FILE NAME: Pfizer (PFIZ) DATE: 1973 Jan 17 DOC#: PFIZ048 DOCUMENT DESCRIPTION: Letter to Customer Notifying them of Asbestos-Free Kilnoise f - 'i'- w U MINERALS, PIGMENTS & METALS DIVISION dfUinOWAt ft***J*aUnIL9uiMaLryTOUO1O7, ,OHIO14M97*3 M10r4.3 WBaalltmKoorawlleDyrive Pittsburgh, Pennsylvania 15237 Dear Walt; This is to let you know that we have successfully modified our Kilnoise containing asbestos to Kilnoise asbestos free, and we call'it Kilnoise - II.

FILE NAME: Pfizer (PFIZ) DATE: 1972 May 17 DOC#: PFIZ012 DOCUMENT DESCRIPTION: Memo RE Improvement of Kilnoise Applied to Solid Backing TO: R.