WY-400 silicon powder for electric current transformer apg and
casting 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.
Shanghai Wenyou industry co., Ltd. Is located in Fengxian
District,Shanghai ,China.It is a professional company engaged in
the manufacturing,R&D,sales of the epoxy resin,curing agent and
other Products.Our products include epoxy resin,Flame retardant
resin,curing agent,outdoor modifier,toughening agent ,epoxy
paste,demoulding agent and filler,they are not only sold in
china,but also exported to Europe,Southeast Asia,Middle East region
and Russia and the other CIS countries.
The company has passed management system of ISO9001 and
ISO14001,the European Union"SGS",and also the United States UL
certification.The products comply with ROHS and REACH safety
regulations,which are widely used in indoor and outdoor 10-1100KV
high voltage electrical insulation,such as:high voltage switch
insulation parts,mutual inductors,transformers,reactors,etc.All
kinds of electronic components and products can be applied to
different application process and molding equipment,such as vacuum
pressure casting technology and APG technology.The Quality of our
products is the award-winning in the market,and also established a
good reputation for our company.
Wenyou is based on china,serving for global electricity,providing
stable products and high quality service to all of the world
