Document zzmv5zL4XJ4rkz9Q1Lp4odw2z

rrjzu-*'HUMBLE OIL & REFINING COMPANY MANUFACTURING DIVISION HOUSTON, TEXAS 77001 October 12, 1965 -------tty/is 9. O. BOX t 307 Low Cost Anticaking Additive for Sodium Nitrite Rust Inhibitor Mr, R. F. Howe (Mr. M. L. Bollinger) Baton Rouge Refinery Mr. G. F. Willey (Mr. C. R. Daaiels) Pittsburgh Plant In his September 22 letter on the above subject. Dr. Kassinger, of the Products Research Division, recommends the use of high purity .colloidal asbestos (Union Carbide) as a replacement for Cab-O-Sil pyrogenic silica as an anticaking agent in pulverized sodium nitrite. y*A We would appreciate your comments on Dr. Kassinger's proposal and an approximate estimate of the annual savings which would accrue to Humble as a result of substituting asbestos for Cab-O-Sil. E. S. GANGLUFF RLR:ebw cc: Mr. R. L. Albright Mr. E. H. Berg Mr. M. Kilbus i/ R. L. Ross 0028