Document e7VO7aVw458EE81R5aXzN4EZm

FINISHED PRODUCT SPECIFICATION PRODUCT: SUPEREX FURNACE BLOCKS (PLAIN & SILICATED) VI. PHYSICAL PROPERTIES AND REQUIREMENTS: A. Density (pcf) (TM-II-432-11) Optimum - 24 Maximum - 27 B. Modulus of Rupture (psi) (TM-II-432-14) Minimum - 60 XI C. Abrasion Loss (2) (TM-ASTM-C-421 or TM-II-432-12) 10 minutes - 40 maximum 20 minutes - 70 maiH mum D. Change After Soaking Heat (TM-ASTM C-356) (24 hours @ 1900F) 1. Loss in Weight (Z) (TM-II-432-9) Maximum - 10 2. Linear Shrinkage (Z) (TM-II-432-9) Optimum - 1.5 Maximum - 2.0 X2 VII. TEST FREQUENCY: Property A. Performed by Plant Frequency 1. Dimensions I -Check each piece at set-up and a minimum of one (1) piece per buggy thereafter. 2. Density -Test a minimum of once per week. 3. Modulus of Rupture -Test a minimum of once per week. i- PLEASE RETURN TO J-M RESEARCH LIBRARY*__iiO'CATES _ eeAioN' XI - To Delete Hardness and Magnesia Content CM",CB X2 - To Add Test Frequency______________________ AUTHORITY FOR chance D.B. Wingerter per Approvals to Proposed FPS dated 1/27760. llffl UPlRSCDEfc Page 2, FPS-II-4322-12, issued 10/15/58 on. ML SURR. RROD. RLHT. W-.c. O.C. O.C. SUfT. RR. H.E. Konrad KS, 2/19/69