ASTM D561-82(2020) pdf free download.Standard Specification for Carbon Black Pigment for Paint.
ASTM D561-82(2020) covers the pigment commercially known as carbon black, which is suitable for use in the manufacture of protective or decorative coatings.
Two samples shall be taken at random from different packages from each lot, batch, day’s pack, or other unit of production in a shipment. When no markings distinguishing between units of production appear, samples shall be taken from different packages in the ratio of two samples for each 5000 kg (10 000 lb), except that for shipments of less than 10 000 lb two samples shall be taken.
At the option of the purchaser, the samples may be tested separately or, after blending the samples from the same production unit in equal quantities, tested as a composite sample.
Tests shall be conducted in accordance with the following ASTM test methods. Test procedures not covered by ASTM test methods shall be mutually agreed upon between the purchaser and the seller.