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fluxing    
助熔; 熔解; 造渣; 熔剂处理

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  • Fluxing - Cast Boolits
    Fluxing Please note that if you are using a high risk VPN to register, your profile may be placed in a banned status If this is your first visit, be sure to check out the FAQ
  • Crayons for fluxing reducing. - Cast Boolits
    I usually use paraffin and powdered charcoal (or wood shavings), in combination to flux reduce my bullet alloy when casting bullets I recently was given a fairly large quantity of crayons from one of my wife's grandchild's abandoned projects with the instruction of: " burn these " I immediately thought of using them for fluxing my bullet alloy
  • Fluxing - Cast Boolits
    The most effective fluxing agent I ever used is stearic acid mixed 1:1 with paraffin to improve dwell time as it burns off and stirring the alloy while it does Metallic oxides on top of the alloy immediately go back into solution in the alloy and all that should be on top of the melt is a bit of dust and dirt The transformation is very fast
  • Question about fluxing reducing clean lead in casting pot - Cast Boolits
    A couple lubed bullets are enough With beeswax or paraffin a pea sized chunk does it nicely I didn't use sawdust or wood chips in my bottom pour pots Depending on the boolits you cast ( a 22 caliber 50 grn the 20lb pot last several sessions, a 550 grn 45 caliber the pot lasts maybe 20-30 mins LOL) will determine the fluxing regime a lot
  • fluxing technique - Page 2 - Cast Boolits
    I guess fluxing helps bind the unwanted and keeps tin in the mix One writer says to stir in sawdust and spoon out the slag or droos every time a new ingot is added to the pot to get a shiny surface, another says leave the sawdust covering the lead mix as clean lead will be on the bottom of the pot and all impurities float to the top
  • Fluxing with Sawdust - Cast Boolits
    2 casting sessions ago I started fluxing with sawdust My lead looked better than I've ever seen it Then, I cast the following time and the resulting boolits looked dirty My technique is to flux with sawdust (about the size of a golf ball) stirring it into the lead fairly aggressively I scrape the side of the pot and the pour mechanism
  • fluxing while smelting. . . how important is it? - Cast Boolits
    Fluxing helps reduce the surface tension, but it's the scraping and stirring at the side and bottom of the pot that removes most of the crud A stainless steel pot for smelting is a very good thing You'll still find crud on the side and bottom when empty, but it's much easier to scrape out
  • Pewter and Fluxing - Cast Boolits
    It might sort of depend on what you have to melt If you have peeled weighted candle sticks or taken apart glass bottom mugs then there is more likely to be "crud" in the pot that a little fluxing will help clean up Tarnish is oxidation and that you want to either flux (sawdust) or reduce (wax) back into the melt
  • The scientific aspect of fluxing. . . . ? - Cast Boolits
    I think it's hard for bullet casters to explain 'fluxing' in a scientifc way because we use a single term for two different jobs When you melt down a bucketful of lead-rich junk you 'flux the smelt' Then, when you are managing the crud on your casting alloy you 'flux the melt' The first is (probably) close to true fluxing
  • Fluxing? - Cast Boolits
    As important as the flux is how you mix the pot when fluxing just stirring isnt the best, You want to make sure and scrape the sides and bottom of the pot while bring the mix up thru the flux and the flux down thru the mix A wood paint stir stick works well for this Also casting at the lower temps of possible slows the oxidation and need to flux





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