Shanghai Tankii Alloy Material Co.,Ltd
                                                                                                           
Verified Supplier
45 Years
Since 1981
Menu

Dumet Wire 0.35mm Red Color Filament for Light Bulb Sealing - 0.2-1.42mm Diameter Range with 65kg/mm² Tensile Strength

Price Negotiable
Price: Negotiable
MOQ: Negotiable
Delivery Time: 5~10 days
Brand: Tankii
Product Description
Dumet Wire 0.35mm Red Color Filament Sealing Material

Shanghai Tankii Dumet is a permanent matching double metal alloy material designed for soft glass sealing applications. This specialized wire features excellent thermal expansion coefficient, mechanical properties, and physical characteristics for reliable performance in demanding environments.

Applications
  • Electric vacuum components
  • Electric light source devices
  • Semiconductor discrete devices
  • Vacuum electronics
  • Lamp filament applications
Available Specifications
  • Diameter Range: 0.2mm to 1.42mm
  • Wire Color: Customizable per customer requirements
Dumet Wire Technical Specifications
White Dumet Wire
ParameterSpecification
ApplicationInsert type bulb for auto light and motorcycle light
DiameterΦ0.2-0.5mm
Ni (core wire)41-43%
Cu24-26%
Tensile Strength≤65kg/mm²
Elongation≥20%
Expansion CoefficientRadial: 82-92×10⁻⁷cm/cm/ºC
Axial: 62-65×10⁻⁷cm/cm/ºC
Bright (Anti-Humidity) Dumet Wire
ParameterSpecification
ApplicationLighting energy-saving lamps, ordinary lamp, small round bulb
DiameterΦ0.3-0.5mm
Ni (core wire)41-43%
Cu21-30%
Tensile Strength≤65kg/mm²
Elongation≥20%
Expansion CoefficientRadial: 82-92×10⁻⁷cm/cm/ºC
Axial: 62-65×10⁻⁷cm/cm/ºC
Yellow Dumet Wire
ParameterSpecification
ApplicationEnergy-saving lamps, auto lamp light use
DiameterΦ0.3-0.5mm
Ni (core wire)41-43%
Cu23-28%
Tensile Strength≤65kg/mm²
Elongation≥20%
Expansion CoefficientRadial: 82-92×10⁻⁷cm/cm/ºC
Axial: 62-65×10⁻⁷cm/cm/ºC
Red Dumet Wire
ParameterSpecification
ApplicationGeneral bulb, holiday light, mini bulb, Christmas lights, small round bulb
DiameterΦ0.3-0.5mm
Ni (core wire)41-43%
Cu21-23%
Tensile Strength≤65kg/mm²
Elongation≥20%
Expansion CoefficientRadial: 82-92×10⁻⁷cm/cm/ºC
Axial: 62-65×10⁻⁷cm/cm/ºC
Packaging & Delivery
  • Packaging: Carton Box, Wooden case
  • Delivery Time: 5-20 days depending on order quantity
Product Images
Dumet wire product display showing red color filament material Dumet wire packaging and spool configuration Technical specifications and quality control of dumet wire Dumet wire manufacturing process and quality assurance

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shanghai Tankii Alloy Material Co.,Ltd
Location 1900 Mudanjiang Road, Baoshan District, 201999, Shanghai, China
Contact Person Martin Lee

Request A Quote

Please check your email address.
Your message must be at least 20 characters.