Document ykOv7m9dLOnOmZ0GgMbbEVQvD

Mr, Mr. Mr. Mr! i'. 5! Tibbets - BB . . .M*lutr. o*i . * . JtCJjaUgJC Dr. T. . Nal - F. D. Dext r - BB Mr. T. R. Orme - L, G. Howard - Cinn. Mr. G. T. Scriba M. Kovack - Chi. AKKLITK COMPANY * DIVISION Of RSWWffH CORPORATION RIVER ROAD, SOUND BROOK, N. J. September 25, 1958 r Mr. Falter D. Tiedeman National Sanitation Foundation Testing Laboratory School of Public Health University of Michigan Ann Arbor, Michigan Dear Mr. Tiedeman: Bakelite Company manufactures a vinyl compound KDA-2458 Blue 35 based upon a vinyl chloride-acetate copolymer which is used by our customers in the fabrication of swimming pool liners. One of our customers, Chafco Pools, at the request of the Kentucky State Board of Health, has written or will write you for your comments concerning the suitability of our product in this application. For your information the formulation of KDA-2458 Blue 35 is as follows: VYNF-6 Polyvinyl chloride-acetate resin "Flexor' DOP Diocty phthalate Purecal T Calcium carbonate Non-chalking rutile titanium dioxide D-22 Dibutyl tin dilaurate Lecithin HSD Monastral Blue Pigment 54.40% 32.517 5.0 5.0 2.0 0.083 1.0 I trust that you will keep this information confidential. You will note that this material does not differ greatly from some of the vinyl materials used in your previous study of plastic pipe for potable water supplies. Possibly you may be in a position to comment on the swimming pool application without additional experimental data. If this is not the case will you kindly Indicate what information would be required to prove suitability. Thank you for your cooperation Very truly yours ucc 063217 RECEIVED FBA/mjk . B. Ackart CCT 1 1958