Document ExqoeDQ984Q9nYkw6Xbqg0v4N

\ ETHYL CORPORATION INTER-OFFICE CORRESPONDENCE 'ro Etr.. J. G. Burdick FROM F. H. Wade 8UBJKCT Information Requested By Etr. Rinehart On Asbestos Insulation ADDRESS Houston ADDRESS Houston date August 5, 1968 In reply to Etr. Rinehart's letter of June 28, 1968, requesting information on the composition of asbestos insulation, I have obtained the following specifications from the manufacturer who supplied our asbestos insulation. The insulation is identified as hydrated calcium silicate. It consists of ten percent asbestos'and ninety percent calcium silicate. The asbestos fibers average about one inch in length. There is no binder used in the insulation. The calcium silicate serves as the binder. Please advise me. if you need additional information about the insulation composition. dm cc: Mr. C. J. Lowe F. H. Wade ETH 000003