Document 5M14nyeXBgrGYaKXe5keYJJz

FILE NAME: Talc (TALC) DATE: 1956 Oct 8 DOC#: TALC408 DOCUMENT DESCRIPTION: Memo RE Particle Size Distribution of J-M Talc esearc Center Date Title; PARTICLE SIZE DISTRIBUTION OF JOHNS-MANVILLE TALC Requested by: C. Sheckler, Manville Plant Qr.tohRff.-.a>-JL35. * . SUMMARY A ample of powdered talc, supplied by Eastern Magnesia Talc Company and U3ed by Johns-Manvills 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 X-100 as a dispefsant. The results of the deterir..nation are as follows: >20 microna 20-10 microns 10-8 microns 8-6 microns <6 microns 35 $ weight 63 % weight 0.5$ weight O . U % weight 1.1$ weight Contents: Summary only. C, F, Rassveiler, OH CV;.*. Sheckler,J Mrnanville (3) E. R. Williams A, S. Cummins H. L'King File; /J2 (7) Reported by F. L. Kadey, Jr WvflKKSi 75, p* U CRMC-HT-TALC-000044