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TPU 2053, TPU 2054, TPU 2055, TPU 2056, TPU 2057 & TPU 2058. Five layered, membrane systems manufactured by calendaring. The membrane is suitable for use with water up to 23°C and consists of: 1.) a transparent polyurethane inner layer (in contact with the water), 2.) a tie layer, 3.) a reinforcing layer (PES or PA), 4.) a tie layer & 5.) a blue or beige coloured polyurethane outer layer (not in contact with the water)
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