Document mm6ek8nqrR70EoGR0ndrqL5j0

<- . . 9/5/75 TO: Members o f Standards Committee Members o f Talc Committee Dr. N. Estrin Ms. A. Curry Dr. J . Menkart Dr. D. R. Petterson - J & 0 This represents the fin a l version o f the Cosmetic Talc Standard as submitted for e d itin g and p u b lica tio n . GEORG E W. 5A.NDLAND PLAINTIFFS EXHIBIT WCD-320 WCD000064 Submitted fo r e d itin g and pu blicatio n 9/5/75 CTFA S p e c if ic a t io n COSMETIC TALC COSMETIC TALC Issued: CTFA A' ame me DEFINITION: Cosm etic T a lc Is a w h ite , e s s e n t ia lly o d o r le s s , fin e powder, ground from n a tu r a lly o c c u r rin g rock o r e , c o n s is tin g m ainly o f hydrated magnesium s i l i c a t e h avin g the id e a l form ula M g6[Sig02oI ' (O H )^ w ith le s s e r amounts o f n a tu r a lly a s s o c ia te d m in e ra ls such as c a lc i t e , c h lo r it e , d o lo m ite , k a o lin and m agn esite, and c o n ta in in g no d e te c ta b le fih-rnxm a sb e sto s m in erals^ _____________________________. ---:----- ---------------------:--------------------------------- --- - TEST C o lo r . I < Odor . . . _____ SPECIFICATION As s p e c ifie d by the buyer and showing no change a f t e r h e a tin g As s p e c ifie d by the buyer i MB TH0.11 .i Heat 1 to 2 g a t 200C j f o r 5 1m inutes | ' Identification ........ F o s i t i v e : C lo s e match to CTFA CTFA G 3-1 Spectrum-IE. w ith no in d ic a tic i., of foreign m aterials A lte r n a te : Close match to R eferen ce: ASTK Powder standard X-ray d iffr a c tio n D iffra c tio n F ile Card No. p a tte rn fo r T a lc , showing the 19-770. most intense r e fle c tio n s a t d values about 9 .3 5 , 1.5 3 and 4.59 'S lip Lustre ^. . . . W ater-Soluble Iron . . . . . Screen T e s t ....................... ...... Water So lu b le Substances , . As s p e c ifie d by the buyer Do, Passes te st 100% through 100 mesh 98% minimum through 200 mesh F in e r . grades : as sp e cifie d by the buyer 0,1% maximum A cid -So lu b le Substances , , Loss on Ig n itio n . . . . . . A rsen ic (as As) . . . . . . Lead (as Fb) . . . . . . . . F ib ro u s Am phibole ........................ (Asbestiform Trem olite e t a l) As s p e c ifie d by the buyer 6.0% maximum 5.0% maximum 3 ppm maximum 20 ppm maximum None detected USP X IX , p ag e 487 CTFA C 6-1 USP X IX , page 487 See te s t fo r "R eaction and soluble substances" CTFA E 32-1 USP X IX , page 487 CTFA F 1 -1 , P a r t s 1 -A and 11 c mCTFA F 2 -1 , P a r ts 1 -A and 11 J 4-1 Free cry s ta llin e s ilic a . . (Quartz) As s p e c ifie d by the buyer CTFA J 5-1 (DTA) A lt e r n a t e : CTFA J 6 -1 (X -ra y ) C o p y r ig h t @ 1 9 7 1 The C o s m e tic , T o i l e t r y and F r ag ra n ce Association, Inc. Ho portion of the CTFA Standards > in whole or in part}-may be reprinted without permission from The Cosmetic. Toil stry and Fragrance Ass WCD000065' V. t ** T " n, - r i Pi.- t * 1 i*... Ji' . T) ^ ft rj