Our raw stones are in their natural state, which means they are not pre-cleaned. However, this has no impact on the product quality! Any possible impurities such as dust or dirt can be easily and quickly removed with water in most cases.
Polycrystalline synthetic silicon with a purity of 99.999%, 1 kg.
This silicon comes from German production and has a high purity quality.
To produce silicon with a purity of 99.999%, quartz sand or quartz gravel is converted in an energy-intensive process. From this you get synthetic silicon.
Picture shows sample only.
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|shipment-weight, NOT netto weight (kg)||1.100000|