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ASTM D3724-82(1995)e1

Historical Reaffirmation

Standard Specification for Synthetic Brown Iron Oxide Pigment

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1.1 This specification covers the pigments commercially known as synthetic pure brown iron oxides and blends. These pigments are suitable for use in paints and coatings. Methods of manufacture are:

1.1.1 Precipitation of iron salts.

1.1.2 Calcination of precipitated iron oxides.

1.1.3 Blends of synthetic red, yellow, and black iron oxides.

1.1.4 Blends of synthetic red, yellow, and black iron oxides plus the addition of carbon black to a maximum of 5.0 %. Small amounts of carbon black are added to obtain tinting colors not obtainable when synthetic brown iron oxide or carbon black are used singly.

1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.


SDO ASTM: ASTM International
Document Number D3724
Publication Date May 10, 2001
Language en - English
Page Count 2
Revision Level 82(1995)e1
Supercedes
Committee D01.31
Publish Date Document Id Type View
May 10, 2001 D3724-01 Revision
Oct. 1, 2019 D3724-01R19 Reaffirmation
Nov. 1, 2012 D3724-01R12 Reaffirmation
Nov. 1, 2007 D3724-01R07 Reaffirmation
May 10, 2001 D3724-82R95E01 Reaffirmation