0.35mm Diameter Dumet Wire for Lighting Lamps with 41-43% Nickel Core and Thermal Expansion Coefficient 82-92×10⁻⁷ cm/cm/℃

Price Negotiable

Price: usd + 18.6 + kg

MOQ: 30kg

Delivery Time: 7-10 day

Brand: TANKII

Product Description

Dumet wire is a specialized bimetal alloy material designed for permanent matching with soft glass sealing applications. This material offers excellent thermal expansion coefficient compatibility, mechanical properties, and physical characteristics suitable for various electronic components.

Dumet Wire Applications

Widely used in electric vacuum components, electric light source devices, semiconductor discrete devices, and vacuum electronics manufacturing.

Dumet Wire Technical Specifications

Dumet Oxide

Application	Diameter Range	Core Wire Composition	Technical Parameters
Semiconductor devices including Glass diodes DO-34, DO-35, LL-34, DO-41	Φ0.2-1.42mm	Ni: 41-43% \| 46-48% Cu: 20-25% \| 14-19%	Tensile strength: ≤65kg/mm² Elongation: >20% Expansion coefficient: Radial 82-92×10⁻⁷ cm/cm/℃, Axial 82-92×10⁻⁷ cm/cm/℃

White Dumet

Application	Diameter Range	Core Wire Composition	Technical Parameters
Insert type bulbs for automotive and motorcycle lighting	Φ0.2-0.5mm	Ni: 41-43% Cu: 24-26%	Tensile strength: ≤65kg/mm² Elongation: ≥20% Expansion coefficient: Radial 82-92×10⁻⁷ cm/cm/℃, Axial 62-65×10⁻⁷ cm/cm/℃

Bright (Anti-Humidity) Dumet

Application	Diameter Range	Core Wire Composition	Technical Parameters
Energy-saving lamps, ordinary lamps, small round bulbs	Φ0.3-0.5mm	Ni: 41-43% Cu: 21-30%	Tensile strength: ≤65kg/mm² Elongation: ≥20% Expansion coefficient: Radial 82-92×10⁻⁷ cm/cm/℃, Axial 62-65×10⁻⁷ cm/cm/℃

Yellow Dumet

Application	Diameter Range	Core Wire Composition	Technical Parameters
Energy-saving lamps, automotive lighting applications	Φ0.3-0.5mm	Ni: 41-43% Cu: 23-28%	Tensile strength: ≤65kg/mm² Elongation: ≥20% Expansion coefficient: Radial 82-92×10⁻⁷ cm/cm/℃, Axial 62-65×10⁻⁷ cm/cm/℃

Red Dumet

Application	Diameter Range	Core Wire Composition	Technical Parameters
General bulbs, holiday lights, mini bulbs, Christmas lights, small round bulbs	Φ0.3-0.5mm	Ni: 41-43% Cu: 21-23%	Tensile strength: ≤65kg/mm² Elongation: ≥20% Expansion coefficient: Radial 82-92×10⁻⁷ cm/cm/℃, Axial 62-65×10⁻⁷ cm/cm/℃

Boron Free Dumet

Application	Diameter Range	Core Wire Composition	Technical Parameters
Cold cathode lamps and various special decorative lighting	Φ0.18-0.6mm	Ni: 41-43% Cu: 21-30%	Tensile strength: ≤65kg/mm² Elongation: ≥20% Expansion coefficient: Radial 82-92×10⁻⁷ cm/cm/℃, Axial 62-65×10⁻⁷ cm/cm/℃

Light Tinge Dumet

Application	Diameter Range	Core Wire Composition	Technical Parameters
LCD displays, computer and television screen applications	Φ0.3-1.2mm	Ni: 41-43% Cu: 15-25%	Tensile strength: ≤65kg/mm² Elongation: 18-20% Expansion coefficient: Radial 82-92×10⁻⁷ cm/cm/℃, Axial 62-65×10⁻⁷ cm/cm/℃