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1. Self bonding enameled 

copper wire

  • Bonding type：Hot air or Solvent
  • Size：0.014-0.8MM
  • Advantages：Good bonding strength, Good consistence

  • Application: Vibration motor, VCM motor,
    Reveiver, speaker, RFID card and tags,
    wireless charger etc.

2. Special wire for 

automotive industry

  • Size：0.021-0.8MM
  • Advantages: Excellent heat resistance, High breakdown voltage
  • Application:Relay,Pump,Solenoid valve

Self bonding enameled wire

Conductor

copper、copper sliver alloy, copper nickel alloy, CCA, copper tin alloy

Insulation layer
  • 155/180 heat class polyurethane
  • 240 heat class polyamide
Self bonding layer
  • Solvent bonding
  • Heat bonding polyamide by temperature
  • 120/170/190/220 degree
  • Thermosetting

3. Self bonding litz wire

1. Basic information
Strands : 2-20000
Diameter of single wire : 0.025-0.8mm
Pitch : 4-120mm
Twisting method : one or many times
2. Advantages
few pin hole
Good flexibility, good winding

Excellent tension strength , no wire broken

3. Application
Wireless charges, high frequency transformer

4. Self bonding litz wire

 served by silk or nylon

Advantages: Good bonding strength, good layout of coil, good solderability, no residue

Production flow chart

Wire drawing

Wire go through drawing dies to be drawed


Control surface quality and hole size of diamond

drawing dies to ensure smooth surface and resistance of conductor within a small tolerance

Process control-wire drawing

Wire enameling

Wire cleaning---wire enameling---wire curing---wire cooling---wire lubricant---Wire overall diameter checking---wire rolling

Process control-enameling

  • Close loop on line laser measurement system ensure consistence of coating layer
  • Control CPK value to get a stable overall diameter 
  • Control tolerance of overall diameter<1um

Litz wire Production

USTC wire production

Quality control

  • Appearance
  • Dimension
  • Mechanical propertity
  • Electric property
  • Chemical property

Quality certification

  • ISO9001 certified, IATF16949
  • Halogen free, silicon free
  • Compliance with RoHS and REACH

Marketing&Sales

1. Self bonding enameled copper wire


  • Bonding type：Hot air or Solvent
  • Size：0.014-0.8MM
  • Advantages：Good bonding strength, Good consistence
  • Application: Vibration motor, VCM motor, Reveiver, speaker, RFID card              and tags, wireless charger etc.

2. Special wire for automotive industry


  • Size：0.021-0.8MM
  • Advantages: Excellent heat resistance, High breakdown voltage

  • Application:Relay,Pump,Solenoid valve

Self bonding enameled wire


Conductor
copper、copper sliver alloy, copper nickel alloy, CCA, copper tin alloy
Insulation layer
  • 155/180 heat class polyurethane
  • 240 heat class polyamide
Self bonding layer
  • Solvent bonding
  • Heat bonding polyamide by temperature
  • 120/170/190/220 degree
  • Thermosetting

3. Self bonding litz wire


1. Basic information
Strands: 2-20000
Diameter of single wire: 0.025-0.8mm
Pitch: 4-120mm
Twisting method:one or many times
2. Advantages
few pin hole
Good flexibility, good winding
Excellent tension strength, no wire broken
3. Application
Wireless charges, high frequency transformer


4. Self bonding litz wire served by silk or nylon



  • Advantages: Good bonding strength, good layout of coil, good solderability, no residue


Production flow chart


Wire drawing


Wire go through drawing dies to be drawed 


Control surface quality and hole size of diamond

drawing dies to ensure smooth surface and resistance of conductor within a small tolerance

Process control-wire drawing


Wire enameling


Wire cleaning---wire enameling---wire curing---wire cooling---wire lubricant---Wire overall diameter checking---wire rolling

Process control-enameling


  • Close loop on line laser measurement system ensure consistence of coating layer
  • Control CPK value to get a stable overall diameter
  • Control tolerance of overall diameter<1um

Litz wire Production


USTC wire production


Quality control


  • Appearance
  • Dimension
  • Mechanical propertity
  • Electric property
  • Chemical property



Quality certification


  • ISO9001 certified, IATF16949
  • Halogen free, silicon free
  • Compliance with RoHS and REACH

Marketing&Sales


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