Tobacco Documents Online

•M !SL' ] .a,^ ~~ ~PH I L I P MORR 1 S U.i S 4 INTER-OFFICE CORRESPONDENCEn~"~t~ ,,ay` :.a a kNICNNOND YIlDINIA ,.~ ~~,~+~`SAx"2){-' A ., ~.'i r+.` s° ~ Dr. R. B Seligman ~t~, _~• 1979 .. ~ ' ',~x`~~ui~'+/~`~.5! 7gmtfoa Prevenhon ~areite_ s p J 1[ :iy~~ ~;!~~'k- [~c.S^y:,L '~.~~ ';S~Pt~ ..~},>'ptl!'~ .if+F rtsY~!1,xn 7ncreasing concern aad publicity about fires and fire fatalities which J ~may be caused by careless disposal of lighted cigarettes had led to a~ I ,. t-~review of the ~= ignition preveatioa (self-eatinguishing in furniture, etc )~ ~~jrci~arette It is lmown that in an ash trayittitii e. suagarettes 1' on ceran cf -. ,~ v7 ,;~f ~ fwith faghtly packed tobacco rods or with high chloid tb' ~,reoaccos or+^h b v ,~~ ,: ~ with v' ery slow barning rod wrappers would not keep burning r It h ~~~~K .as, F ~ also been assumed that the static burn rate as measured ia the :'standard test would indicate whether or not aittlllf ~ ;s~'~ , cgaree wour se.'~" ~ ~ eatiaguish. ` To reduce tar and nicotine nnmbers in the low deliv ; cigarettes the tendency has aZways been to move In the dietinf~ rco a: :~. more rapid b and lower counts f-'~ ~~ puff ^ a,~.As a result of these iaterrelationships in the conveational wisdonn'~ ~ `,' about cigarette desiga it has come to bed tbt assumea an ~-. ignitioa pre- ;.:: pention cigarette in the sofa or matFress sifuatioa would be one which wouid also seif-ex~ing ysTi ia t~ie as i~tray or m e statfc burn test w ~ n.° "In the interest ot consumer accepfiabiLity we have striven for cigarettes which would continue to b i thith urnne latter case wout regard to the ~` ; former We have said that since ., slower bl,**+' 9 cigarettes give ..higher delivery, the rapid burn low delivery is preferred by the con ;; sumer even thoughi_ ~gnition potential may be greafer We have ne .ver explored what the requirements are fo a iititii rngnon prevenon cgarette in the sofa case and whtht thri eer or noese reqsrements are in conflict with those properties needed to give the consumer a low delivery 'product which sustains burning in the normal usage situation. 1~:.,•...... . . . It is, therefore, recommended that we initiate a modest program to ` study and establish testing procedures for the determination of ignition ~; potential of O . burning cigarettes.nce a standardized test has been established we can determine the importance of burning rate and other O properties as factors affecting iggnition potential. A program to this end was outlined by Henry Merritt in 1977 and provides a'; X a good starting point for the investigation I would suggest allocating W . ~

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