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    • M31 ´Â ¿µ±¹ Derbyshire ÀÖ´Â Gold Star Powder ÀÇ sister company ¿¡¼­ Ưº°È÷ ÁÖ¹® Á¦ÀÛµÈ °í Ç°ÁúÀÇ Cristobalite ¿Í °¡Àå ³ôÀº Ç°ÁúÀÇ ¿øÀÚÀ縦 °ø±Þ¹Þ¾Æ Á¦ÀÛµÈ ´ç»çÀÇ ÁÖ¿ä »ý»êÇ°À¸·Î ¼¼°èÀûÀ¸·Î ¸¹Àº customers ¿¡°Ô °ø±ÞµÇ°í ÀÖ´Â Á¦Ç°À» M31 ¶ó´Â Brand·Î Çѱ¹¿¡ °ø±ÞÇÕ´Ï´Ù.

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       Àº (Silver), ±Ý (yellow Gold upto 18ct.)
     
     
     
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    WATER TO POWDER RATIO
    MACHINE VACUUM MIXING 38:100
    HAND MIX THEN VACUUM 40:100
    Use de-ionised water
    Weigh water and powder
    Slurry temperature 21¡ÆC
    Leave for 90 min to stand before burnout
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  • MACHINE VACUUM MIXING min.
    Weigh out water & powder 0
    Add powder to water
    Mix under vacuum 1
    Stop mixer and scrape blades 0.5
    Mix under vacuum 3.5
    Pour flasks 2
    Vacuum flasks 1
    Total time taken 8
    HAND MIX THEN VACUUM min.
    Weigh out water & powder 0
    Add powder to water
    Mix by hand 1
    Mix with machine 3
    Vacuum mixer bowl 1
    Pour flasks 1
    Vacuum flasks 2
    Total time taken 8
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    Do not remove flasks from furnace to cast until they have been held at casting temperature for a minimum of 1 hour. If held for less than 1 hour, the core of the flasks will be at a much higher temperature than the digital temperature display states, and may result in metal mould reaction.
     
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