Standard Historical Last Updated: Aug 16, 2017 Track Document
ASTM D1155-89(1994)e1

Standard Test Method for Roundness of Glass Spheres (Withdrawn 2003)

Standard Test Method for Roundness of Glass Spheres (Withdrawn 2003) D1155-89R94E01 ASTM|D1155-89R94E01|en-US Standard Test Method for Roundness of Glass Spheres (Withdrawn 2003) Standard new BOS Vol. 06.02 Committee D01
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Scope

1.1 This test method covers the determination of the percent of true spheres in glass spheres used for retroreflective marking purposes and industrial uses.

1.2 This test method includes two procedures as follows:

1.2.1 Procedure A , in which the selected specimen is split into two size ranges or groups prior to separation into true spheres and irregular particles, and

1.2.2 Procedure B , in which the selected specimen is split into five size ranges or groups prior to separation.

1.2.3 In determining compliance with specification requirements, either Procedure A or Procedure B may be used. Where tests indicate failure to meet the specified percent of true spheres and irregular particles, the referee test shall be made in accordance with Procedure B.

1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

1.4 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.

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Details
Book of Standards Volume: 06.02
Developed by Subcommittee: D01.44
Pages: 3
DOI: 10.1520/D1155-89R94E01
ICS Code: 81.040.30