Silicon Metal 421 1,Si: 99.2%min; Fe: 0.40%max; Al: 0.10-0.15%max; Ca: 0.10%max; Size:10-100mm or 0-3mm, 0-5mm 2,CIQ ,SGS,IS
High Quality silicon metal #421 factory
Specifications:
1.CIQ ,SGS,ISO quality certificate.2. As your requirement to adjust the contend of each element.3.Low contend of microelemen
4.The silicon metal is silver grey or dark grey powder, Heat-resistance and good performance.
5.Chemical Content:
Grades | Chemicals Composition | |||
Si% | Fe% | Al% | Ca% | |
%(min) | %(max) | |||
#421 | 99.2 | 0.40 | 0.10-0.15 | 0.1 |
Size | 10-50mm, 50-100mm, 10-100mm, 90%min or at customers’ option. | |||
Packing | In 1MT big bag or Customized | |||
Silicon Metal Application:
1. Used in aluminum: an additive to aluminum alloys, silicon is used to increase the fluidity and tenacity of Aluminum and its alloys, which enjoy good castability and wewldability accordingly.
2. Used in the sun's energy to produce domestic and industrial electricity. Used in electronic parts.
3. Used in producing monocrystalline and polycrystalline silicon of high purity for electronic parts. such as semi conductors, etc.
4. Used in Automobbile wheel alloy.
High Quality silicon metal #421 factory
