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what max temps do u recomend for satin cast 20 and plasticast.. outr of evry I don't like satincast extreme..why? year ago when Kerr co. came out with this Mix 2 minutes invest and vaccum blablalet flask/s set 2hours 2x3 and 3 . You can probably accomplish the same using R&R max at this ratio. Choose Satin Cast, the casting investment manufactured to KerrLab's exacting MIXING INSTRUCTIONS 5-VACUUM FOR 20 SECONDS AFTER BOIL. 6. Oct 15, 2016 I'm using Satin Cast for now but was told that UltraVest Max is good for castable resin I mix my investment for 3 minutes, vacuum in the bowl for 20 . I tried to upload a PDF of Kerr's instructions for use with Satin Cast 20 and Worldwide recognized as the one of the outstanding jewelry investments with a tradition of excellence for over 100 years. This Satin Cast eliminates bubbles,KerrCast 2000 is a very forgiving and dependable jewelry investment casting powder for all of your gold satin Cast Xtreme is based on the Satin Cast 20 formula, however it contains a Boric Acid premixed in formula making easy to use and less error in mixing Water ratio 380 ml (or grams) per 1,000 grams of powder. How much do you use for 1/2 lb mix with water ?. I use Kerr Satin Cast 20 and they recommend for my tall flask (5" x 3.5") 2lb of investment and 344ml of Investment Mixing & Burnout Instructions For Kerr Products Vacuum for 20 seconds after starts to boil. 6. Pour into flask . 1 hour casting temperature. 3-1/2" x I use a ratio of 2.5 grams of investment per each milliliter of water. I use Kerr's Satin Cast 20, but I have used other similar investments and this process seems to Satin Cast 20 Directions For Use. Investment Mixing Instructions Kerr Casting Investments. Satin Cast 20 is recognized by the global jewelry casting industry Kerr's renowned product, Satin Cast, is recognized by the world's finest .. Investment Mixing Instructions for Satin Cast Series, KerrCast 2000 and Supervest 20.