 오퍼게시판 |
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제 목:
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Tungsten Trioxide |
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상품분류: |
무기화학원료와 광물
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등록분류: |
Offer to Sell |
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내용: |
Additional_detail: Molecular Formula: WO3
Appearance: Light yellow
crystallized powder
Sieve Size: 250um（-60 mesh）
Apparent Density: 2.5~3.0g/cm3
Application: Mainly used as the
raw material for cemented
carbide,tungsten powder,W-base
alloy,vacuum electronic decice
and electro-optical device and
chemical industry as well
Grade and Chemical Composition
Grade WO3-0 WO3-1 WO3-2
WO3-Cr
Purity Min.（%） 99.98
99.95 99.90 -
Impurities
Max.（%） AI 0.0005
0.001 0.001 0.001
As 0.001 0.001
0.002 0.002
Bi 0.0001 0.0001
0.0005 0.0001
Ca 0.001 0.001
0.003 -
Co 0.001 0.001
0.002 -
Cr 0.001 0.001
0.001 0.32-0.40
Cu 0.0003 0.0005
0.001 0.001
Fe 0.001 0.001
0.003 0.003
K 0.001 0.0015
0.002 0.002
Mg 0.0005 0.001
0.002 -
Mn 0.0005 0.001
0.001 0.001
Mo 0.002 0.005
0.02 -
Na 0.001 0.0015
0.003 0.002
Ni 0.0005 0.0007
0.001 0.001
P 0.0005 0.001
0.003 0.003
Pb 0.0001 0.0001
0.0005 0.0003
S 0.0005 0.001
0.001 0.0001
Sb 0.0005 0.001
0.002 0.0002
Si 0.001 0.001
0.003 0.0002
Sn 0.0001 0.0005
0.0005 0.0005
Ti 0.001 0.001
0.002 -
V 0.001 0.001
0.002 -
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