Acetal Delrin

[Alanc425]

Forgive me if im posting this in the wrong forum but I couldn't find any information on the subject and could not think of anyone better to ask

Instead of purchasing acrylic... I have free access to large sheets of black Acetal Delrin that I wanted to use to make frag racks, probe holders etc.

Any thoughts if it is reef safe or would have any long term chemical reactions?

 

[71xlch]

Will be fine. I have used uhmw a ton as well. All inert plastic.

 

[Randy Holmes-Farley Verified Community Expert]

UHMW (ultra high molecular weight polyethylene, I presume) is a different material than Delrin. All types of polyethylene and polypropylene are safe unless something unusual is added.

I would not use Delrin in acid as that may break it down, but reef tank water should be OK.

 

[spinycheek]

I know this is old, but I would like to add that ORA grows their coral on Delrin acetal frag plugs, so it is safe.

 

[piranhaman00]

Bump

@Randy Holmes-Farley

any update on using POM aka acetal aka Delrin in reef?

 

[Randy Holmes-Farley Verified Community Expert]

I don't have any additional information, sorry.

 

[piranhaman00]

I don't have any additional information, sorry.

So should be reef safe?

 

[Randy Holmes-Farley Verified Community Expert]

So should be reef safe?

As far as I know, yes.