Standard Specification for Wet Ground Mica Pigments

ABSTRACT
This standard specification covers wet ground mica pigments for use in the manufacture of protective coatings. Pigments shall be made by wet grinding muscovite mica. Properties such as density, moisture, grit, coarse particles, residue, ignition loss, and color shall conform to the requirements of the specification.
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 accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

Status
Published
Publication Date
31-May-2019

Relations

Effective Date
01-Jun-2019
Effective Date
01-Jun-2019
Effective Date
01-Jun-2019
Effective Date
01-Nov-2012
Effective Date
01-Nov-2012
Effective Date
01-Nov-2012
Effective Date
01-Nov-2007
Effective Date
01-Jul-2007
Effective Date
01-Jun-2007
Effective Date
01-Feb-2007
Effective Date
01-Oct-2003
Effective Date
10-May-2001
Effective Date
10-May-2001
Effective Date
10-Jul-1999
Effective Date
10-May-1999

Overview

ASTM D607-82(2019): Standard Specification for Wet Ground Mica Pigments sets requirements for wet ground mica pigments, specifically those produced from muscovite mica, intended for use in protective coatings. Developed by ASTM International, this standard emphasizes product quality and consistency by specifying physical and chemical properties for two commercial grades of wet ground mica. By adhering to internationally recognized principles from the WTO's Technical Barriers to Trade (TBT) Committee, ASTM D607-82(2019) helps ensure compatibility, safety, and performance in industrial applications around the globe.

Key Topics

  • Material Types: Covers two types of finely divided muscovite mica - Regular Grade and 325 M Fine Grade.
  • Manufacture: Pigments are produced by wet grinding muscovite mica.
  • Physical Properties Requirements:
    • Density: Apparent density must not exceed specified limits.
    • Moisture and Volatiles: Maximum allowable content is defined to maintain performance and shelf life.
    • Particle Size: Grit and coarse particle limits ensure a consistent, fine pigment with controlled residue when sieved.
    • Ignition Loss: Maximum levels are set to control organic and volatile impurities.
    • Color: Acceptable color is mutually agreed upon by purchaser and supplier.
  • Sampling and Testing:
    • Sampling procedures specify the number of samples per shipment.
    • Test methods reference current ASTM standards (e.g., D185, D280, D716, D1208).
  • International Compliance: Developed in line with WTO TBT requirements to support international trade and harmonization.

Applications

Wet ground mica pigments compliant with ASTM D607-82(2019) are primarily used in the manufacture of protective coatings. Their unique physical and chemical properties offer a range of practical benefits, including:

  • Industrial Paints and Coatings: Enhance durability, flexibility, and resistance to environmental factors in surface protection.
  • Automotive Coatings: Provide enhanced weathering stability and appearance.
  • Marine and Heavy Equipment Finishes: Improve barrier properties against moisture and corrosion.
  • Other Specialty Applications: Where fine, consistent mica pigment is required for quality assurance and performance.

By ensuring strict control of moisture, particle size, and other properties, manufacturers can deliver superior, reliable mica-based pigments for high-performance coatings with optimized processing characteristics.

Related Standards

Several ASTM standards are directly referenced in ASTM D607-82(2019), supporting accurate measurement and quality control:

  • ASTM D185: Test Methods for Coarse Particles in Pigments
  • ASTM D280: Test Methods for Hygroscopic Moisture (and Other Matter Volatile Under the Test Conditions) in Pigments
  • ASTM D716: Test Methods for Evaluating Mica Pigment
  • ASTM D1208: Test Methods for Common Properties of Certain Pigments

Related Keywords: wet ground mica, muscovite mica, mica pigments, protective coatings, ASTM D607, pigment specifications


By specifying material quality and properties, ASTM D607-82(2019) supports manufacturers, specifiers, and end users seeking reliable wet ground mica pigments for protective coating applications and ensures compliance with international trade and quality standards.

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ASTM D607-82(2019) - Standard Specification for Wet Ground Mica Pigments

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Frequently Asked Questions

ASTM D607-82(2019) is a technical specification published by ASTM International. Its full title is "Standard Specification for Wet Ground Mica Pigments". This standard covers: ABSTRACT This standard specification covers wet ground mica pigments for use in the manufacture of protective coatings. Pigments shall be made by wet grinding muscovite mica. Properties such as density, moisture, grit, coarse particles, residue, ignition loss, and color shall conform to the requirements of the specification. 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 accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ABSTRACT This standard specification covers wet ground mica pigments for use in the manufacture of protective coatings. Pigments shall be made by wet grinding muscovite mica. Properties such as density, moisture, grit, coarse particles, residue, ignition loss, and color shall conform to the requirements of the specification. 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 accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM D607-82(2019) is classified under the following ICS (International Classification for Standards) categories: 87.060.10 - Pigments and extenders. The ICS classification helps identify the subject area and facilitates finding related standards.

ASTM D607-82(2019) has the following relationships with other standards: It is inter standard links to ASTM D607-82(2012), ASTM D716-86(2019), ASTM D1208-96(2019), ASTM D1208-96(2012), ASTM D716-86(2012), ASTM D280-01(2012), ASTM D716-86(2007), ASTM D185-07, ASTM D1208-96(2007), ASTM D280-01(2007), ASTM D716-86(2003), ASTM D280-01, ASTM D280-81(1995), ASTM D716-86(1999), ASTM D185-84(1999). Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

ASTM D607-82(2019) is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)


This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation:D607 −82 (Reapproved 2019)
Standard Specification for
Wet Ground Mica Pigments
This standard is issued under the fixed designation D607; 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 (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope
Types
A B
1.1 This specification covers two types of finely divided
Regular 325 M Fine Grade
Grade
muscovite mica, commercially known as wet ground mica,
suitable for use in the manufacture of protective coatings.
Moisture and other volatile 0.5 0.5
matter, max, weight %
1.2 This international standard was developed in accor-
Grit, max, weight % 0.5 0.5
dance with internationally recognized principles on standard-
Coarse particles, max, weight %:
ization established in the Decision on Principles for the
Total residue retained on a 0.1 0.01
No. 140 (106-µm) sieve
Development of International Standards, Guides and Recom-
Total residue retained on a 12.0 3.0
mendations issued by the World Trade Organization Technical
No. 325 (45-µm) sieve
Barriers to Trade (TBT) Committee.
Ignition loss, max, weight % 5.0 5.0
(dry basis)
2. Referenced Documents
3.2 The color shall be within mutually agreed upon limits of
2.1 ASTM Standards:
a standard acceptable to both the purchaser and the seller.
D185 Test Methods for Coarse Particles in Pigments
4. Sampling
D280 Test Methods for Hygroscopic Moisture (and Other
Matter Volatile Under the Test Conditions) in Pigments
4.1 Two samples shall be taken at random from different
D716 Test Methods for Evaluating Mica Pigment
packages from each lot, batch, day’s pack, or other unit of
D1208 Test Methods for Common Properties of Certain
production in a shipment. When no markings distinguishing
Pigments
between units of production appear, samples shall be taken
from different packages in the ratio of two samples for each 5
3. Composition and Properties
tons (inch-pound or SI), except that for shipments of less than
3.1 The pigments shall be made by wet grinding muscovite
10 000 lb two samples shall be taken. At the option of the
mica and shall conform to the requirements for properties
purchaser the samples may be tested separately or after
prescribed as follows:
blending in equal quantities the samples from the same
production unit to form a composite sample.
Types
A B
Regular
...

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