Users of fiber-reinforced plastic (FRP) in the chemical process industries (CPI) have long recognized the limitations of the test protocol currently used to determine material compatibility, ASTM C581, Standard Practice for Determining Chemical Resistance of Thermosetting Resins Used in Glass-Fiber-Reinforced Structures Intended for Liquid Service. The test requires a long time to complete (6–18 mo), and the data it generates cannot be used to determine the type of degradation or the life of equipment made of the material. The Materials Technology Institute (MTI) has collaborated with Swerea KIMAB (formerly the Swedish Corrosion Institute, Stockholm, Sweden) to develop a new FRP testing procedure that does not have these shortcomings.
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