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Today's leading-edge fastening and joining techniques improve performance, but don't forget ease-of-use

Randy Frank, Contributing Editor -- Design News, August 8, 2008

Sure there are several new products that in addition to improved performance, reduce waste, reduce cost and/or specifically meet regulations. But looking closely at many of the newest adhesives and joining products reveals an easy-does-it side.

One example is Master Bond's EP30FL epoxy potting and encapsulation compound. While boasting excellent adhesion to both similar and dissimilar substrates, the material's low viscosity makes it easy to apply.

Scotch-Weld Polyurethane Reactive (PUR) Easy 250 Adhesive System from 3M has easy in its name for several reasons. With a dispensing temperature of 250F, the handheld, self-contained system applies with a squeeze of a trigger and the high temperature allows a longer open time for production flexibility. A disposable nozzle, no-tip cap, no grease and no system purging makes the electrically heated, pneumatic applicator easy to use and maintain.

To make threadlocking easier, ITW Devcon Permatex Gel Threadlockers flow easily into threads, blind holes and cure in the absence of air when installed between close-fitting metal surfaces. The material cures at room temperature without cracking or shrinking. The newest GEL SQUEEZE Threadlockers consist of a single-component, anaerobic threadlocker gel in a convenient no-mess, no-waste, 5-gm GEL SQUEEZE applicator to provide pinpoint flow control.

Even if the product does not specifically say “easy to use” or “convenient,” the number of applications implies an easy benefit for users. Look for the easy aspect in the Adhesives and Tapes and Access Hardware sections of this supplement.

For 3M, the name reveals the intent of its Scotch-Weld PUR Easy 250 Adhesive System.

Very low viscosity and easy to apply characterize Master Bond’s EP30FL epoxy potting and encapsulation compound.

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