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Paint and Coatings Industry Standards
ISO 11127-3:2011 ISO 11127-3:2011 Preparation of steel substrates before application of paints and related products -- Test methods for non-metallic blast-cleaning abrasives -- Part 3: Determination of apparent density
The procedure includes drying a sufficient quantity of the sample by heating, allowing to cool to room temperature, adding distilled or deionized water to the cleaned, dried and weighed pyknometer containing 10 g of the dried sample until it is completely filled, displacing air adhering to the test portion, drying the outside of the pyknometer, reweighing the pyknometer and its contents, emptying the pyknometer, refilling with distilled or deionized water, drying the outside and weighing again.