ASTM D607-82(2003)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: D 607 – 82 (Reapproved 2003)
Standard Specification for
Wet Ground Mica Pigments
This standard is issued under the fixed designation D 607; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope
Types
A B
1.1 This specification covers two types of finely divided
Regular 325 M Fine Grade
muscovite mica, commercially known as wet ground mica,
Grade
suitable for use in the manufacture of protective coatings.
Total residue retained on a 12.0 3.0
No. 325 (45-µm) sieve
2. Referenced Documents
Ignition loss, max, weight % 5.0 5.0
(dry basis)
2.1 ASTM Standards:
D 185 Test Methods for Coarse Particles in Pigments,
3.2 The color shall be within mutually agreed upon limits of
Pastes, and Paints
a standard acceptable to both the purchaser and the seller.
D 280 Test Methods for Hygroscopic Moisture (and Other
4. Sampling
Matter Volatile Under the Test Conditions) in Pigment
D 716 Test Methods for Evaluating Mica Pigment
4.1 Two samples shall be taken at random from different
D 1208 Test Methods for Common Properties of Certain
packages from each lot, batch, day’s pack, or other unit of
Pigments
production in a shipment. When no markings distinguishing
between units of production appear, samples shall be taken
3. Composition and Properties
from different packages in the ratio of two samples for each 5
3.1 The pigments shall be made by wet grinding muscovite
tons (inch-pound or SI), except that for shipments of less than
mica and shall conform to the requirements for properties
10 000 lb two samples shall be taken. At the option of the
prescribed as follows:
purchaser the samples may be tested separately or after
Types
blending in equal quantities the samples from the same
A B
production unit to form a composite sample.
Regular 325 M Fine Grade
Grade
5. Test Methods
Apparent density, max, lb/ft 12.0 (0.2) 12.0 (0.2)
5.1 Tests shall be conducted in accordance with the appro-
(g/cm )
priate ASTM methods. Test procedures not cove
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