GOODS & SERVICES: The Bottomless Hat


At St. Paul's Minnesota Mining & Manufacturing Co., they like to describe their business as "pulling rabbits out of a bottomless hat." To 3M the bottomless hat is its research department, and last week the company pulled out a promising new rabbit. The rabbit: "Scotchply." a tough, laminated plastic sheet, sinewed with tiny glass threads, that 3M thinks is better than steel because of its strength-weight ratio.

Unlike other reinforced plastics which must be built up layer after layer, Scotchply can be worked like wood or molded like metal; it is shatterproof, rotproof, waterproof, can be sawed, drilled, cemented...

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