best price low evaporation pressure tungsten filament /wire for vacuum coating

tungsten filament /wire of Product Description

Name

Tungsten wire

Purity

99.95%.Purity 99.92%, 99.98% can also be achieved if special demanded

Grade

W1, W2, WAL1, WAL2, WAL3

Surface

black, white

Specific electrical

0.055 Ohm x mm2/m resistance at 20 °C

Modulus of elasticity