Document gb9XZRErQMyDX2Nd53dmox1yL

Johrts-Manville FINISHED PRODUCT SPECinCATlON PRODUCT: suras FUBHACE blocks (huh) suras FUBHACE BLOCKS (SH1C&XZD) DIVISION SPEC NO. PAGE NO. ta/Mr 4. V. BTTATTrr MPUIBBgRTSt ... ... HOIEi Values determined cm Supers Furnace Block (Plain) except as noted* 1* Density (lbs/cu. ft.) Desired Maximum Maximum -- Mains of Bunture (nei) 210 21# - PLAINTIFF'S EXHIBIT K-1674 60 1. 10 min. Z 20 min. -- 60 - 70 wnriBinn ffr-rdnagw (sum. by FLastcsneiter) As deceived 3U& gallanted: 0.75 max* (avg. 5 samples) OJ, (avg. 5 samples) 0.5 (individual) * Change mfSmIHT'g 1. Hhrdness (24 hrs. at 1900F) - 0*9 nun. mmrliam 2. Loss in Weight (24 hrs. at 1900F) - 10 marl nun F. s^-riwVaga (percent) (Tested on Unsillcated Block) 1. After 24 hrs. at 1900F C. Efagnesia Content -- 1.5% average 2.0% morlimm 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 Suparex 432-5. RETURN TO . J-M RESEARCH FILE ROOM v Indicates ...... Change Hardness test from 4 hrs to 24 hrs. *" CHANGE --1REASON. AUTHORITY FOR CHANGE SUPERSEDES: DIR. MOR. ac. Q.C. SUM. Q.C. Correction Page 4 aamme sppeecciuficlaattiioon ilsisued 2/2/61 S'xf> in't/if PROD. PLHT. ' RES. SUPT. FH. LAS. Briggs___ Ernst___ 1 "uo> 6/4/62