Document ybgDmOzMJ5ja0g8R9QMd0o563

May 20, 1957 &* x. Trolley ect Ht. C, S. Abbey - Ardnom Hr* 0. ? Orlrs - Ardnore Mr* Hrra Head - Fori Dodge Fsoll Ubonioxj an AFFLicmoo acoustic FLAsra - am 1B3 J. I* Matt - cm 7?~ Infer to hr lsttsr of 5-7-57* Mr* Abbey has as* requested m Materials nscsasy to asks fire teas of this aooustleal Fart Dodge. The follndac will bs nosdodi 1300 lbs* Bartsnlts Cljy (-200 assh) 2900 lbs* Carol's 70 kbata 16 lbs* Ultra list 00 Hr* en^lneer^ Philip Carey Co*, 291 MgsansW Darien, Belferd, V* J# (Fboos PawNtro 6^Kt39) bss farolsbsd as angles of adhesion for oar laboratory deralppnant work oal said that if as santad soas tor a Maid trial bs eaQd cot it throngh oas of thsir distributers for fas considerably cheaper than, if as ordered it* I listed bis address and ptyse naber is yon ant to contact hla* Bontonlta Clay (-200 sash) sans as tfaa sa^ls yen obtained/for os fra F* S* Ilf hurtle r it Co*, Ins., Jolist, 111* aill bo satiafaoftocr. VIU yon pisaas bars those rar aatozlals shipped to tbs tfaxrt Dodge plant* to bo for BAD 183* 0*0 Messrs* driers and Bsadt The fozaala to bo tried is as follow Percent by Weight Bentonite clay (-200 nosh) Plastering grade expanded perlite (7*5 ciuft.) Carey's 7D Asbestos Ultra Vet DS ^ 12.0 60.0 28.0 100.0 3 lbs. per ton This plaster will bars to be nixed in the Kalita Mixer and sacked In open wrath bags. It ijg>ortant that it be sufficient to break up and disperse the "bundles* of asbestos fibers. Probably fire to ten minutes arlxlng will be necessaxy. Mr. Abbey's plans are to hare this plaster field tested in St. Louis and possibly Chicago. J SGP 0018643