Document DG9nqbZma0qxZ339jpGXaNEm4

C CNTACT REPORT I APPROVED -f 1 Kaiser Chemicals Division of Kaiser Aluminum. and Chemicals Company Dolton, Illinois July 1, 1965 Dor Kaiser - Otto A. Weil, Suprv. Technical Services This visit was made in answer to the complaint recently received from Kaiser's California office regarding high non-condensables in the head-space of vinyl chloride tank cars shipped to Khiser in Dolton, Illinois. Though Weil couldn't find the analyses, he said the last shipment of vinyl received from Ethyl exceeded the 2.5$ specification non-condensables in the head-space. He said it was nothing to get excited about and he didn't know that Kaiser's California office had written us a letter of complaint. He explained that excessive non-condensables leads to excessive pressure in aerosol bombs made fron vinyl chloride-fluorocarbon propellant blends. He asked that on the next tank car shipment to them that if possible we let the car stand for a day or two prior to obtaining the head-space sample of gas for non-condensable analyses. (Quality Control has copies of Kaiser's analytical procedure for this analysis. Non-condensables considered are air, nitrogen and ethylene.) JCr. Weil said they measure the non-condensables on all shipments received and will advise me if they find any future cars exceeding spec by their analyses. r\ H-- e was unable to .ve tors ire VC1 requirements. Says .ey4- U Lr * do not push VC1 in aerosols, as they prefer to sell their own uorocarbcns, but use VCl-flucrocarbon blends at customers requests 1 is typically used as an aerosol blend as 22$ VC1-7S$ flucrocarbc: is type blend is used mostly as a hair spray and paint aerosol pr cpel_ant. Says some of their customers maintain that VC1 imparts 3. bad odor to aerosol propellants, though they (Kaiser) don't be lieve it and are unable to detect the odor. TO 4348 not: H r\ Sinners Holmes Major On tne next shipment to Haiser j attempt to carefu.1Trj obtain head-sp ace sample after ua,nk car has been loaded for a couple o f days. Analyze for non-condensatl.es , making sure we meet the 2.5$ spec Do not ship a car to Kaiser which has recently been ; urged with nitrogen cr air as this could lead to high inert con ant. If non-condensables are in the range of 1-2$, would it e possible to vent the car for a short period of time and re-an lyze in attempting to learn if the level can successfully be 0g ^ NOTH: H. Kune - Please advise me when next order is received from Kaiser. iUiJ /spb cc c C Major H K .e - New York C Montgomery J . T. Balhoff ucnnson