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Tin Oxide
I need to purchase some tin oxide for development….need to purchase smaller quantities… anyone have a place to purchase?
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7 Replies
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Why do you need tin oxide? It’s banned in Japan, and has no effective use in cosmetics that I know of, unless you are making colored mica as a raw material.
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Hi Bob,
Yes Bob, colored mica….you always know….you that man! -
Last I heard, the equipment needed to do this cost about 2-3 million dollars - the tin oxide is vapor deposited onto freshly ground mica platelets.
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Oh wow, vapour deposition. I nearly got killed doing that in a government lab; I was only 17 at the time. The previous technician removed the earth connection, so when the electron furnace shorted out because of a molten metal splash, I got 7,000 volts. Basically it’s a big vacuum chamber with an electron furnace to boil off the metal vapours.
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Wow - you are incredibly lucky, @Belaassi.
@JD, the tin oxide is used on the mica to make it more sparkly and mirror-like. It doesn’t actually add anything to the color, per se. It’s on many ingredient lists because it has to be, due to regs, but it serves no purpose if you are trying to re-create someone else’s color cosmetic - it’s just dragged in due to the use of colored pearls. -
@bobzchemist, yeah I was not sure of the tin oxide as I did some research…but as usual, Bob has a good answer….i already started to forecast such a thing and am going ahead with something in lieu the t oxide. thanks again bob
@bellasiyou are luckythanks guys -
I do have 2-3 million to spare for that contraption….lol..not
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