Document nJw7wz8XMj50kqXjQpb9b2m

PROGRESS REPORT y- / JOB./IO. REPORT NO. technical services dept. - w. g. krummrich plant W.G. KRUMMRICH PLANT RESEARCH GENERAL OFFICE E.L. BOEHM 12 File >Q J. M. CONNAUGHTON |gj J?. W. DALTON P. E. HEISLER J. R. McCLAIN |~~1 H. B. PATRICK E W. J. WILSON ' E H.F.Ray [2 T.E.Greenman TO RECEIVE DETAIL SECTION IS W.R.Richards Or. e. bilger D. DANNA ( 4 ) Q*. P. DUNLAP *Qc. E. ANAGNOSTOPOULOS P. W. EDWARDS *0 L. L. FKLLINOKR *GS. A. HEININGER * D. B. HOSMER Q J. A. MULLENDORE n. l. SAMPLE R. E. SODEN p(DATE 1 /12 OTHERS *UI--I JF0 j. E. SMITH __ NIT* * W. R. KELLOGG ___ _ Anniston * L. C. FUHRMEISTER General Office EH.p. Carder 12 R.S.Yates 12 P.G.Benignus (2 R.H.Munch ' TITLE: Dept. 246-AROCLOR-EXPOSURE OF AROCLOR 1242 TO VARIOUS MATERIALS OF CONSTRUCTION - EFFECT ON ELECTRICAL PROPERTIES ' personnel: j. a. Gloeckner, B. L. Caraway, G. E. Lewis (D. C. Armstrong) -problem' SUMMARY There will be areas in the new Aroclor Facilities where Aluminum (the material of choice) cannot be used. We need to know the effect on electrical properties of exposure of Aroclor to these materials. We found that Aluminum, 304 and 516 stainless steels. Monel and Teflon did not degrade Aroclor quality on exposures at 100C for up to 60 hours. White Garlock 900 (Ungraphited) degrades Aroclor slowly. HypalonQff)totally unsuitable with degradation occurring in less than 12 hoursTy ' uo J. A. Gloeckner mt DS\N 310305 COMPANY CONFIDENTIAL INFORMATION This document is the property of Monsanto Company and the recipient la responsible for its safekeeping and disposition. It contains confiden tial information of Monsanto Company which must not be reproduced, revealed to unauthorized persons or aant outside the company without proper authorization. Either retain in secure files or destroy. FORM WOK BOO REV-2/66 STLCOPCB4070292 9.1370:379^ (5) 2- - January 12, 1968 DETAILS The proposed new Aroclor Facilities at WGK are being designed by c.E.D. Because of availability and temperature limitations, some of the instal lation downstream of the stills must be of materials other than Aluminum. Aluminum is the preferred material for handling refined Aroclor. Various materials were exposed to electrical grade Aroclor 1242 at 100C for periods up to 60 hours. Periodically during the exposure the Aroclor was tested to determine If degradation was occurring. The tests used v^ere Power Factor (60 Hb and 100C) and resistivity (100C). The test materials were removed during analysis. The analyses were performed by analytical section personnel using routine procedures. r The test material was immersed in a cleaned electrical property test cell. As a control. Aluminum or Teflon was run In parallel for each material. At the end of each exposure period, both cells were throughly flushed with fresh electrical grade Aroclor 1242. RESULTS . Because of the exposure of the hot test Aroclor to atmospheric contaminents, no absolute values can be placed on the results. These tests should only be considered as indications of suitability since the area of exposure to the Aroclor may vary widely In actual application. Organic Research, in another project, has also tested the effects of materials of construction, in a similiar manner (Org. Research Rpt. 3470 12/6/67). Our tests showed that 304 and 316 stainless steel, and Monel did not degrade Aroclor electrical properties as compared to aluminumL. Of the non-metallics tested, Garlock 900 (ungraphlted) showed a slow degradation. Hypalon rubber degraded Aroclor rapidly and would not be considered suitable. Both of these materials were tested versus Teflon. The Organic Research report mentioned above shows that cork and Buna-N are not satisfactory. Viton A and Silicone rubber both performed well. Reference: WGK 1347-48 J. A. 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