Document kDpoO3aQEy1agyYjxRmxz5wZD

J*Ui4AmvIIU FINISHED PRODUCT SPECIFICATION PRODUCT: SUPEREX FURNACE BLOCKS (PLAIN & SILICATED) DIVISION SPEC. NO. PACE NO. II 4322-12 2 of 3 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 n C. Abrasion Loss (2) (TM-ASTM-C-421 or TM-II-432-12) (Applies to MIL-I-2819 orders only) 10 minutes - 40 maximum 20 minutes - 70 maximum D. Change After Soaking Heat (TM-ASTM C-356) j (24 hours @ 1900F) 1. Loss in Weight (2) (TM-II-432-9) Maximum - 10 2. Linear Shrinkage (2) (TM-II-432-9) Optimum - 1.5 Maximum - 2.0 VII. TEST FREQUENCY: Property Frequency '69 v . - !_ REFET. ^ t' lee Jir Tm-i :SE" _ ___ v _______ -1 TrL- A. Performed by Plant 1. Dimensions -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. PLEASE RETURN TO J-M RESEARCH LiDimti iwi-------- CHANGE** --REASON: XI To Delete Abrasion Loss Requirement for Standard Production. AUTHORITY POR CMAMQE D. B. Wingerter with verbal approvals of Research and Product Manaeer. SUPERSEDES: Page 2, FPS-II-4322-12, issued 2/19/69 |1 1DIR. NCR. O.C. O.C. 1 Ttd: 1 vr LSSt 1 .*. ^.d \ 5/21/69