Permeability cups Permeability cups for determining the water-vapor transmission of paints, varnishes, coatings, coating systems, and related products. The Permeability cup consists of a cup, seal ring, and cover ring. The seal ring is designed to prevent turning when... MSRP: Was: Now: $209.00 Choose Options Compare TQC/Sheen Permeability cups MSRP: Was: Now: $209.00 Choose Options Compare Compare Selected
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