Document GmbRVJ43418Zx6XLaRNRV443q

Johrts-Manville FINISHED PRODUCT SPECinCATlON PRODUCT: suras FUBHACE blocks (huh) suras FUBHACE BLOCKS (SH1C&XZD) DIVISION SPEC NO. PAGE NO. U itJW'fV ta/Mr 4. V. BTTATTrr MPUIBBgRTSt HOIEi Values determined on Supers Furnace Block (Plain) except aa noted* 1* Density (lbe/cu. ft.) Desired Maximum Maximum -- ifeflelna of Bunture (nsi) 210 27# - PLAINTIFF'S EXHIBIT K-1674 60 1. 10 min. Z 20 min. -- 60 - 70 wnriBinn l&T^naww (sum. by Plastoaaeiter) As deceived 3U& 0.75 max. (erg. 5 samples) OJ, (evg. 5 samples) 0.5 (individual; X Changa mf'Em- S.VW 1. Hkrdnass (24 hrs. at 1900F) - 0*9 m.m. anTlnxm 2. Loss is Weight (24 hrs. at 1900P) - 10& mnrdiaun F. s^-rtwVaga (percent) (Tested on UnslHeated Block) 1. After 24 hrs. at 1900F G* Efagnesia Content -- 1.5% average 2.0% maxi mum 6/6 optimum VI. PACKAGING t Cases or cartons. Cases vhen sawdust is used. Trapezoidal Blocks far American Brake Shoe Co. (4* thick x 6*' x 5-1/8*) shall be packaged 12 pieces per 11-5/8* x 12-1/2* x 36-1/4* carton. additional packaging Information consult Packaging Specification Magnesia Superex 432-5. RETURN TO J-M RESEARCH FILE ROOM v Indicates ...... Change Hardness test from 4 hrs to 24 hrs. *" CHANGE --IREASON. AUTHORITY FOR CHANGE SUPERSEDES: dir. MOR. ac. Q.C. Correction SUPR. Q.c. Page 4 samme sppeecciuficlaattiioon ilsisued 2/2/61 S'xf> in't/if PROD. PLOT.' RES. sun. FH. LAS. Briggs___ Ernst___ 1 "uo> 6/4/62