Document Z4VwMZZVGRLmYN5woee5ZR3KV

RAOLI I-iBORATORI 1!R. T. R. "ATT PEBRUAHT 15, 1962 BLUB RAPIDS, KANSAS ASBESTOS J. D. iiAUCH - bja Vm have enough ?-D Aebestoe in stock to fomalato approxiTiately 95 tons of Acoustical Plaster, however we have completely1 depleted our inventory of 7-44 Asbestos as used in Patching '.'lister 962 and Certflor 3i3 Sines we *-.s.ve such a large inventory of 7-0 Asbestos would it be possible to substitute 7-3 for 1-A in either or both the 962 and 3U3 formulas or should we re-order the 7-H .`stestoa? Plaase advise. SGP 0019050 MINTtD l* U Bestwall Gypsum Company 1 Ul J FOR BLUR RAPING DATE Feb. 20, 1962 FROM Paoli Lab OFFICE ATTENTION OF Mr. J. D. Rauch SUBJECT ASBESTOS ANSWERING YOURS 2/15/62DICTATED BY -- J. R. Aatc/md z}7 It will be satisfactory to substitute 7-D asbestos f4>r 7-M in patching plaster. Phis fiber is a little longer than 7-M, so be sure the patching plaster is mixed amply long to completely disburse the fibers. Rales no longer carries Certflor 8Ij.3 in their line, so this formula is being cancelled. SGP 0019051