UL 10362 — PFA Fluoropolymer in the Middle of the High-Temp Wire Family
UL 10362 uses Perfluoroalkoxy (PFA) as the insulation material, sitting between FEP (UL 1332, 200°C) and PTFE (UL 1659, 250°C) in the fluoropolymer wire family produced by CableApex under UL File E333030. PFA shares PTFE’s chemical resistance, transparency, and 250°C continuous temperature rating, but is melt-processable like FEP — meaning it can be extruded onto wire conductors at industrial production speeds rather than the slow paste-extrusion required for PTFE.
For German engineers searching UL 10362 250C PFA Hochtemperatur Draht Deutschland, PFA offers a specific cost-performance position: PTFE-equivalent temperature and chemical resistance at typically 30-50% lower cost than UL 1659 PTFE. This makes UL 10362 attractive for German manufacturers needing 250°C wire performance but unable to justify the PTFE cost premium.
PFA vs PTFE vs FEP — Property Comparison
| Property | UL 1332 FEP | UL 10362 PFA | UL 1659 PTFE |
|---|---|---|---|
| Temperature | 200°C | 250°C | 250°C |
| Voltage | 300V | 600V | 600V |
| Processing | Melt extrusion | Melt extrusion | Paste extrusion (slow) |
| Chemical Resistance | Excellent | Excellent (PTFE-class) | Excellent (industry standard) |
| Relative Cost | 1.0 | 1.5-2.0 | 3.0-4.0 |
PFA’s value proposition: get PTFE-class chemical and thermal performance at melt-extrusion production economics. For applications truly needing 250°C and chemical resistance but cost-sensitive, PFA is often the better choice than PTFE.
UL 10362 Applications in German Manufacturing
German Medical Equipment Manufacturers producing sterilizable medical devices for North American hospitals use UL 10362 for internal wiring requiring autoclave-temperature exposure (134°C steam sterilization repeated cycles). PFA’s chemical resistance handles sterilization chemicals; the 250°C rating ensures the wire survives autoclave conditions indefinitely.
German Semiconductor Equipment Manufacturers producing wafer processing equipment for US/Asian semiconductor fabs use UL 10362 for internal wiring exposed to process chemicals (HF, plasma byproducts, organic solvents). PFA’s chemical inertness handles these environments where standard polymer wires would degrade.
German Aerospace Cabin Equipment manufacturers producing aircraft interior systems use UL 10362 for control wiring in galley equipment, cabin lighting controllers, and avionics rack internal connections. The 250°C rating provides margin for the elevated temperatures inside avionics equipment bays.
UL 10362 Specifications
| Parameter | Value (per UL Subject 758) |
|---|---|
| UL Style | AWM 10362 |
| UL File Number | E333030 (Follow-Up Service) |
| AWG Range | 30 AWG – 4/0 AWG |
| Voltage Rating | 600V AC |
| Temperature Rating | 250°C continuous |
| Insulation | Extruded PFA (Perfluoroalkoxy fluoropolymer) |
| Wall (30-10 AWG) | 10 mils min average |
| Wall (9-2 AWG) | 20 mils min average |
| Wall (1-4/0 AWG) | 30 mils min average |
| Optional Jacket | PVC or fluoropolymer outer jacket |
| Chemical Resistance | PTFE-class — resistant to most acids, bases, organic solvents, plasma |
| Flame Rating | Horizontal Flame per UL Subject 758 |
| Compliance | UL Subject 758 (AWM), RoHS, REACH |
| Marking | CableApex · UL AWM 10362 · AWG · 600V · 250°C · E333030 |
Engineering Notes from CableApex
- “When does PFA make economic sense over PTFE for 250°C applications?” PFA and PTFE share 250°C rating and similar chemical resistance, but PFA costs 30-50% less due to melt-extrusion production. For most German OEM applications truly needing 250°C, PFA is the cost-effective choice. PTFE remains preferred when extreme chemical exposure, highest-purity requirements (medical implant equipment, ultra-pure semiconductor lines), or established UL Listing dossier specification mandates PTFE specifically.
- “How does PFA wall thickness compare to PTFE wall thickness at equivalent ratings?” UL 10362 PFA specifies 10/20/30 mils wall across AWG ranges. UL 1659 PTFE specifies similar 10/20/30 mils wall — comparable dielectric performance at similar thickness. PFA’s melt-extrusion produces more uniform wall thickness than PTFE’s paste-extrusion, often beneficial for precision applications.
- “Can I substitute PFA for PTFE in an existing UL Listed product?” The substitution typically requires UL Listing dossier update because the Style number changes (from 1659 to 10362). Functional substitution is straightforward when 250°C / 600V ratings are equivalent. For new product designs, specify both UL 1659 and UL 10362 as acceptable alternatives in the original Listing dossier to allow procurement flexibility.
MOQ, Packaging & Shipping
MOQ varies by AWG, color, optional features, and production schedule. PFA production scheduling typically requires 2-3 day setup. Standard packaging: spools or reels per customer specification. Export documentation: Commercial Invoice, Packing List, Certificate of Origin (CCPIT), Bill of Lading, UL Recognition reference letter (File No. E333030), RoHS Declaration, REACH SVHC Declaration, MSDS. HS Code: 8544.49. CIF Hamburg or Rotterdam, transit time 25–30 days from Shanghai or Ningbo origin port.
Related Fluoropolymer UL Styles
UL 10362 buyers commonly cross-reference: UL 1332 (200°C / 300V FEP, 30-10 AWG — lower temperature and voltage FEP at lower cost), UL 1659 (250°C / 600V PTFE, 26-4/0 AWG — established PTFE alternative for highest-performance applications), UL 3071 (200°C / 600V silicone rubber, 18-13 AWG — silicone alternative for 200°C applications), and UL 5107 (200°C or 450°C / 600V mica, 26-550 kcmil — mineral insulation alternative for above 250°C applications).
