Donald prpich
How much powder per gallon of epoxy to achieve an opaque finish on counter top using canyon black?
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Jacquardmod Jacquardmod
Usually you want to use ~10% pigment per resin.  Some of the larger flakes like Sparkling gold or Macropearl will take more like 15% and small particles like micropearl as little as 5-7%.  The 10% rule of thumb applies to black.

So you need around 10oz-12oz for a gallon.
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Donald prpich
Do you sell bigger than 3/4 oz bottles and where is best to buy?
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Jacquardmod Jacquardmod
Dharma doesn't have them on hand.  They special order the larger sizes, though and they are just down the street.  They send their truck here once a week or more.

https://www.dharmatrading.com/paints/pearl-ex-pigments.html?lnav=paints.html

Hyatt's has some of the colors, but maybe not all.  

https://www.hyatts.com/art/pearl-ex-4-oz-jars-1.271604

If you need a lot and are spending over $100, you can buy direct from our bulk store.  Not everyone wants to spend a minimum of 100 though. 

https://store.jacquardproducts.com/
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