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ASTM C374-70(1998)

Historical Reaffirmation

Standard Test Methods for Fusion Flow of Porcelain Enamel Frits (Flow-Button Methods)

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1.1 These test methods cover evaluation of the relative fusion flow characteristics of samples of a given porcelain enamel frit by comparison with an established standard for that frit.

1.2 Two methods are included, differing only in certain details of the samples and in the apparatus and procedure for preparation of test specimens. Both methods give equally reproducible results and provide a satisfactory basis for comparison of fusion flow of the sample with that of the established standard.

1.2.1 Method A employs granular particles of frit to which a bonding agent has been added. Button specimens are formed under high pressure in a hydraulic press.

1.2.2 Method B employs crushed, sized particles of frit to which a bonding agent has been added. Button specimens are formed in a steel mold by hand.


SDO ASTM: ASTM International
Document Number C374
Publication Date Jan. 1, 1998
Language en - English
Page Count 6
Revision Level 70(1998)
Supercedes
Committee B08.12
Publish Date Document Id Type View
May 1, 2014 C0374-14 Revision
Oct. 1, 2018 C0374-14R18 Reaffirmation
May 1, 2015 C0374-14R15E01 Reaffirmation
April 15, 2009 C0374-70R09 Reaffirmation
Aug. 1, 2004 C0374-70R04E01 Reaffirmation
Jan. 1, 1998 C0374-70R98 Reaffirmation