Quote:
	
	
		
			
				
					Originally Posted by  Raven
					 
				 
				so this powder you mix in the epoxy? 
at what rate? 
			
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 Yes, powdered glass.
I kind of free-wheeled it.  I added maybe 7-8% by volume on the needle I lost, and maybe 20% on the one I still have...I just kept spooning in the powder until it started thickening-up.