Specifications
Brand Name :
OHMALLOY
Model Number :
insulated
Certification :
ISO,Rohs
Place of Origin :
China(Shanghai)
MOQ :
10KG
Price :
20-50USD/KG
Payment Terms :
L/C,T/T,,MoneyGram
Supply Ability :
50 Tons per month
Delivery Time :
7-10 days
Packaging Details :
in coil
Conductors :
NiCr80/20, Copper, CuNi23, Constantan
First insulation :
Magnesium oxide insulation
Metal sheath :
Copper, SS310, SS316, SS321, Inconel 600, Inconel 625
Cable diameter :
3-8mm
Maximum exposure temperature :
1000℃
Nominal voltage :
230V
Description
PTFE/PFA Insulated NiCr Resistance Wire
UL1330/UL758 Certified | 260°C Continuous Operation | Chemical & Moisture Resistant
Product Overview
PTFE/PFA Insulated NiCr Heating Wire with Ni80Cr20 Core delivers reliable performance in demanding applications including chemical reactors, medical sterilizers, and food processing heaters.
Material Technology
  • Core Alloy: Ni80Cr20 (Standard) - Resistivity 1.08 µΩ·m | Maximum Temperature 1200°C
    Optional: Ni60Cr15 | Ni70Cr30 | Ni35Cr20
  • Insulation Systems:
    PTFE: Thickness 0.25±0.05mm | Operating Range -70°C to 260°C
    PFA: Thickness 0.30±0.05mm | Operating Range -70°C to 260°C (300°C intermittent)
  • Jacket Colors: PTFE: White/Black/Transparent | PFA: Clear/Amber (FDA compliant)
Certified Performance
Electrical-Chemical Reliability
  • Dielectric Strength: 8 kV/mm (IEC 60243)
  • Insulation Resistance: >1000 MΩ/km at 20°C (IEC 60172)
  • Chemical Resistance: PTFE: Withstands 98% H₂SO₄ at 150°C × 500hr | PFA: Resists 50% NaOH at 100°C × 1000hr
  • Thermal Cycling: ΔR <1% after 1,000 cycles (RT↔250°C)
Safety & Compliance
  • Flame Rating: V-0 (UL94) | Low Smoke Zero Halogen (IEC 60754)
  • Food Contact: FDA 21 CFR 177.1550 (PFA)
  • Medical: ISO 10993-5 Cytotoxicity Pass
PTFE/PFA Insulated NiCr Resistance Wire | UL1330/UL758 | 260°C Continuous | Chemical & Moisture Proof
Technical Specifications
Electrical Properties Voltage Rating: 600V AC (UL1330)
Resistance Tolerance: ±3% (IEC 60317)
TCR: 0.00013/°C (20-1000°C)
Mechanical Properties Tensile Strength: ≥780 MPa
Min Bend Radius: 8×D (PTFE) | 10×D (PFA)
Abrasion Resistance: >150 cycles (ASTM D3389)
Dimensional Range Conductor: 0.05mm (AWG40) to 3.0mm (AWG10)
Standard Length: 10m-1000m coils
Custom: Twisted pairs | Shielded versions
Application Validation
Chemical Processing
  • Reactor immersion heaters: 2+ year service in 30% HCl
  • Acid vapor ducts: 0% degradation at 180°C/500hr
Medical Equipment
  • Autoclave heaters: 300+ sterilization cycles
  • MRI-compatible: Magnetic permeability <1.01 μ
Food Industry
  • Conveyor dryers: NSF/3-A certified
  • Fryer elements: 0.01mg/ft² extractables (FDA)
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PTFE/PFA Insulated NiCr Resistance Wire | UL1330/UL758 | 260°C Continuous | Chemical & Moisture Proof

Ask Latest Price
Brand Name :
OHMALLOY
Model Number :
insulated
Certification :
ISO,Rohs
Place of Origin :
China(Shanghai)
MOQ :
10KG
Price :
20-50USD/KG
Contact Supplier
PTFE/PFA Insulated NiCr Resistance Wire | UL1330/UL758 | 260°C Continuous | Chemical & Moisture Proof
PTFE/PFA Insulated NiCr Resistance Wire | UL1330/UL758 | 260°C Continuous | Chemical & Moisture Proof
PTFE/PFA Insulated NiCr Resistance Wire | UL1330/UL758 | 260°C Continuous | Chemical & Moisture Proof

Ohmalloy Material Co.,Ltd

Verified Supplier
11 Years
shanghai, shanghai
Since 2008
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter, Trading Company
Total Annual :
4000000-6000000
Employee Number :
20~50
Certification Level :
Verified Supplier
Contact Supplier
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