Accutac Inc. of Des Moines, Wash., has developed a composite material tack testing machine. The first production version has been shipped to Boeing's Manufacturing, Research&Development Center in Auburn, Wash. The desk-sized unit is the first instrument able to provide a standard, repeatable and quantitative tack test procedure for pre-pregs and film adhesives, according to Accutac President Robert F. McMurtrie. Accurate knowledge of tack levels is critical to ensure ...

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