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Table 4 Folding endurance of the Holmen paper treated by the nitrogen jet and the CO2 snow jet

From: Carbon dioxide snow cleaning of paper

  No treatment N2 jet CO2 snow jet
Machine direction 54.9 (±  14.0) 54.8 (±  13.5) 45.7 (±  9.7)
Cross direction 4.2 (±  0.4) 3.3 (±  0.7) 3.4 (±  0.8)