Kraftliner
Kraftliner by APPM — a two-layer liner of unbleached sulfate softwood pulp and semi-chemical hardwood pulp — is designed for manufacturing flat layers of corrugated board. APPM kraftliner comes in the density range of from 110 to 225 g/m2.

   Substance 1 m2, g 110 (±3,3)
   Absolute burst strength (ABS), kPa, nominal/minimum 500/450
   Surface water absorption of the top side, Cobb 60, g/m2, not more than 40
   RCT (CD) at strip width 12,7 mm, N (kN/m), nominal/minimum  140/110
   Air resistance, (Gurley method), s  30
   SCT CD, kN/m, nominal/minimum   2,1/1,6
   Moisture, % 6–9

   Substance 1 m², g 115 (±3,4)
   Absolute burst strength (ABS), kPa, nominal/minimum 580/480
   Surface water absorption of the top side, Cobb 60, g/m2, not more than 40
   RCT (CD) at strip width 12,7 mm, N (kN/m), nominal/minimum  160/130
   Air resistance, (Gurley method), s 30
   SCT CD, kN/m, nominal/minimum   2,3/1,8
   Moisture, % 6–9

   Substance 1 m², g 120 (±3,6)
   Absolute burst strength (ABS), kPa, nominal/minimum  600/520
   Surface water absorption of the top side, Cobb 60, g/m2, not more than 40
   RCT (CD) at strip width 12,7 mm, N (kN/m), nominal/minimum   190/160
   Air resistance, (Gurley method), s 30
   SCT CD, kN/m, nominal/minimum   2,4/1,9
   Moisture, % 6–9

   Substance 1 m², g 125 (±3,7)
   Absolute burst strength (ABS), kPa, nominal/minimum  640/540
   Surface water absorption of the top side, Cobb 60, g/m2, not more than 40
   RCT (CD) at strip width 12,7 mm, N (kN/m), nominal/minimum   190/160
   Air resistance, (Gurley method), s 30
   SCT CD, kN/m, nominal/minimum 2,5/2,0
   Moisture, % 6–9

   Substance 1 m², g  135 (±4,1)
   Absolute burst strength (ABS), kPa, nominal/minimum  680/580
   Surface water absorption of the top side, Cobb 60, g/m2, not more than 40
   RCT (CD) at strip width 12,7 mm, N (kN/m), nominal/minimum 230/190
   Air resistance, (Gurley method), s  30
   SCT CD, kN/m, nominal/minimum  2,8/2,2
   Moisture, %  6–9

   Substance 1 m², g   140 (±4,2)
   Absolute burst strength (ABS), kPa, nominal/minimum   700/600
   Surface water absorption of the top side, Cobb 60, g/m2, not more than 40
   RCT (CD) at strip width 12,7 mm, N (kN/m), nominal/minimum  240/200
   Air resistance, (Gurley method), s   30
   SCT CD, kN/m, nominal/minimum  2,9/2,2
   Moisture, %   6–9

   Substance 1 m², g   150 (±4,5)
   Absolute burst strength (ABS), kPa, nominal/minimum   740/640
   Surface water absorption of the top side, Cobb 60, g/m2, not more than  40
   RCT (CD) at strip width 12,7 mm, N (kN/m), nominal/minimum  270/230
   Air resistance, (Gurley method), s   40
   SCT CD, kN/m, nominal/minimum  3,1/2,5
   Moisture, %    6–9

   Substance 1 m², g   170 (±5,1)
   Absolute burst strength (ABS), kPa, nominal/minimum   820/720
   Surface water absorption of the top side, Cobb 60, g/m2, not more than  40
   RCT (CD) at strip width 12,7 mm, N (kN/m), nominal/minimum  320/270
   Air resistance, (Gurley method), s    40
   SCT CD, kN/m, nominal/minimum  3,6/2,8
   Moisture, %     6–9

   Substance 1 m², g    175 (±5,4)
   Absolute burst strength (ABS), kPa, nominal/minimum   820/720
   Surface water absorption of the top side, Cobb 60, g/m2, not more than  40
   RCT (CD) at strip width 12,7 mm, N (kN/m), nominal/minimum  340/270
   Air resistance, (Gurley method), s     40
   SCT CD, kN/m, nominal/minimum   3,7/2,8
   Moisture, %      6–9

   Substance 1 m², g     186 (±5,6)
   Absolute burst strength (ABS), kPa, nominal/minimum   850/750
   Surface water absorption of the top side, Cobb 60, g/m2, not more than   40
   RCT (CD) at strip width 12,7 mm, N (kN/m), nominal/minimum  390/330
   Air resistance, (Gurley method), s      50
   SCT CD, kN/m, nominal/minimum   4,0/3,4
   Moisture, %  6–9

   Substance 1 m², g      200 (±6,0)
   Absolute burst strength (ABS), kPa, nominal/minimum  920/820
   Surface water absorption of the top side, Cobb 60, g/m2, not more than   40
   RCT (CD) at strip width 12,7 mm, N (kN/m), nominal/minimum   410/350
   Air resistance, (Gurley method), s       50
   SCT CD, kN/m, nominal/minimum   4,1/3,5
   Moisture, %   6–9

   Substance 1 m², g    225 (±6,8)
   Absolute burst strength (ABS), kPa, nominal/minimum   950/850
   Surface water absorption of the top side, Cobb 60, g/m2, not more than    40
   RCT (CD) at strip width 12,7 mm, N (kN/m), nominal/minimum 440/370
   Air resistance, (Gurley method), s   50
   SCT CD, kN/m, nominal/minimum    4,5/4,0
   Moisture, %    6–9