dahgieyq Si≥99.99% Metal Silicon Polycrystalline Silicon High-Pure Silicon 100g 500g Pure Silicon Ingot for Smelting Experiments(Polycrystalline 1kg)

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Si99.99% Metal silicon Polycrystalline silicon High-Pure silicon 100g 500g Pure Silicon Ingot for Smelting Experiments
Product Name:Polycrystalline silicon
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Hign-concerned Chemical : None
Origin : Mainland China
Product Name : Polycrystalline silicon
Material : Silicon
Purity : 99.9%