Email me back then i'll share what all i knew regarding those Ga alloy.
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I know there is two company who could produce it and purchased it. Galinstan-Ga 68.5%/In 21.5%/Sn 10%1) GalliumSource, LLC -- In U.S.A www.galliumsource.com2) SUNC INTERNATIONAL LIMITED -- In China www.suncmetals.com
I knew one company the also can supply with the Galinstan or other Ga alloy.
Changsha Santech Materials Co.,Ltd
You could probably find a galinstan thermometer to break open.
Are you sure this is Galinstan ? Having looked at making some for an instrument at work, I think you'll have difficulty buying the gallium and indium in small quantities.
Be aware the stuff etches metals quite badly.
Try the SciToys recipe.
They did not have galinstan. Galinstan is gallium, indium, and tin, not bismuth, tin, and lead.
You wanted cheaper.
I can buy .15 ml with a good syringe for 15 USD plus shipping http://www.crazypc.com/store/merchant.mvc?Screen=PROD&Product_Code=liquid_pro-50120&Category_Code=