tungsten filament for light

tungsten filament for light We are largest producers of tungsten lamp filaments, wire filament and other specialty components for leading lighting manufactures. Tungsten wires have high thermal conductivity, good corrosion-resistant, nice breaking- resistant. (1): grade: WAL1, WAL2, WAL3, W1, W2, (2): purity at least 99.95% Grade Tungsten % Other impurity % Each impurity % WAL1, WAL2,WAL3 ≥99.95 ≤0.05 ≤0.01 W1 ≥99.95 ≤0.05 ≤0.01 W2 ≥99.95 ≤0.05 ≤0.01 (3): application: * Tungsten heater element and other heater components in semiconductor. * High temperature lamp filament, stock-resistance filament, double helix filament, etc. * Electric incandescent lamp filament, fluorescent light filament, etc. (4): state: in coil or straight, black wire and white wire (5): specification: diameter according to customers’ requirement. We have strict quality control system and provide professional service to our customers around the world.