Minle Rd. Fengxian 201419,Shanghai P.R.China
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WY-400 silicon powder for electric current transformer production process
WY -400
Particle size (typical value) and characteristics
| WY - 1 2 E S T | WY-12X | WY-400 | ||||
| D95 | Upper grain size |  95% | in µm | 50 | 100 | 75 |
| D50 | Average grain size |  50% | in µm | 16 | 32 | 24 |
| Grid size | in µm |
residue-％ | ||||
| Alpai air flow sifter | ||||||
| 250 | 0.1 | 0.1 | ||||
| 200 | 0.5 | 0.7 | ||||
| 160 | 3 | 4 | ||||
| 125 | 0.1 | 10 | 12 | |||
| 100 | 0.5 | |||||
| 63 | 2 | |||||
| 40 | 12 | |||||
Particle size related properties (typical value)
WENYOU® WY -400
| Bulk density | g/cm3 | 2.0-2.2 | |
| Specific surface area | m2/g g/100 g | 0.8-1.0 | |
| Oil absorption | 16-20 | ||
Tristimulus value | X | 74-78 | |
| Y | 76-80 | ||
| Z | 83-87 |
Physics (typical value)
WENYOU® WY -400
| density | g/cm3 | 2.60-2.70 |
PH | WY-12X | 9 |
| WY-12EST, | 7 | |
| WY-400 | 8 | |
| hardness | 6.5-7.5 | |
| Coefficient of linear thermal expansion |  20-300°C | 14*10-6*K-1 |
Chemical composition
WY -400
weight-%
| SiO2 | 98.5 |
| Al2O3 | 0.75 |
| Fe2O3 | 0.05 |
| CaO+MgO | 0.1 |
| Na2O + K2O | 0.1 |
| Loss on ignition 1.20°C/2h | 0.2 |
WENYOU® It is processed from natural minerals. All data are approximate, and the tolerance depends on production and output. This is only a descriptive feature and does not represent any guarantee of specific characteristics. There may be coarse particles. Users are also requested to jointly test their relevant stability, if necessary. We can provide more experience in tolerance and technology. The sales volume depends on the sales and delivery conditions.
