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Posted

I recently went to replenish my Westley's Bleehe-wite that I use to remove the mold release agent on resin items as per the Modelhaus recommendation. When I got to the store I found that it is now Black Magic Bleeche-wite. While I assume this is the same product, I wondered if any one knows if it is indeed the same?

Is there anything else that would work such as Super Clean? (I inquired at the Modelhaus web site not haven't received a reply yet.)

Thanks

Posted

DON'T use Super Clean.  That stuff can be used for removing paint, but you don't want to soak resin in it.  You could contact the company making the Bleeche-wite cleaner and ask them about it, but they're looking at it for its intended use (dressing tires).  They won't be thinking about our "alternate use".  They probably bought the rights to the Westley's product, but maybe they've tweaked it a bit making it not 100% the same.

All you want to do is get the mold release off of the surface of the resin.  You can do that with a mild scrubbing with dish detergent and a soft toothbrush.  When it's clean, you want your finger to "drag" across the smooth surfaces rather than having it glide across the mold release-covered surface.  Of course, once you have tested it you'll have to clean it again.

You want to get the mold release off BEFORE doing any cleanup or paint prep.  Otherwise, you're grinding the mold release into the resin with your sandpaper. 

Posted

I have been using Dawn brand dish soap for all my clean-up on resin and plastic. Cleans well and no reaction with any parts at all.  

Posted

Thank you for your replies.I too have always used Dawn on plastic. I assumed I needed something stronger for resin as the Modelhaus instructions called for Bleeche-wite or a Por 15 marine cleaner. I will give Dawn a try on the next kit as I did have enough Bleeche-wite for the kit I'm starting.

Mark, you said not to soak in Super Clean. Does this affect the resin? Would diluting it make it safe? & what would I use to strip paint off resin? Brake fluid?

Posted

I tried using Super Clean to remove botched plating from resin parts I had cast myself.  The resin turned soft.  I'd be leery about soaking resin in anything.  For paint prep, a good scrub should suffice.  If you have no problem areas when you prime the resin, you should be good to go when painting it.

A lot of resins contain some petroleum product or other, if only in a minute quantity.  Soaking it in any petroleum-based product will only make a mess of it.  I'd be cautious in painting the parts in question, and avoid having to strip the paint off in the first place.  If you are applying automotive paint, a scuff/reshoot should fix all but the absolute worst mistakes. 

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