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UC 14&2 w- -w- INTERNAL CORRESPONDENCE 8899 OLEFINS DIVISION P. 0. BOX 8004, SOUTH CHARLESTON, WEST VIRGINIA 25303 To (Hamt) Compony locofloo Copr'o Mr. C. J. Swan om. .larch 30, 1967 PLANT 514 Originating Dnpt. PLANT ENGINEERING Antwring InlUr data Mr. M. J. Hughes sub/.cf Mr. R. P. Little - / Mr. W. J. Erdman Mr. L. S. VanDelinder - Mr. J. C. Canterbury _ JL.B - File - SCUW-113 - Subject Revisions to No. 2 Double Effect Evaporator -- Chlorhydrin Unit -- Building 6 -- Plant 514 -- Job No. 20995 -- Engineering No. 4316 -- Installation of New Bottom Outlet Connection Bolted In Place Utilising Epoxy Adhesion Sealant Dear Mr. Swan: As noted in my letter of March 7, 1967, the following is a ' Supplementary instructions for the application of the epoxy joint sealer. Mr. J. C. Canterbury has just advised me as to the proper addition of the asbestos filler required for the mixing of the joint sealer. In my letter of March 7, I noted that the amount of asbestos filler to be added would have to be determined experimentally. This information follows in complete de' tail. Note, the following mixing instructions are by weight and not by volume. The epoxy joint sealer mixing instructions when utilising asbestos filler -- 1. Bakellte ERL-2774 (Resin Base) -- 100 pftrts 2. Sonite No. 41 Hardener -- 19. 5 parts 3. UCC Resin Grade Asbestos No. 144 -- 20 parts Note: Mr. Canterbury advises that the addition of the asbestos filler should be fairly closely controlled. No less than 20 parts and no more than 25 parts should be added. The steps for mixing should be as follows: / .. .. 1. Measure out proper amount of ERL-2774 Resin Base. 2. Add the proper amount of Sonite No. 41 Hardener mixing well the two components. .3 Add asbestos filler as'noted above. \ !/>j 131,1^ 'A- <; t Mr. C. J. Swan March 30, 1967 Page 2 Thia mixture will provide a good, well bodied mix and should serve to provide the joint sealer that we wish to utilize. The estimated work* ing time -- pot life -- for this mixture is approximately one to two hours. The other additional application instructions are as outlined in my letter of March 7. :>hould you wish any further information, please feel free to call on me or Mr. Canterbury. Very truly yours. JLBtgd Plant Engineering Department V 1 H.