Document 0J8n4dbdO2LBgjBEv4LVRog4M

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 cksj or MX?!SSs Min.. MtmFL r "nwRirAumMn urmr weme 9ti erex DATS ISSUED 8-21-53