If folks are wondering why 1 gram resolution is important, try mixing up 26 
grams (less than an ounce) of Aeropoxy without one.  If you start with 20 
grams of resin and then multiply by 1.27 to get the amount of hardener to 
add, you end up with 25.4 grams, so you slowly add 5.5 grams of hardener to 
the 20g of resin already in the cup.  This is done by maintaining the same 
slow pour rate and watching the scale to get a feel for how long it takes to 
pour half a gram.

It's worth mentioning that there are other versions of the aforementioned 
scale that measure in the tenths of a gram, but I don't feel the need to get 
that far down in the weeds, because when I'm mixing an ounce of epoxy,  it's 
usually something like mixing up some flox to mount something somewhere or 
to patch a little hole or something.  If I was that serious about it, I'd 
get a WH-B04, which weighs down to a tenth of a gram, but it only has a 1 kg 
upper limit (2.2 pounds).  But I already have a .1g scale that I use for 
weighing pistons, rods, and that sort of thing when balancing an engine.

I know the West Systems guys will mention that with the West pump you don't 
need no schtinkin' scales, but I would be skeptical of an ounce of epoxy 
that came out of the first stroke of a pump.

And I'm sure most folks have figured this out, but it's best to split the 
components down into manageable sizes for pouring purposes.  I use a medium 
size glass jar and a smaller one, like a baby food or small pickle jar for 
the hardener.  The small size makes it easier to pour accurate amounts, and 
keeps waste to a minimum.

Mark Langford
ML at N56ML.com
website at http://www.N56ML.com
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