FOR SALE Commercial-grade zirconium is now for sale in tonnage quantities — from Columbia-National in sponge form or as rod, sheet and tubing from the country's leading mills. You can put commercial-grade zirconium to work: • To combat severe corrosion in the process industries. • For prototype or experimental work in the nuclear energy field. To help you investigate and use zirconium, Columbia-National offers experienced technical assistance on melting, fabricating and alloying. New Technical Digest now ready! Write for data on properties and applications of commercial-grade zirconium.
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NEW METALS FOR INDUSTRY
Columbia-National
Corporation
Jointly owned by Columbia-Southern Chemical Corporation and National Research Corporation Dept. C 4 - E - M e m o r i a l
Drive, Cambridge, Mass.
See us at the Chemical Show, Dec. 2 - e , Booth No. I 0 4 4 VOL. 49, NO. 12 ·
DECEMBER 1957
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