Document OJBEXJQDV0pe7g4z03M8x7DpM

Finished product Specification mooucTi X SPECIAL TOLXRAliCB SUPEREX BLOCKS V. QUALITY RBaPIRBmgSt A. Density (lbs/cu. ft*) Desired Maximum Maximum - 21*# - 27# B. Modulus of Rapture (psi) Ml ni wniwi -- 60 C. Abrasion loss (per cent) H 10 min. - 1*0 2. 20 ain. - 70 maximum X-l D. HardnCss (n.n. by Plastoneter) As Received Unsilicated MX-1915 0.75 max. (avg. 5 samples,) 0.1* max. (avg. 5 samples) 0.5 max. (individual) S. Change after Soaking Heat 1. Hardness (6 hrs. at 1500 F) - 0.9 m.m. ma-rimm 2. Loss in Weight (6 hrs. at 1500 F) 10J6 ma^nim F. linear Shrinkage (per cent) (Tested on Unsilicated block) 1. After 2l* hrs. at 1900 F -3% P9C. NO. 1*32-5 PA4K NO. 1*. CANCEUE) IO RETURN TO J-M RESEARCH FILE ROOM 71. MASKING, PACKAGING, AND LABELLING; II A. -Marking: Because of the small amount of taper on some blocks, it is difficult . to determine visually which, is the wide face. To facilitate instal lation, this face shall be marked with an "X". 1 B. Packaging: Cases or Cartons. Cases when sawdust is used. C. Labelling: Stencil on Case or Carton the following: Order No. Number of pieces Size pr customer's item No. Print or drawing No. Customer's name and destination. X* chaims-maioni Change in Title; x-l To show Unsilicated hardness. pmcSSSw Regular Approvals. FILC.MOUMM C. A. . deVyver cWk4s4,, or MX Min.. MtmFL r "nwRirAumMn rnrwnr weme 9ti erex DATS ISSUED 8-21-53