Metal Finishing Guide Book

2012 Organic Finishing Guidebook Issue

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ing, the volume of VOC is 0.06 gal and the volume of solids is 0.52 gal. If you remove the water from the coating, the total volume of the VOC plus solids is 0.58 gal. Suppose you wanted to fill a 1-gal can with only the VOC plus solid, then the total volume of VOC in the 1-gal can would be: 0.06/0.58 = 0.103 gal If the approximate density of the VOC is 7.36 lb/gal, then the VOC content of the coating, less water, is given as 0.103 gal x 7.36 = 0.76 lb/gal CONVERTING FROM ENGLISH TO METRIC UNITS Many of the regulations are not written in lb/gal, but rather in grams per liter (g/L). The conversion is as follows: 1 lb/gal = 119.8 g/L Table VII shows the VOC limits most commonly found in regulations, but be aware that the conversions are not exact. With the exception of 1 lb/gal, the val- ues in the table have been rounded off. 316

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