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FILE NAME: WR Grace (WRG) DATE: October 18, 1954 DOC#: WRG139 DOCUMENT DESCRIPTION: 1954 Letter to Zonolite Laboratory regarding bond failure in acoustical plastic. YttJTTRN MINERAL nO O U tiS CO. } eei JM3 1aia Q.'ulaoyllla CD*. ?Hr*oluits7ndal / ''D^ dr*n o0l*iot er5L aZb oierga tloe rr y . IX4via7naStaanns,onI l lAi vneonui se yl^ur Georges - /TTShffislopsroinbglamta on frlbfolendqfuaainlutirteiaisn oafctoeusslntiscsasl* p laI ts tiIcs pIsa rgtiscttullnagriltyo tbhasd pwoheinntZwohneorelltvs s pa tl imr tsstricoaol nptlrasosttiocr af aplpllsieos fBf itlwdrookandsodth rtehes tima tessr lfsrlo bonthdss*saso ce ilin g and th sa th s produycotu, vadsdatrho isfinbdonindgprtohbslabmustionetshss eaxlcreepadtiyondailslaydvhaanrdtagtoe ohofldnot Xhaivthinegr wa swgheitts sons answers fo r th is problem or Z 'a a fra id our a c o u stical business is cut th s window* I bkags oBf*aNcoieulssotincaolfpRlaasptidic Criitgyh, tSnoouwth, wDhaikcohtah, shiass asneroiorudselryptlahereeadtewniitnhgustofocar n1c,e2l0.0 Tahres Cp loaoeptesrriPnIgasrtoigrihntgnoCwoaondf wQhreleehlswy,ilCl obleorraedaod, yhafover tawcoo ulastrigcealscl ahosolns awtthelerhotfhedyays* wTthhrieae fitvinaehsa, sannodwyloouoctanthebeascuoruesttihceayl acreeilinnogts voarfyf oenf tbauaasidaaictiaol acbeonutet rthins pQrroeseplseyct . having e silln g s drop o ff o f ths two b ig school oba* ' as Rsooulnldwaiblslobrbainagt yanodurlilgabhot rraatoflrayctoivnwThsutrusddyayoafnda cForuidstaiycaolfptlhaissticwewekhictnh pwraosgress tinjtearAtendsrsioeanns CtimoleloaidgoCoStionestakthe isa bhoanndd Ipnrobtrleymin ghasto gsoottlevne icto h oWt,e'vvee hsauvrge esautegdgetshteadt Mthr*s Cprleombloof AwmitheriDcaanis*C olloid arrange to be in your lab o rato ry on Thursday-lo d iscu ss WpaaprererninHdaossht!s,y*in oBuerheams prlaoiyseesd, hthass hpaods seiobnioliitdyaroobf laintbraocdkugcroinugndsoinmethpsowpdaeirnedt aenadeevinail* pgoluien tstooouut rthacaot ucsetciceaial pgllauat tiIos tuosedimepsrovs ewiatlsl salduhiensgivbe etfoorehigthhssuacptpiolincabtiaosneso. f vRea il pthaepewr aalnlpdaptherat frPeeqruhaepnstlythgislueis iswoardthdedsonto# cthoen sipdoeortaotioton .obtain b e tte r adhesion of F.RUL PRflDXTS CO. CAPinh W.R. GRACE 104471 A T BOSTONPRonnnj^y PLEAXINHITBIIFTFS