Document rpJ34jXmyB71v6k6aLd5p2537
FILE NAME Talc TALC
DATE 1956 Oct 8
DOC TALC408 DOCUMENT DESCRIPTION Memo RE Particle Size Distribution of M Talc
Manville
Research Center
Report No. _ 412 462 CONFIDENTIAL
Date
October 1956
Title PARTICLE SIZE DISTRIBUTION OF MANVILLE TALC
Requested by C. Sheckler Manville Plant
SUMMARY
A sample of powdered talc supplied by Eastern Magnesia Talc Company and used by
Manville Corporation was submitted for a determination of particle size dis-
tribution Distribution was determined by the Klein Hydrometer method in isopropyl
alcohol using 5 per cent Triton 100 as a dispersant The results of the deter-
mination are as follows
20 microns
20-10 microns -
10-8 microns
8-6 microns
6
microns
35 % 63 %
0.5 0.4 1.1
weight weight weight weight weight
Contents Summary only
Approved by
|
Hiking
H. L. King
Hiking
-
co: C. F. Rassweiler GH C. Sheckler Manville 3 E. R. Williams
A. B. Cummins
H. L. King . File 412 7
Reported by
;
de Sh. 1. F. L. Kadey Jr.
Notabook 75 p.ll
CRMC