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Pó de Tungstênio

Aparência: Pó de Tungstênio is dark grey, spraying Pó de Tungstênio is bright grey.
Aplica??o: Para placa W grande, termopar W-Re, da liga de contato etc.
Especifica??es:

Grau Composi??o principal Min. W (%) O teor de oxigénio (%) Especifica??es Tamanho de Partículas (μ m)
FW-1 ≥99.9 ≤0.20 Negociado pela
Ambos os Lados
FW-2 ≤0.25
FWP-1 ≤0.20

Impureza conteúdo:

Grau FW-1 FW-2 FWP-1
Impureza conteúdo Max. (%) Pb 0.0001 0.001 0.001
Bi 0.0001 0.001 0.001
Sn 0.0001 0.001 0.001
Sb 0.001 0.001 0.001
As 0.002 0.002 0.002
Fe 0.005 0.020 0.030
Ni 0.002 0.005 0.005
Cu 0.001 0.003  
Al 0.001 0.003 0.005
Si 0.002 0.010 0.010
Ca 0.001 0.005 0.005
Mg 0.001 0.005 0.005
Mo 0.005 0.020 0.020
P 0.001 0.005 0.005
C 0.005 0.008 0.010
K 0.015 0.002  
Na 0.015 0.002  
Co 0.001    
Cr 0.001    
Ti 0.001    
V 0.001    
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