ASTM D607-82(R2019) pdf free download
ASTM D607-82(R2019) pdf free download.Standard Specification for Wet Ground Mica Pigments
1. Scope
1.1 This specification covers two types of finely divided muscovite mica, commercially known as wet ground mica, suitable for use in the manufacture of protective coatings. 1.2 This international standard was developed in accor- dance with internationally recognized principles on standard- ization established in the Decision on Principles for the Development of International Standards, Guides and Recom- mendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
3. Composition and Properties
3.1 The pigments shall be made by wet grinding muscovite mica and shall conform to the requirements for properties prescribed as follows:3.2 The color shall be within mutually agreed upon limits of a standard acceptable to both the purchaser and the seller.
4. Sampling
4.1 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 5 tons (inch-pound or SI), 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 in equal quantities the samples from the same production unit to form a composite sample.
5. Test Methods
5.1 Tests shall be conducted in accordance with the appro- priate ASTM methods. Test procedures not covered by ASTM methods shall be mutually agreed upon between the purchaser and the seller. 5.1.1 Apparent Density—Test Methods D716. 5.1.2 Moisture—Test Methods D280. 5.1.3 Grit—Test Methods D716. 5.1.4 Coarse Particles—Test Methods D185. 5.1.5 Ignition Loss—Test Methods D1208.
6. Keywords
6.1 mica; muscovite; wet ground
