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ASTM F7-95(2000)

Historical Reaffirmation

Standard Specification for Aluminum Oxide Powder (Withdrawn 2023)

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1.1 This specification covers aluminum oxide (alumina) powder in two classes of particle size, two chemical grades, and two levels of acidity, for use as an insulating coating or as an ingredient of ceramic mixtures for components of electronic devices as follows:

1.1.1 Particle Sizes:Class A--Particle size No. 500 nominal mesh (nominal average particle size = 24.3 µm).

Class B--Particle size No. 900 nominal mesh (nominal average particle size = 1.7 µm).

1.1.2 Chemical Grades--Grades 1 and 2 as specified under chemical requirements in Section 3.

1.1.3 Acidity Levels: pH (acid) 4.5 to 6.5 and pH (neutral) 6.5 to 7.5.

1.2 The following safety hazards caveat pertains only to the test methods in this specification. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


SDO ASTM: ASTM International
Document Number F7
Publication Date Jan. 1, 2000
Language en - English
Page Count 2
Revision Level 95(2000)
Supercedes
Committee F01.03
Publish Date Document Id Type View
March 1, 2021 F0007-95R21 Revision
May 1, 2016 F0007-95R16 Reaffirmation
June 1, 2011 F0007-95R11 Reaffirmation
Jan. 1, 2006 F0007-95R06 Reaffirmation
Jan. 1, 2000 F0007-95R00 Reaffirmation