Quote:
Originally Posted by gbftats
Has anyone found a hand pump or other cost effective system to get the 10:1 ratio for 2 part glues? I usually just pour it in a mixing cup, but there is usually waste and I feel like It could be more accurate. I thought about trying pumps for fiberglass resin but im not sure how well that will work since glue is a bit thicker and will probably gum up the nozzle quickly. I buy glue by the gallon, so im obviously not mixing it all at once.
Thanks!
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Hand mix is the industry standard.
Reactant ratio isn't too precise. Anywhere from 5 to 15% will work. I use pipettes to measure it, because isocyanate reactant is extremely expensive. About $500 / liter.