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G r a p h i t e Burst Disk

High quality burst disk has been made available. Easily replace­ able, mounted i n special carbon or aluminum holder, disk has ratings from 50 to 100 p.s.i.g. Dept. IEC, Delanium Graphite Co., 134 Elmora Ave., Elizabeth, N. J. 32 Strontium Salts

Complete line of strontium salts are offered: including hydrate, per­ oxide, chloride, nitrate, oxalate, and carbonate forms. Dept. IEC, Hummel Chemical Co., 90 West St., New York 6, Ν. Υ. 33 Chemicals f o r Use in Rocket Fuels

A group of 18 chemicals, i n re­ search quantities, is offered. There are five a l k y l nitrates, five nitrides, two nitro compounds, two boron compounds, and four miscel­ laneous compounds. Dept. IEC, Hummel Chemical Co., 90 West St., New York 6, Ν. Υ. 34 Carbium—Precipitated Calcium C a r b o n a t e

New, low-cost grade of densetype precipitated calcium carbonate has been announced. Useful as filler in paint and rubber manufac­ ture. Dept. IEC, Diamond Alkali Co., 800 Union Commerce Bldg., Cleveland 14, Ohio 35 Dispersing Agent

A soy-based dispersing agent to perfect water-based paints has been announced. Product is said to minimize tendency of suspensions to separate. Dept. IEC, General Mills, 400 Second Ave., South Minneapolis 1, Minn. 36 Extruded Nylon

Compound developed for extru­ sion of large sheets. Plaskon Ex­ trusion Compound 8205 is suited for blow-molding of bottles and con-

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microcard

MICROCARD CORPORATION

West Salem, Wisconsin

FREE BROCHURE

Write today for more information: What's now available on MICROCARDS, where you can get your own material converted to MICROCARD FORM. VOL. 50, NO. 8

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AUGUST 1958

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