Document NepX4o6QaxebgkRang8LpLmkb

General Headquarters November 7, 1955 A, R, Fisher C. F. Hassweiler K. V?. Huffino Alvin Brown J, A. O'Brien G* S. wQith C* V. Miller R* H. Orth A. J* tfaahs E. C. Lindstrom R* Jacobs, Hanville'*''* ' __ * H. S. Deeiey, Asbestos Mines & V* Lindell, Asbestos Mines J* D* Lowry, Toronto Plant To be noted by: R. S. Gardner L. M. Adamson W <. Boyd G. D. Poole K* Martin LABORATORY EVALUATION CF BLUE FIBRES TASK FORCE REPORT TF-8U Attached hereto is subject Task Force report covering the laboratory evaluation of standard Blue fibres presently used in the manufacture of Transite pipe The purpose of this laboratory evaluation was to correlate any differences between the .screen tests and plant operation results* The results show little or no correlation between screen tests and strength or filtration of the Blue fibres* Of the Blues tested, the &CBR3, Australian, Old and Improved Cape 5 -Blues are equivalent in strength and significantly stronger than Norca. (NC300) Blue* Verification of these results on a production basis have been complied and will be reported shortly* SC:jm cc: W. L* VanDerbeek K. J. Whalen A. R. Girardi' P. B* Proctor R Nebel H. J. O'Brien, Manville H* E. Richards, Manville A* B* Schilling, Manville A* Bel Pocco, Manville K* R. Vdlliams, Research G* B Brown, Research G* Smolak, Research J* Q* Trice, Research D. Nowlin, Research H* Engel, Research S. COLLIER P D* CANNON 0. SMOLAK xSiNfa;TfiUpfi stesRinB" SSaMMtSr 003000 A* R. Fisher C. F. Rassweilex A* W. Haffins Alvin Brown J. A. 0*Brien G./a. Smith C. V* Miller H. H. Orth A. J. Ka&hs E C. Lindstrom R. Jacobs, Manville- H. S. Deeley, Asbestos' Mines A. 7* Lindell, Asbestos Mines J. i). Lowry, Toronto Plant to be noted by: R* S. Gardner -- L M. Adamson W. E. Boyd Q. D. Poole R. . Martin LABORATORT EVALUATION OF BLUB FIBffiS TASK FORCE REPORT TF-81* Attached hereto is subject Task Force report corering the laboratory * evaluation of standard Blue fibres presently used in the manufacture i of Transit* pipe* The purpose of this laboratory evaluation was to T correlate any differences between the screen tests end plant operation results. The results show little or no correlation between screen tests and strength or filtration of the Blue fibres. Of the Blues tested, the KCBR3, Australian, Old and Znproved Cape S Blues are equivalent in strength . and significantly stronger than Korea (NC300) Blue. Verification of these results on a production basic havfe-been completed and will be reported 8hrtly* jr# -- ^ y SCtja cc: - TM W. L. VanDerbeetef?*1 K* J. Whalen' ^?" iUJW' Rreotblgr': ... . : .* Brian, Kszrrills s Richards, Manville C 'Sahmrwg, Manville ^ * A Bel Bocco, Manville - E. R* Williams, Hesearch G. B. Brown, Research G. Smolak, Research J. Q. Trice, Research D. Nowlin, Research H. Engel, Research S. COLLIER - P. D. CANNOH : 0. SMOLAK lTTST 001283