imperial sizing die wax

  • Last Post 02 August 2019
porthos posted this 26 July 2019

a few years ago i wrote down the formula for imperial sizing die wax  (15 oz. castrol stick wax and 2 oz. anhydrous lanolin) there are a few different kinds of castrol stick wax; anyone know what kind to use.     i know its foolish, but, I LIKE TO MAKE STUFF

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RicinYakima posted this 27 July 2019

I am using "Castrol Stick Wax" 80% and 20 % anhydrous lanolin. It makes it much easier to use than the 2 oz. formula in temperature of less than 70 degrees if that is a factor. The "stick wax" is a wax for saw blades cutting timber and bending metal. I add a few drops of salvia and Red-Man chewing tobacco juice for a manly aroma.
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David Reiss CBA Membership Director posted this 27 July 2019


Very good to know. I have been using Imperial for so long and could not live without it. 

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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Ross Smith posted this 30 July 2019

Does this stuff work as a lube for paper patching?

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45 2.1 posted this 30 July 2019

^^^^^ Most anything that's a lube can be used for paper patch. The problem is most of them will not shoot too well. I've tried a bunch of commercial lube as well as most of the historical lubes.... The best one I found was the one Paul Matthews wrote of in his books. IIRC it's 55% beeswax & 45% Vaseline mixed together. This is one case where lube makes a big difference.


Corrected: 45% beeswax & 55% Vaseline mixed together. Thanks for the correction Bill.

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Bill2728 posted this 30 July 2019

45 2.1, not bad memory!  Just reversed the values.  Better than I could do, I had to look it up.

ref. "The Paper Jacket" by Paul Matthews, pg. 90, first para.: "The best patch lube I've used to date is 45 percent (by weight) yellow beeswax with 55 percent clear Vaseline"

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Ross Smith posted this 31 July 2019

The only reason I lube is to get the patched bullet down the barrel of my ML slug gun. Thanks for the info. i've been using royal case lube honey something. Works ok as a case lube but easy to over do it and dent a case. Might try some straight lanolin too.

I have Matthews book and have read it a couple times. Getting this ML slug gun to shoot has been a long learning curve.

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max503 posted this 31 July 2019

Please excuse my stupid question - But how exactly do you use this sizing wax?  Is it just like any other case sizing lube?  

With RCBS case sizing lube I use the sticky fingers method.  I apply it to the case with my fingers as I place the case in the press to be sized.  Then I wash the cases off with a water, soap, lemon juice and salt solution. 

This is done on my single stage press, usually with rifle cases or low volume batches of handgun ammo.

I bought some Imperial wax and have never used it before.  I bought it as a replacement for the RCBS stuff.

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porthos posted this 31 July 2019

Max.  imperial sizing die wax might not be a lot better than others; but its ease of removal puts it way ahead of others. use it spareingly and wipe off with a paper towel. i have read wow others remove case lube from their sized cases such as using the case tumbler. youre cases are already cleaned long before the tumbling process is completed. as an experiment try a couple lubes on oversized cases and judge for yourself

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BudHyett posted this 31 July 2019

I carry Imperial Sizing Die Wax to matches with a RCBS Partner Press and .308 dies for those last minute corrections. It is easy-on with fingers and easy-off with paper towels. 

"Groom and Clean" hair tonic is a good resizing lube, wipes off easily and can be cleaned off with hot water. This is cheaper than any resizing lube. I use it at home with the normal resizing process. 

Farm boy from Western Illinois, living in the Magical Pacific Northwest

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Ed in North Texas posted this 01 August 2019

Being lazy I use spray lube for large batch* sizing cases 50 at a time in a block.  But I haven't been without Imperial since the late '60s when I found it was the best lube for forming cases.  Finger applied and wiped off or a quick tumble in corn cob to clean up.  Just my experience, YMMV.


*  For some cartridges where I shoot quite a few, I prefer to batch process, clean, resize, prime then load for rifle, clean, prime and then into the progressive for pistol.

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jeff houck posted this 01 August 2019

which castrol stick wax are you using? Do you have a product number you can give us?


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porthos posted this 01 August 2019

the tube that i got yesterday was bought on e-bay. there is no product # on the tube. the tube looks old stock. the seller is  mike_machine.  as of 5 minutes ago; he has 4 left. i opened it and it looks like imperial sizing die wax only a little lighter in color. with the addition of lanolin it will be a little darker. on another site that i asked the question ; it was suggested  castrol  98-629-9.  i belive what i bought was $12.95  + shipping

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RicinYakima posted this 02 August 2019

Jeff, this is the only label with a number on it.

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