Friday, 27 Jan 2023

10 non conductive high temperature materials Ideas

Below is information and knowledge on the topic non conductive high temperature materials gather and compiled by the khabanh.me team. Along with other related topics like: Non conductive material insulator, Non heat transfer material, Heat shield material, Heat resistant material, Least heat conductive metal, MACOR Ceramic Sheet, Macor rods, Macor.

High Temperature, Non-conductive Material

Does anyone know of any material that’s not as brittle as ceramic that can withstand high temperatures and is non-conductive? I’m talking abou a max temp of 800degC of heat radiating from a hot steel coil. Components will be inside of the coil for a short period of time but trying to prepare for a system fault for where the components may sit there and cook…

Answers and Replies

There are many materials. Google heat shield material.


Tom.G

Science Advisor

Gold Member

Asbestos is good to 1200°C and to 5000°C for a few minutes. The trouble is that it causes severe lung disease (cancer, asbestosis) if inhaled.

There are many materials. Google heat shield material.

You sir, are an asset to this board, and to the engineering community as a whole! Thank you for your insightful, thought provoking, life changing advice!

Asbestos is good to 1200°C and to 5000°C for a few minutes. The trouble is that it causes severe lung disease (cancer, asbestosis) if inhaled.

I’ll look into this since I only need a small amount of it, however I’m sure our assembly team will oppose this. I’m looking for something that can take some sort of impact as it will be used on mechanical arms that close around the hot coil. They are pivoted using hydraulic cylinders, so they dock I’m sure there will be some impact / vibration. The whole point of what I’m doing is to make some type of linear position limit switch, to know when the arms have docked completely. I can’t seem to the find a limit switch on the market that can withstand the temps. So since the arms are made of steel I’m thinking of using them as the switch. They close the circuit, but only when fully docked. So I need to isolate the male and female docking components as they guide each other in, then when fully docked, some type of lever or finger that can complete the circuit. So the material I am looking for will be used as a stand-off or some type of spacer between the docking components and the arms…

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Thanks for the suggestion!

You sir, are an asset to this board, and to the engineering community as a whole! Thank you for your insightful, thought provoking, life changing advice!

I always thought so…

Asbestos is good to 1200°C and to 5000°C for a few minutes. The trouble is that it causes severe lung disease (cancer, asbestosis) if inhaled.

Your suggestion got me thinking and I found some low friction brake lining material (non asbestos) that can withstand up to 600deg C. Have a sample coming in tomorrow. If it has good machinability, then we have a winner!

There does exist pure alumina paper and cloth. They are made for far higher temperatures and are flexible. You could
wrap something with this and use some metal ties to hold it together. Or, I think alumina thread or yarn may exist as well, though not sure a knot could be formed with it.

Last edited:

Crystal aluminum oxide, might do the trick (Garnet)
It can take high temperatures, and is about the toughest material going.
Slightly less hard than diamond, but very mechanically stable.

Mica sheet is available in large sheets or “books”. Look at how electrical bread toaster elements are made.

Extra Information About non conductive high temperature materials That You May Find Interested

If the information we provide above is not enough, you may find more below here.

High Temperature, Non-conductive Material – Physics Forums

  • Author: physicsforums.com

  • Rating: 5⭐ (256948 rating)

  • Highest Rate: 5⭐

  • Lowest Rate: 2⭐

  • Sumary: Does anyone know of any material that’s not as brittle as ceramic that can withstand high temperatures and is non-conductive? I’m talking abou a max temp of 800degC of heat radiating from a hot steel coil. Components will be inside of the coil for a…

  • Matching Result: Feb 16, 2018 · 10 posts

  • Intro: High Temperature, Non-conductive Material Does anyone know of any material that’s not as brittle as ceramic that can withstand high temperatures and is non-conductive? I’m talking abou a max temp of 800degC of heat radiating from a hot steel coil. Components will be inside of the coil for a short…
  • Source: https://www.physicsforums.com/threads/high-temperature-non-conductive-material.939926/

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Heat Resistant Material – Top Seiko Co,. Ltd.

Heat Resistant Material - Top Seiko Co,. Ltd.

  • Author: top-seiko.com

  • Rating: 5⭐ (256948 rating)

  • Highest Rate: 5⭐

  • Lowest Rate: 2⭐

  • Sumary: Heat Resistant Material Max. use temp. atmosphere / °C Continuous operating temp. atmosphere / °C Ceramics Advanced ceramics Alumina 1300 ~1600 – Zirconia 1000 – Silicon nitride 1200 – Aluminium nitride 900…

  • Matching Result: Max. use temp. atmosphere / °CAdvanced ceramicsAlumina1300 ~1600Advanced ceramicsZirconia1000Advanced ceramicsSilicon nitride1200View 29 more rows

  • Intro: Heat Resistant Material – Top Seiko Co,. Ltd. Max. use temp. atmosphere / °C Continuous operating temp. atmosphere / °C Ceramics Advanced ceramics Alumina 1300 ~1600 – Zirconia 1000 – Silicon nitride 1200 – Aluminium nitride 900 – Silicon carbide 1500 – Cordierite 1200 – Mullite 1200 – Steatite 1000…
  • Source: https://top-seiko.com/guide/heat_resisting/

Frequently Asked Questions About non conductive high temperature materials

If you have questions that need to be answered about the topic non conductive high temperature materials, then this section may help you solve it.

What material is non conductive and heat resistant?

Fiberglass-reinforced composites have an ultra-high Glass Transition Temperature (Tg) of about 575°F (302°C). As the highest-ranking Tg pultruded material ever tested, these FRP composites remain non-conductive, chemical-resistant, and corrosion-resistant at extremely high temperatures.

What is the most non conductive material?

Metals are the most conductive and insulators (ceramics, wood, plastics) the least conductive.

What are some non conductive materials?

Non-conductive materials are generally compounds containing carbon and hydrogen. These include rubber, wood, and plastics. Silica-based materials like ceramics and glass are also non-conductive. One common substance, water, falls roughly between the conductor and non-conductor status.

Which material can withstand high temperatures?

Researchers have discovered that tantalum carbide and hafnium carbide materials can withstand scorching temperatures of nearly 4000 degrees Celsius. These materials may enable spacecraft to withstand the extreme heat generated from leaving and re-entering the atmosphere

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What is the best non conductor of heat?

Metals and stone are considered good conductors since they can speedily transfer heat, whereas materials like wood, paper, air, and cloth are poor conductors of heat.

What is a good conductor of heat but not electricity?

Diamond is a good conductor of heat but a bad conductor of electricity.

What metal is least conductive to heat?

As a consequence, lead is the least heat conductor.

What material can withstand 10000 degrees?

Starlite was also claimed to have been able to withstand a laser beam that could produce a temperature of 10,000 degrees Celsius. Starlite reacts more efficiently as more heat is applied.

What structures are resistant to extreme temperatures?

Ceramics have exceptional thermal properties compared to metals and plastics. Thermal expansion is low for all types of ceramics. Other properties, such as thermal conductivity, resistance to thermal shock and resistance to extreme temperatures, vary from one group of ceramics to the next.

What material can withstand 4000 degrees?

Researchers have discovered that tantalum carbide and hafnium carbide materials can withstand scorching temperatures of nearly 4000 degrees Celsius.

What metal can withstand 2500 degrees?

Stainless Steel*: 1375 ? 1530°C (2500-2785°F) Titanium: 1670°C (3038°F) Tungsten: 3400°C (6152°F) Zinc: 420°C (787°F)

Which material is not affected by temperature?

Asked by: Mark Farren, by email

At extremely low temperatures, silicon and germanium expand with cooling rather than heating.

What metal is not affected by heat?

The main groups of heat-resistant alloys are high chrome nickel austenitic alloys, also known as heat resistant stainless steel, nickel-based alloys, cobalt chrome nickel-based alloys, and molybdenum titanium alloys.

Which metal does not react event at high temperature?

Silver and gold do not react with oxygen even at high temperatures.

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