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[China]
Trade Verify
Address: No. 388 Pangu Road, Baoshan district, Shanghai, 201999, China
Contact name:Martin Lee
Shanghai Tankii Alloy Material Co.,Ltd |
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Verified Suppliers
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Dumet Wire 0.35mm Red Color Used as Sealing Material For All Kinds of Light Bulb
Product introduction:
The iron nickel alloy wire whose expansion coefficient is close to
the glass's is used as the core material, and the outer layer is
covered with a copper layer with good heat and electrical
conductivity. The surface is reprocessed to form a copper oxide
film / barrel to increase the good sealing between the surface of
the copper layer and the glass.
Product application:
Bulb, fluorescent lamp, energy saving lamp, Christmas lamp,
automobile lamp and other bulb guide wire related materials
conductor materials for rectifier diodes, surge arresters,
temperature sensing control and other components.
Tankii Dumet wire consists of a nickel-iron core in an
oxygen-free-high-conductivity copper sheath.
It is available in various surface finishes: Electrically oxidised,
borax coated, nickel plated, bare (uncoated).
Borated surface finish Dumet is used in Lead-in-wires for lamps.
Dumet forms a glass-to-metal seal while manufacturing these lamps.
The oxidised Dumet is used in Lead-in-wires, diodes and capacitor
slug leads application.
White dumet
| Product group | Use | Specifications | Technical parameters | |
| White dumet | Insert type bulb for auto light and motorcycle light | Φ0.2-0.5mm | Ni(core wire) | 41-43% |
| Cu | 24-26% | |||
| Tensile strength | ≤65kg/mm² | |||
| elongation | ≥20% | |||
| Expansion coefficient | Radial:82-92*10-7cm/cm/ºC Axial:62-65*10-7cm/cm/ºC | |||
Bright (anti humidity) dumet
| Product group | Use | Specifications | Technical parameters | |
| Bright (anti humidity) dumet | Lighting energy-saving lamps, ordinary lamp, small round bulb etc | Φ0.3-0.5mm | Ni(core wire) | 41-43% |
| Cu | 21-30% | |||
| Tensile strength | ≤65kg/mm² | |||
| elongation | ≥20% | |||
| Expansion coefficient | Radial:82-92*10-7cm/cm/ºC Axial:62-65*10-7cm/cm/ºC | |||
Yellow dumet
| Product group | Use | Specifications | Technical parameters | |
| Yellow dumet | Energy-saving lamps, auto lamp light use | Φ0.3-0.5mm | Ni(core wire) | 41-43% |
| Cu | 23-28% | |||
| Tensile strength | ≤65kg/mm² | |||
| elongation | ≥20% | |||
| Expansion coefficient | Radial:82-92*10-7cm/cm/ºC Axial:62-65*10-7cm/cm/ºC | |||
Red dumet
| Product group | Use | Specifications | Technical parameters | |
| Red dumet | General bulb, holiday light, mini bulb, Christmas lights, small round bulb | Φ0.3-0.5mm | Ni(core wire) | 41-43% |
| Cu | 21-23% | |||
| Tensile strength | ≤65kg/mm² | |||
| elongation | ≥20% | |||
| Expansion coefficient | Radial:82-92*10-7cm/cm/ºC Axial:62-65*10-7cm/cm/ºC | |||
Tankii Package:
Carton Box, Wooden case
Delivery time: 5~20 days as per the order qty
