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This specification establishes the properties and requirements for the pigments commercially known as raw sienna and burnt sienna in the dry and paste in oil forms. The dry pigments shall be sampled and tested as appropriate, and conform accordingly to composition requirements as to iron oxide, calcium compounds, moisture and other volatile matter, coarse particles (total residue retained on a No. 325 sieve), and organic colors. The pigments in paste in oil form shall conversely be tested and conform to composition requirements as to pigment, nonvolatile vehicle, moisture by distillation, and coarse particles (total residue retained on a No. 325 sieve). Both forms shall adhere to specified mass color, tint character, and tinting strength requirements as well.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This specification covers the pigments commercially known as raw sienna and burnt sienna.
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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D50 Test Methods for Chemical Analysis of Yellow, Orange, Red, and Brown Pigments Containing Iron and Manganese
D185 Test Methods for Coarse Particles in Pigments
D280 Test Methods for Hygroscopic Moisture (and Other Matter Volatile Under the Test Conditions) in Pigments
D387 Test Method for Color and Strength of Chromatic Pigments with a Mechanical Muller
D1208 Test Methods for Common Properties of Certain Pigments
ICS Number Code 87.060.10 (Pigments and extenders)
UNSPSC Code 12171600(Pigments)
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ASTM D765-87(2020), Standard Specification for Raw and Burnt Sienna Pigments, ASTM International, West Conshohocken, PA, 2020, www.astm.orgBack to Top