It's midnight & you want to clean / polish your khuk.
but no polish in the house
you think.......
check the cupboard & medicine cabinet for vitamins & supplements
The best you can find contains Magnesium Oxide (MgO)
Or maybe Titanium DiOxide
Silica is in the running too
Calcium Carbonate (CaCO3) is good for cleaning, but won't polish steel
So far
i've found that MgO is the best single ingredient to find
usually sufficient quantity to be useful
& it's used as a commercial polish
drop of water on the blade,
then tablet on top
an outer coating sometimes needs to be removed
to get to the tablet contents
the water does this as you start to rub
just enough water to build up some paste as you rub
be careful
slippery gets you cut
if water is not to your liking
especially if you're after a high polish
let the material dry,
then lubricate with any oil--less cut more polish
every brand will vary in composition / 'grit' .
So far, the MgO in tablets in the house seems to be polish grade or close-to
pure MgO tablets run about $4 for 100 generic (not big brand) tablets
Titanium dioxide (TiO2) is used as commercial polish (usually rock polish)
& as a whitener / opacifier in various products
very common in small quantities in toothpaste, ..........
paints often contain TiO2
cheaper paint will use CaCO3 & ZnO for white / opacity
In artists ==oils== ZnO is added to TiO for specific handling properties
TiO -can- be used in a pure state in other types of paint
usually 20-30% of total volume
[[[[[ addendum--
ARTIST paints still sometimes use Leads for white.
careful
thanks James re cake 'white'
...
Also wax candle colorant - high % TiO2 in wax base
&
Paint pigment concentrate or powder
Liquitex is a brand I like in general
because they list exact pigments & other tech specs on the paint containers.
they have a 'Concentrated Acrylic Artist Color' series.
The "Professional" line of paints has higher pigment concentration
than their 'basic' line.
http://www.liquitex.com/resources/2003AcrylicBook.pdf
is the liquitex spec/data book.
Cement/morter colorants......
some permanant lightfast colorants are varieties of iron oxides
red/yellow/black ]]]]]
* most metal oxides are hard enough to be abrasives / polishes
later we'll talk about using muriaic acid near aluminum framed screen doors
makes for heavy coating of aluminum oxide on the aluminum
....xxxxxx....
My mistake
Apparently this creates hydrated-Al-Oxide which is a very soft compound......
The 'non-hydrated' compound is the hard one.
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