99.99% WSe2 Powder Price Tungsten Selenide
US $0.10-$15.00
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Specifications | ||||||||
Grade | Chemical Composition(%) | |||||||
Si | Fe | Al | Ca | |||||
>= | <= | <= | <= | |||||
3303 | 99.5 | 0.3 | 0.3 | 0. 03 | ||||
311 | 99.5 | 0.3 | 0.1 | 0. 1 | ||||
441 | 99 | 0.4 | 0.4 | 0.1 | ||||
551 | 99 | 0.5 | 0.5 | 0.1 | ||||
553 | 98.5 | 0.5 | 0.5 | 0.3 | ||||
851 | 98 | 0.8 | 0.5 | 0.1 | ||||
Off-grade silicon | 97 | 1.5 | 0.5 | 0.3 | ||||
For reference only, please contact us if you have special needs. |