Midway mold release problem

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  • Last Post 11 June 2017
  • Topic Is Solved
BigMan54 posted this 23 May 2017

I have 3 VERY OLD Lee 2cav molds in .44cal .44-208 WC, .44-210 1R & .44-240 2R.

At some far distant past I tried Midway's Mold Release on them. So as best as I can recall it worked like crap. I failed to clean the crap off the molds at that time. Now, how the H**L do I get the crap off the molds ? I tried brake cleaner & a bronze brush. Only got some off. Need ideas, please.

Long time Caster/Reloader, Getting back into it after almost 10yrs. Life Member NRA 40+yrs, Life S.A.S.S. #375. Does this mean a description of me as a fumble-fingered knuckle-draggin' baboon. I also drool in my sleep. I firmly believe that true happiness is a warm gun. Did I mention how much I HATE auto-correct on this blasted tablet.

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Elmo posted this 11 June 2017

Try acetone it will dissolve anything. Don't get it on anything, paint, plastic,etc.

 Elmo

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onondaga posted this 24 May 2017

BigMan54

Silicone dielectric grease is a very pure silicone grease that turns to white ash at about 1150 degrees F. That is hotter than anything in casting bullets. Silicone dielectric grease is also an excellent anti-flux that repels lead alloys. It is commonly available at auto parts stores in the auto electronics stuff, the small tubes of the stuff last a long time but are a little pricey. Also found on Amazon:

https://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=silicone+dielectric+grease

In the automotive garage it is used as a diode/heat sink grease in high current diodes in the electrical system. It is not hard to find this stuff at car parts stores, but it won't be at 7-11.

 

Gary

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BigMan54 posted this 24 May 2017

Gary,

What is this  silicone dielectric grease you keep mentioning ? And where is it available? 

Long time Caster/Reloader, Getting back into it after almost 10yrs. Life Member NRA 40+yrs, Life S.A.S.S. #375. Does this mean a description of me as a fumble-fingered knuckle-draggin' baboon. I also drool in my sleep. I firmly believe that true happiness is a warm gun. Did I mention how much I HATE auto-correct on this blasted tablet.

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BigMan54 posted this 24 May 2017

The Lacquer thinner didn't work too well. But I brushed it on the WC mold again & let it sit while I did some casting. When I took a break to refill the pot I checked out the WC mold. Some of the crap was dissolving.  So I got out a brass brush & the cleanser. Made a paste & scrubbed like mad. Most of the crap (95%) Came off. I rinsed the mold in HOT/BOILING water & added the WC mold to the hot plate to dry/heat up.  Started casting with it. It turned out some decent bullets.  So I brushed on more Lacquer thinner & will try working on the other 2 molds after dinner.

Long time Caster/Reloader, Getting back into it after almost 10yrs. Life Member NRA 40+yrs, Life S.A.S.S. #375. Does this mean a description of me as a fumble-fingered knuckle-draggin' baboon. I also drool in my sleep. I firmly believe that true happiness is a warm gun. Did I mention how much I HATE auto-correct on this blasted tablet.

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onondaga posted this 23 May 2017

Make a paste with Comet Cleanser and water, use a good stiff hand brush and scrub it alternating directions frequently and scrub HARD, Rinse very thoroughly with hot water, dry , then lube all surfaces very lightly, just to a shine with a cotton swab and silicone dielectric grease. it is ready to use,

Gary

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David Reiss posted this 23 May 2017

Try lacquer thinner, I believe it will work.

David Reiss - NRA Life Member & PSC Range Member Retired Police Firearms Instructor/Armorer
-Services: Wars Fought, Uprisings Quelled, Bars Emptied, Revolutions Started, Tigers Tamed, Assassinations Plotted, Women Seduced, Governments Run, Gun Appraisals, Lost Treasure Found.
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