Document peog5Qnnw5exwMjd3EJnBjBO6

May 6, 1969 k.M. Spec. Supersedes M:.siua Mo. Dated 10/20/59 9 ASBESTOS FLOATS PLAINTIFF'S EXHIBIT aCRI.'TION / 1>,E Fibered, grit free asbestos. Ingredient in Joint System products. ^ . ACE Phillip Carey - 7RF-9 Floats (May be obtained from other sources when approved by the General Lab) orECIFICATIONS GRIT / .^NENESS Should be free from gritty part cles. Test for grit is made by decantation with wat r, using a 25 gram sample and an 800 or a 1000c. c. beaker. Not less zhar, 750 c. c. of water shall be use for the first washing, so that any grit present will s jttle freely and not be held in suspension. 0.1% fine grit permitted. U. S. Sieve Series Thru 11 II 11 11 8 mesh 16 II 20 11 30 11 50 11 - 100% - 99.5 to 100 - 99 to 100 - 97 to 100 - 50 to 90 II 100 II - 0 to 50 For fineness test, use a 50 gram sample and shake for 30 minutes on the Ro-Tap. TER TO T. C. - 180 to 230 c.c. CC -OR Light gray, shall be equal or lighter in color than standard sample. FLING Representative samples shall be taken from each shipment for test. If the asbestos is ununiform in screen test and water carrying capacity, it shall be blended by any suitable method. REMARKS Tests on each carload of asbestos floats sha. 1 be compared with test: of or iginal shipment fro. sani- :. H1> 11 1 i ( 1' , wl 1 1 i h w i : i `Kin.! :-.H i 1 :u* to ry . Ji uny o.L Liu- tes i ; i 111 cl i c vi u. c1 cl OUb L ci d CO 4- c. :. :.ui. ability :for use in j oint finisher, it shall _ vT Cco in a laboratory batch. If this test shows the material to be unsatisfactory, the shipment shall ac re jected . uDGN:kgc -/ Denotes change in this reissue. p/y - SGP 0015913