Color, color comparison and color fastness of geomembranes

July 1st, 2024

FIGURE 1 As received and weathered GM specimens The Geosynthetic Institute is developing a new geomembrane specification for colored polyethylene geomembranes. It is called GRI Standard GM-39 “Standard Test Method for Determining the Color, Color Comparison and Colorfastness of Geomembranes.” This method is needed to access color difference as a Manufacturing Quality Control (MQC) tool […]

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