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Group: Administrators
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Spot on yes; for every 100g of Silicone, you need 5g of catalyst and transposing this, you need 8.5g of catalyst for 170g of Silicone part A.
There are various ways to work this out and everyone has their own favourite, my personal preference is as follows because it uses all of the numbers at hand and also works where a ratio isn't 100:XX, (using your example):
(170 / 100) x 5 = 8.5g
but
5% in this case works just as well.
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