20g grams of 99.99% High Quality and High Purity Silicon Metal Element Monocrystalline Si Block Lumps .

20g grams of 99.99% High Quality and High Purity Silicon Metal Element Monocrystalline Si Block Lumps .
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sku: 1005002955103034
$3.36+19%
$3.99
Shipping from: China
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