Document n9zMnJ8r15w4JYZw2BMx8dojG
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tecjwicm. committee meetuig
AaV>e.stot Textile Institute
October 3. 1966 et the hotel Hershey, Hershey, Pn.
In Attendance: G. E. Houghton
- Garlock, Inc.
j. D. McCluer E. A. Morris
- h. K. Porter Co., Inc. - Uniroyal, Inc.
D. T. Austin
- Uniroyal, Inc.
William Maaskant - Arerican Asbestos Textile Corp.
I. Barnett
- Johns-Manville
Minutest
J. W. Hawkins
- Raybastos-Manhattan, Inc.
The Technical Committee, Fiber Testing Committee, and ASTM D-13, A-4
met in a joint session to discuss data recently obtained from the
Round Robin test on asbestos textile products. The information was
studied statistically and the conclusions were that there is too much
variation between laboratories to consider writing an ASTM Magnetic
Specification at this time, both the Turner and Mapes gave question
able values.
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Recommendations were heard that a second series of tests be started and to have a representative from Bell Asbestos Mines, Mr. Walter Smith, monitor techniques and personally bring the samples into the member companies laboratory. This assignment should be completed prior to the February smeting.
Magnetic standards were discussed end Mr. Lincoln and Mr. Nicodcmus will consider using electrical techniques in the preparation and measurements of the proposed standards.
The ATI technical group and ASTM A-4 mat after the first session. Hr. Nicodemus acted as chairman and Mr. Uatrie as secretary. Mr. Nicodemus atatsd that a volume resistivity test vouJ j >. of vrlu*; and that an ASTM method should be included to cover this type of tes:. Mr. Hicodemus will work on this method.
The Heat Aging test was discussed and an additional Round Robin test will be necessary before working on this procedure. ASTM 1573, ns written up, will require modifications.
The date obtained from s Round Robin test on s Japanese cloth was reviewed and the variations between laboratories noted, it is thought that the Japanese cloth in general is inferior to most American mads equivalents.
The mercury contamination clause in several military specifications was discussed and the problems encountered by the manufacturer in complying.
Respectfully submitted,
John w. Hawkins Chairman