Fongming Cable:Why Is PTFE Good for Hook-Up Wire Insulation?

Views: 0     Author: Site Editor     Publish Time: 2022-12-16      Origin: Site

PTFE insulation is chemically inert and unaffected by most chemicals, oils, alkalis and moisture. Additionally, the material is non-toxic and resistant to mold and mildew. It’s extremely flexible and has a smooth surface with a low coefficient of friction that facilitates installation in conduits and difficult-to-reach places. PTFE has excellent temperature resistance and does not degrade or become brittle at high temperatures. Its melting point is 327 degrees Celsius. You can immerse PTFE cable in oil, water or gasoline.

PTFE Wire Construction


PTFE hook-up wire uses a solid or stranded conductor. The most common conductor material is silver-plated copper. Silver plating, sometimes called silver-coating, improves corrosion resistance and limits oxidation of the copper wire strands at high temperatures or in the presence of acids and alkalis.


Manufacturers of PTFE insulation use special high-pressure ram extruders to make PTFE insulated hook-up wire. Heavy-walled PTFE insulation manufactured according to UL 1199 standards has an insulation thickness of between 20 and 40 mils. Wire manufactured to NEMA HP3 standards typically has thinner insulation, with wall thicknesses between 6 and 28 mils, depending on the standard.

Different Types of PTFE Hook-Up Wire

UL 1199 Hook-Up Wire

Wire manufactured to the UL 1199 standard has a maximum usable temperature rating of 200 C.  It’s suitable for the internal wiring of appliances and electronic equipment to a maximum voltage of 600 volts and a peak voltage of 2,500 volts on electronic equipment. Insulation thickness is from 0.02 inches to 0.045 inches.

Fongming Cable can help you find the correct cable. We are a factory with various international certifications. If you have other questions, please contact us or ask for quotation online.