Tungsten Foil
Product Tungsten Foil (W Foil)
Part Number TRM-W007
Standard ASTM B760
Purity 99.95% (higher purity available on request)
Density 19.25 g/cm3
CAS# 7440-33-7

Tungsten foils are made from pure tungsten which has a high melting temperature, high density, low vapor pressure, low thermal expansion, good thermal conductivity and electrical resistance. The typical purity is 99.95% and higher purity 99.99% or 99.999% is available on request.
We can offer pure tungsten foils/strips under ASTM B760 standard with .002’’ to .005’’ thickness on request. Please contact us for the RFQ.

Application: Pure tungsten foils are widely used for furnace parts, heating elements, etc.

Thermostability 95%
Machinability 45%
Corrosion Resistance 90%

Order Information

Please include the following information with your inquires and orders:
1. Quantity
2. Dimensions/Drawings
3. Surface Requirement

Chemical Composition- Tungsten (W) 99.95% min.

Element Composition, max, % Permissible Variations in Check Analysis, %
C 0.01 +/-0.002
O 0.01 +10% relative
N 0.01 +0.001
Fe 0.01 +0.001
Ni 0.01 +0.001
Si 0.01 +0.001

Typical Size Available (Please inquire for details)

Tungsten foil Any product .002’’ to .005’’ thickness. The width is typically 4’’ max. and the length is 20’’ max.

For .005’’ or more in the thickness, please refer to the tungsten plates.

Standard Packing

Wooden boxes or carton boxes

Physical Properties Tungsten (Atom#74)
Appearance Grayish white, lustrous, solid
Melting Point 3695 K (3422°C, 6192°F)
Boiling Point 6203 K (5930°C, 10706°F)
Heat of Vaporization 774 kJ/mol
Molar Heat Capacity 224.27 J/(mol•K)