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 Heating Wire | Ni80Cr20 Core | UL1330/UL758 | 260°C Continuous | Chemical Resistant Applications: Chemical Reactors • Medical Sterilizers • Food Processing Heaters

Material Technology

• Core Alloy: Ni80Cr20 (Standard): Resistivity 1.08 µΩ·m | Max Temp 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

Technical Specifications

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)