Document npqkZLn36VQ2QOadNgr6p0Qd1

FILE NAME DuPont DUP DATE 1968 Jan 15 DOC DUP116 DOCUMENT DESCRIPTION Letter to Mr. Kenneth Keuper from Robert E. Buckley Pittsburgh Corning Corp RE Unibestos ROBERT E. BUCKLEY VICE PRESIDENT eo : - PITTSBURGH CORNING CORPORATION ONE GATEWAY CENTER PITTSBPUAR15G22H2 PLAINTIFF'S EXHIBIT 1349 January 15 1968 Mr. Kenneth Keuper Room 1240 Engineering Loviers Building E. I. Dupont Wilmington Delaware Dept. , . Dear Mr. Keuper temperature UNIBESTOS the high insulation by Pittsburgh Corning Corporation is composed of manufactured asbestos UNIBESTOS fibers of Amosite It is contains no Chrysotile or Crocidolite fibers composed exclusively of the ferrous magnesium silicate fiber with suitable fillers and binders Typical analysis of the main asbestos groups are SiO2 FeO F-- 203 Mg Na ---- o, All other Chrysotile 39.8 1.1 0.8 39.5 0.1 . 12.0 Crocidolite 51.4 20.3 17.5 1.4 6.2 1.9 Amosite 49.3 40.9 0.4 5.7 0.2 1.9 100.0 100.0 . 100.0 needed have Please on this let me know if there subject We will be is any additional information pleased to share any we may REB gr Very truly yours Robert Ct cl Kin laeet ~~Robert E. Buckley Buckley Vice President - Sales P ek lint