Bottlehead Forum

General Category => General Discussion => Topic started by: Dr. Toobz on February 18, 2012, 04:45:23 AM

Title: Cold Blueing
Post by: Dr. Toobz on February 18, 2012, 04:45:23 AM

For those of you who have used cold blueing solution on metal parts in your amps (like screw heads and transformer bells), is it advisable to hit them afterwards with a sprayable satin poly or similar? Will there be any problems with this type of approach when used on the transformer bells, which do get pretty hot?

I'm thinking about using Casey Super Blue on my SEX amp when I spruce it up (once my MQ order finally gets here). However, I've read that the layer caused by the chemical reaction is thin and will not prevent further rusting without a topcoat. Is this correct?

Title: Re: Cold Blueing
Post by: Doc B. on February 18, 2012, 06:02:01 AM

Yes, shoot them with a clear coat or they will rust.

Title: Re: Cold Blueing
Post by: tuffy_puppy on February 20, 2012, 05:26:24 AM

it's me who knows nuthin' again.  is this a step that shawn would have taken in assembling my brand new extended foreplay?  or should i be prepared to look into this at some point?  don

Title: Re: Cold Blueing
Post by: HiFi Builder Guy on February 21, 2012, 06:25:01 AM

Quote from: tuffy_puppy on February 20, 2012, 05:26:24 AM

it's me who knows nuthin' again.  is this a step that shawn would have taken in assembling my brand new extended foreplay?  or should i be prepared to look into this at some point?  don

Hi Don,

Your bell end was cleaned, lightly polished with steel wool, and shot with poly-clear (satin) to prevent rust.  This is the standard method for factory built kits. 

Shawn

Title: Re: Cold Blueing
Post by: tuffy_puppy on February 21, 2012, 12:03:37 PM

thank you sir!  you will soon be receiving my sex amp for installation of the c4s kit i got when i purchased it.  thanks, don