Products & Applications
Silicon metal is used, among other things, as an aluminium alloyant; it is also employed in the chemicals industry for the manufacture of siloxanes and silicones. Our silicon metal output is, to a large extent, already covered by long-term purchase agreements involving German companies as the primary customers, thus contributing to the security of raw material supplies to Germany.
Two byproducts are also part of the production process. These are silicon slag and MicroSilica. Both these product will be sold to customers around the world.
Silicon Metal
Simin |
Femax |
AlMax |
CaMax |
CO2
|
|
|---|---|---|---|---|---|
PCC BakkiSilicon 97 |
97.0 % |
1.80 % |
5,02 |
||
PCC BakkiSilicon 553 |
98.5 % |
0.50 % |
0.50 % |
0.30 % |
5,02 |
PCC BakkiSilicon 551 |
98.5 % |
0.50 % |
0.50 % |
0.10 % |
5,02 |
PCC BakkiSilicon 441 |
99.0 % |
0.40 % |
0.40 % |
0.10 % |
5,02 |
PCC BakkiSilicon 4402 |
99.0 % |
0.40 % |
0.40 % |
0.02 % |
5,02 |
PCC BakkiSilicon 421 |
99.0 % |
0.40 % |
0.20 % |
0.10 % |
5,02 |
PCC BakkiSilicon 411 |
99.0 % |
0.40 % |
0.10 % |
0.10 % |
5,02 |
PCC BakkiSilicon 3303 |
99.0 % |
0.30 % |
0.30 % |
0.03 % |
5,02 |
PCC BakkiSilicon 2510 |
99.0 % |
0.25 % |
0.10 % |
5,02 |
|
PCC BakkiSilicon 2502 |
99.0 % |
0.25 % |
0.25 % |
0.02 % |
5,02 |
PCC BakkiSilicon 2202 |
99.0 % |
0.20 % |
0.20 % |
0.02 % |
5,02 |
Size:
- 0 – 3/5 mm, 0 – 8 mm, 5 – 30 mm, 8 – 100 mm, 30 – 100 mm
- Silicon Metal Fines can be milled up to customer’s request
Packing: Big Bags with/ without pallets, bulk into container/ bulk vessel
Specific customer requirements and other sizing on request
Microsilica
Average Analysis (dry material)
| SiO2 (diff.) | 95,0% |
| AI2O3 | 0,3% |
| C* | 1,8% |
| CaO | 0,7% |
| Fe2O3 | 0,1% |
| K2O | 0,4% |
| MgO | 0,2% |
| Na2O | 0,1% |
| Loss on ignition (950°C) | 1,5% |
| Moisture when packed (378 K) | 0,2% |
| pH | 7,2 |
| BET | 20 – 27m2/g |
| Bulk density | 550 – 750kg/m3 |
Packing: Big Bags with/ without pallets
Silicon Powder
Silicon Powder 0-0,070 mm
| Chemical composition: | Screen analysis: |
| Si >98,0 % | > μ71 Max. 10 % |
| Fe ca. 0,6 % | |
| Al ca. 0,5 % | |
| Ca ca. 0,2 % | |
| Ti ca. 0,1 % |
Silicon Powder 0-0,200 mm
| Chemical composition: | Screen analysis: |
| Si >97,5 % | > 0,5 mm 0,2 % |
| Fe ca. 0,7 % | > 0,2 mm 0,5 % |
| Al ca. 0,6 % | > 0,1 mm 4,0 % |
| Ca ca. 1,0 % | > 0,08 mm 7,0 % |
| Ti ca. 0,1 % | > 0,05 mm 20,0 % |
| > 0,02 mm 50,0 % | |
| < 0,02 mm 18,3 % |
Secondary Products
| Carbon Electrode Break | Original diameter 1272 mm, ash 2.50 % max. |
| Quartz Sand | Screen undersize |
| Silicon Sculls | Si-level 45% |
| Silicon Fines |
Other Secondary Products on request
