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PM Contact Tips AgW AgWC AgSnO2 Powder Metallurgy
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PM Contact Tips AgW AgWC AgSnO2 Powder Metallurgy by Ningbo 5 Lakes - a reliable HVAC solution for global buyers. CE certified, OEM/ODM supported, reliable China HVAC supplier since 2019.
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Product Details
Product Introduction
Our PM (Powder Metallurgy) Contact Tips are produced via advanced powder metallurgy technology, offering superior performance in high-current switching applications. Available in AgC, AgW, AgWC, AgWCC, AgSnO₂, AgZnO, AgNi series, AgNiC, and CuW compositions, these tips combine the benefits of fine-grain microstructure with customizable material properties. With monthly capacity of 20 tons, our PM tips are widely used in circuit breakers, line protection switches, residual current protective switches, sliding electric brushes, and contactors.
Key Features
- Material range: AgC, AgW, AgWC, AgWCC, AgSnO₂, AgZnO, AgNi, AgNiC, CuW
- Fine-grain structure via powder metallurgy process
- High breaking capacity with excellent arc resistance
- Customizable density, resistivity, and hardness
- Wide range of material specifications and dimensions
- Proprietary alloy formulation with reliable quality
- Sample orders welcomed for testing and qualification
- CNAS-certified testing ensures consistent performance
Technical Specifications
| Material | Ag Content (%) | Density (g/cm³) | Resistivity (μΩ·cm) | Hardness (HV) | Process |
|---|---|---|---|---|---|
| AgC(4) | 96 | 9.10 | 2.20 | 35-80 | Pre-oxidation-Sintering-Extruding |
| AgW(40) | 60 | 13.50 | 4.20 | 180-260 | Pre-oxidation-Sintering-Extruding |
| AgWC(40) | 60 | 12.80 | 3.80 | 200-280 | Pre-oxidation-Sintering-Extruding |
| AgSnO₂(10) | 90 | 9.95 | 2.30 | 60-120 | Pre-oxidation-Sintering-Extruding |
| AgZnO(8) | 92 | 10.05 | 2.10 | 55-115 | Pre-oxidation-Sintering-Extruding |
| CuW(70) | 30 | 14.50 | 4.80 | 220-300 | Pre-oxidation-Sintering-Extruding |
Standard tip dimensions: 4mm x 4mm to 40mm x 40mm, thickness 0.5mm to 4mm. Custom material formulations and dimensions available upon request. All products tested under CNAS-accredited lab protocols.
Applications
Designed for circuit breakers, line protection switches, residual current protective switches, sliding electric brushes, contactors, and various high-current switching applications in industrial electrical equipment.
HVACR Electrical Contact Solutions
Our silver electrical contact materials are widely used in HVACR equipment — including air conditioners, heat pumps, refrigeration units, and cold room controllers — as well as in contactors, relays, circuit breakers, thermostats, and motor starters. These silver alloy contacts deliver reliable switching performance in the demanding electrical environments of HVACR systems.
Why Choose Ningbo Five Lakes HVACR
- Original manufacturer of HVACR electrical contact materials with OEM / ODM / CKD capabilities
- Silver alloy contact rivets, tips, wires, clad strips and assemblies for air conditioner, heat pump and refrigeration systems
- Small orders acceptable, customization per buyer specifications
- ISO / CE / UL certified production with strict quality control
- Fast response and professional export service to global HVACR markets
Contact us today for pricing, datasheets and customization options on HVACR electrical contacts and silver contact materials.
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