Need high-temp rubber coating

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A user is seeking a high-temperature rubber coating for 0.5" aluminum rods to enhance friction in environments up to 200°C. Suggestions include using a nickel layer for its high coefficient of friction and resistance to galling. Concerns were raised about silicone's inability to adhere to aluminum, although anodizing may improve adhesion. Belzona coatings were mentioned as a potential option, effective up to 180°C, but noted for their cost and application challenges. The discussion highlights the difficulty of finding suitable coatings for high-temperature applications on aluminum.
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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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