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1 min read

5 Quick Facts About PTFE- Filled Fluoroloy® H

By Dave Biering on October 6, 2015

PTFE- Filled Fluoroloy H (Rulon H)

Why should you choose Fluoroloy H over other PTFE blends? We’ve got the facts! Fluoroloy H (also known as Rulon H) is one over 300 unique Rulon formulas, and is top-rated for electrical properties. This material is a PTFE blend with a ceramic filler, which gives the material superior isolative properties. Other common filler options include graphite, metal oxides and even other polymers. Each formula is designed to accommodate different service requirements. 

Read on for 5 quick facts you may not know about Fluoroloy H.

5 Facts you may not know about Fluoroloy H:

  1. The material was originally developed for UHF heat-sinking applications and now is most often used as insulators for connectors in high-powered microwave devices.
  2. Fluoroloy H is a common alternative to virgin and glass-filled PTFE. 
  3. It has a superior dielectric constant compared to standard Teflon, yet a higher rate of thermal conductivity (Fluoroloy H is 1.21 W/m C and virgin Teflon PTFE is 0.24 W/m C).
  4. Given its dielectric properties, Fluoroloy H generates and transfers heat much more efficiently than other materials.
  5. Fluoroloy H is available in standard rod, sheet or tape, or is easily machined to create custom components. Download your free Plastic Machining Guide to explore our best practices for custom fabrication tips. 

When choosing any PTFE, keep in mind that filled blends have a higher resistance to wear and deformation under load, while unfilled materials generally have a lower coefficient of friction/lower wear. 

Is Fluoroloy H the right material for your operating environment? Read a case study, download our spec sheet, or connect with an Expert to find out! 

Custom Plastic Fabrication: Get the Guide!

Topics: Fluoroloy
1 min read

Fluoroloy H Dielectric Insulator Material

By Dave Biering on December 7, 2009

Fluoroloy H Dielectric Insulator Material

Fluoroloy H, aka Rulon H, is an interesting combination of ceramics and PTFE. This unique dielectric material is used inside connectors for high power applications.

The Fluoroloy H material has a slightly better dielectric constant compared to standard Teflon but has a higher rate of thermal conductivity. This allows the heat being generated at the center conductor to transfer to the outer conductor more efficiently, which in turn increases the power level efficiencies of the connector.

The thermal conductivity of Fluoroloy H is 1.21 W/m C and virgin Teflon PTFE is 0.24 W/m C. Fluoroloy H is easy to machine, similar to virgin or glass filled PTFE. Available in rod, sheet and tape.

For improved dielectric properties as well as heat sink properties, Fluoroloy H from TriStar Plastics is a unique design option.

If you are interested, learn some more about fluoropolymers (see embedded video below) or if you have a question that's driving you crazy - Ask The Experts!

Custom Plastic Fabrication: Get the Guide!


Topics: Fluoroloy