tungsten foil

1.Dimension and tolerance Thinkness: 0.1-10mm; Width: 30-200mm; Length:700mm max; Thickness(mm) Thickness toerance Width toerance Length toerance GradeI GradeII 0.10-0.20 ±0.02 ±0.03 ±3 ±3 0.21-0.30 ±0.03 ±0.04 ±3 ±3 0.31-0.40 ±0.04 ±0.05 ±3 ±3 0.41-0.60 ±0.05 ±0.06 ±4 ±4 0.61-0.80 ±0.07 ±0.08 ±4 ±4 0.81-1.0 ±0.08 ±0.10 ±4 ±4 1.01-2.0 ±0.12 ±0.20 ±5 ±5 2.01-3.0 ±0.20 ±0.30 ±5 ±5 3.01-4.0 ±0.30 ±0.40 ±5 ±5 >4.0 ±0.40 ±0.50 ±5 ±5 2.Specification: Density: 19.35g/cm3 W: 99.95%min; INPURITY CONTENT: ELEMENTCONTENTINPURITY CONTENT (Max)% Pb5ppmBi2ppmSn1ppmSb1ppmAs1ppmFe5ppmNi10ppmAl10ppmSi10ppmCa10ppmMg10ppmMo100ppmP10ppmC5ppmO3ppmN3ppm