Document 0gxkr08qzenpbaKdbjyg3yZ0J

H. C tasylar rss? fcs AfPiSfcs Mr, 0, , Fiaifer - Berlin Mr. V. I. didwell - Toledo Dr, A. C, Siefert - Qranrilla Vc ire la the aidst of drifting specifications for the rev uterine need in Xeylo products. In this particaler instance, we are concerned with epees to jusnre tnat future lots of 7D chryaotile are coarcmrable in quality to the 7D-1 aterial of National Oypsus which has already been received and need at the plant with succesa. Since the pan fraction In the Quebec Test Makes up the bulk of the Materiel, control of tr.e sake-up of this fraction la of utmost iaportance `-.Lie ve rare the results of tns Bauer-McKett analysis, I feel that we sociid ret scae lata on wet bulk density as an indication of the ratio of fibrous to non-fibrous eaterial in the fines. ill you please, therefore, peri am this determination on J.M. 6D-20 and on X. Z. 7H-1? Iba tent proced-tcre is as follows: f'laee ?90 al of water at 7??. into a 1000 a' graduated cylinder, lie ?Cn .1 grams of fiber and fill with water to the 1000 el mark. The cylinder is then inverted 2C tiaee vlO ccwplete inversions). The cylinder containing cne suspension is then set aside on a ribration-free base, and timing eegnn. The Toju-*s in al to xt_ch the material baa settled after 3 nemrs is reed and recorded. Report the average of two tests.* *6T V*P