Yeah I would beware of that ebay stuff as it is just Corn Starch I truly believe because it uses water and by the way it looks. The Corn Starch has the same effect but due to it being perishable it spoils if sat for a while. That's why the other stuff is better.http://www.che.udel.edu/research_groups/wagner/website/awards_files/ADVANCED%20BODY%20ARMOR%20UTILIZING%20SHEAR%20THICKENING%20FLUIDS-Army%20conference%202002.pdf [Broken]
I found a Recipe Book! :surprised
I got the ethanol ratio Finnaly. Im a bit worried about the thickening fluid now, i think it has too be nano and i dont think there is nano particles on Ebay. I have yet too get a Conformation from the STF seller.
Note the thing about it being nano is the purpose of having the silica small enough to sink into the fabric. Any bigger would just coat the fabric. I hear PMMA powder can be used also. Also if your gonna buy Silica note that if you by from Asia it's gonna be expensive with just shipping alone. Below are a few American sites.
http://www.microspheres-nanospheres.com/Microspheres/Size standards/Silica size standards.htm
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