I have been trying to add insulation to my piping and I have a density value in lb/ft^3, but I can not assume the units because the other values that are preset in the program like glass and wool do not have a common value for density. I was wondering what the units are when the other values are measured in inches with b31.3 process piping code 2012, English input and ouput, autopipe library components, and b313-12 material in the general options. I am also using v11.2.
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