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Tungsten is generally obtained as a dull grey powder, which is difficult to melt. The bulk metal is lustrous an silvery-white, and resists attack by oxygen, acids and alkalis.
T 4707 (OTTO) Tungsten single crystal foil, 1 μm thick, 99.95% Cas 7440-33-7 - used in alloys, to which it imparts great strength, in light bulb filaments and cutting tools.
WGK Germany nwg
Certificate Of Analysis
(For eg. B 1615-0108)
Other Documents
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7439-89-6
Iron rod, dia 3 mm, 99.95%
7440-02-0
Nickel foil, <1 mm thick, 99.9%
Nickel foil (0.125mm thick) 99.8%
7440-33-7
Tungsten powder, 4-6 μm, 99.9%
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DisclaimerThe above particulars do not release the customer from the obligation to carry out an inspection of goods received. Not for medical, household or any other uses, for lab use only, Please test before use.