Need high-temp rubber coating

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SUMMARY

The discussion centers on finding a high-temperature rubber coating suitable for aluminum rods exposed to environments up to 200°C. Participants suggest alternatives such as nickel layers, which provide a high coefficient of friction without galling, and Belzona coatings, which can withstand temperatures up to 180°C. The limitations of silicone coatings adhering to aluminum are also highlighted, with anodizing mentioned as a potential solution to improve adhesion.

PREREQUISITES
  • Understanding of high-temperature coatings and their applications
  • Knowledge of aluminum properties and limitations at elevated temperatures
  • Familiarity with nickel plating techniques
  • Awareness of surface preparation methods like anodizing
NEXT STEPS
  • Research high-temperature silicone alternatives for aluminum applications
  • Explore nickel plating processes and their benefits for friction enhancement
  • Investigate Belzona coating specifications and application techniques
  • Learn about anodizing aluminum and its effects on coating adhesion
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Engineers, material scientists, and manufacturers seeking solutions for high-temperature friction applications on aluminum components.

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Need high-temp "rubber" coating

Hey I'm looking to coat some 0.5" aluminum rods with some sort of coating to increase the friction coefficient ("tackiness" I believe it's called). It will be used in high temperature environments of up to 200C. Does anyone know of such product?

I tried calling this company but that product can't get anywhere near 200C.
http://www.plastidip.com/home_solutions/Plasti_Dip

Thanks!
 
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A high-temperature silicone?
 


It's just that silicone won't adhere to aluminium. Maybe things get less bad if you anodise first.

My suggestion is a nickel layer. These have a high coefficient of friction, and better, they don't gall.

You already know that aluminium alloys are capable of nearly nothing at 200°, do you?
 
could try a belzona coating depending on what your doing

http://www.belzona.com/products.aspx

They are usually painted on smooth, but I can imagine you can't make it rougher when you apply it. Also expensive but good for temps up to 180°C
 

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