Zhejiang IRONFLON Wire & Cable Co., Ltd. is one of the most professional manufacturers and suppliers of PTFE Insulated Wires in China, also supports customized service. Please feel free to buy high quality PTFE Insulated Wires for sale here from our factory. Also, free sample is available.
Products Description
Searching for a reliable lead wire that won't degrade in extreme heat? The UL10393 high-performance high-voltage wire is designed for exactly that. Built with a Nickel-plated copper core and heavy-duty PTFE insulation, this wire handles constant 250°C environments without cracking or losing electrical integrity.


Whether you are wiring high-end industrial ovens or compact electronic modules, the UL10393 high-voltage wire provides the chemical resistance and voltage stability (600V) required for long-term safety.
Technical Specifications
| Feature | Details |
| Product Model | UL10393 High Temperature PTFE Insulated Wires |
| Conductor Material | High-Purity Nickel-Plated Copper Wire |
| Diameter | 16AWG(Custom sizes available) |
| Insulation Material | PTFE |
| Rated Temperature | -60°C to +250°C |
| Rated Voltage | 600V |
| Flame Retardancy | UL VW-1 & FT1 Compliant |
| Standard | UL / RoHS Compliant |
| Color | White, Black, Red, Blue, Yellow, Green (Customizable) |
| Length | 1000FT / 305M per Roll |
Why this wire stands out:
- Real 250°C Resilience : Unlike standard silicone or PVC wires that become brittle, our PTFE jacket stays flexible and conductive in extreme thermal cycles.
- Precision Concentricity : We focus on uniform insulation thickness. No thin spots mean no unexpected high-voltage breakthroughs during operation.
- Chemical-Proof : PTFE is virtually inert. It resists oils, strong acids, and alkalis, making it ideal for harsh chemical processing or oily engine bays.
- Low Energy Loss : High-purity copper ensures maximum conductivity and minimal heat buildup within the cable itself.
Why Choose us?


1. Strong corporate strength
We have 21 years of rich experience in manufacturing high-temperature wire rods. We have a modern production base and independently produce the entire process from conductor drawing, insulation extrusion to finished product testing. We are also equipped with imported production equipment and a complete set of precision testing instruments, such as wire thickness testing, resistance testing, flame retardant testing, etc. Accumulated 22 patented technologies, multiple qualification certifications (UL, CUL, VDE, RoHS, ISO9001, SGS), 3 software copyrights, and product quality reaching international advanced level.
2. Comprehensive service guarantee
Pre sales equipped with a professional technical team, providing customers with scenario based cable selection suggestions, and optimizing product solutions based on customer equipment parameters; Real time synchronization of production progress during sales, providing sample shipping services to assist customers in conducting preliminary testing and verification; Establish exclusive service files for after-sales, provide technical support and problem-solving solutions, and respond promptly and efficiently.
3. Flexible customization services
We can provide personalized customization services according to customer needs, including conductor material, specifications, insulation thickness, cable color, printing content, packaging specifications, and other customization options. At the same time, we support R&D customization for special performance requirements, such as higher radiation resistance levels, special corrosion resistance requirements, etc. The customization cycle is short and suitable for customers' personalized production needs.
4. Improve after-sales service
If the product has quality problems that are not caused by human factors, it can enjoy free replacement and repair services; We also provide lifelong technical consulting services, establish customer follow-up mechanisms, regularly collect customer feedback, continuously optimize products and services, and ensure worry free customer use.
Where it's actually being used

Engineers usually spec this wire for commercial kitchen gear (like ovens and deep fryers) where internal housing temperatures destroy regular wiring. It's also a go-to for motor leads and heating elements-specifically as the lead-out wire where heat is most intense at the connection point. Because it's thinner and tougher than silicone, it's much easier to snake through tight conduits in medical labs or automotive sensor housings where space is a premium.
Manufacturing Excellence

Our production process follows strict ISO standards:
- Precision Drawing: Enhancing conductor flexibility and conductivity.
- Sintering Process: Multi-layer PTFE film wrapping followed by high-temperature sintering for maximum chemical resistance.
- Rigorous Testing: Every roll undergoes pressure resistance tests, fire resistance tests (UL VW-1), and dimensional accuracy inspections before shipping.
Packaging & Shipping

In terms of product packaging,we usually use degradable plastic film packaging.It can protect the wires from damage and clutter.And degradable plastic materials will reduce environmental pollution.

We will first wrap the product with plastic film. Then pack it in cardboard boxes according to the customer's requirements. Prevent product damage.

After the wires are packaged, we will place them on a tray for easy transportation. Afterwards, contact the corresponding transportation personnel and arrange a suitable time to transport the pallets to the vehicle.

After the pallet is transported to the vehicle, it will be transported uniformly to the corresponding station. We will choose different transportation methods according to the customer's needs. Such as sea freight, air freight, express delivery, etc.

FAQ
Q: Are you a manufacturer or trading company?
A: We are a professional manufacturer. We can control your order from the first begining to the last.
Q: How can I get a sample to test your quality?
A: The samples are free for you. New clients are expected to pay for the courier cost.
Q: Does your company accept OEM production?
A: Yes, could print your company name, we even custom the quality card to promote your company.
Q: Can I get a discount?
A: It depends on your quantity, We can make a discount and afford the freight. Pls kindly contact us.
Q: What about the lead time for mass production?
A: Our production capacity is sufficient,normally 15-20 days we can deliver your order. only if quantity is big, we'll offer you.
Q: Can I Have A Sample First?
A: Free samples can be provided for models with stock available.
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