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Pulp- and paper testing Testing equipment

Published byJana Howerton Modified over 9 years ago

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Presentation on theme: "Pulp- and paper testing Testing equipment"— Presentation transcript:

1 Pulp- and paper testing Testing equipment
Canadian Standard Freeness tester (CSF) Centrifuge (WRW) Conductivity tester Drying chamber Kajaani fibre length tester PH – tester Pulp disintegrator Rapid dryer Sheet former (SCA) Sheet press Shopper – Riegler tester (SR) Paper Air permeance tester Bending tester Bursting strength tester Cobb sizing tester Compression strength tester Crush tester Elrepho spectrophotometer Formation tester (Ambertec) Free shrinkage tester Gloss tester Micrometer Roughness tester (Bendsen, PPS) Sample punch Scott – Bond tester Tearing tester Tensile tester TSO – tester

2 Pulp- and paper testing Test methods and standards, pulp testing
Unit Standard Ash content % According to Stora Enso Research Britt Jar TAPPI T 261 Concentration EN ISO 4119, (100 ml sample) CSF ml EN ISO , TAPPI 227 Dryness EN 20638 Fibre length mm ISO , TAPPI T 271 Filler content PH pH SR EN ISO WRV g/g SCAN C 62, TAPPI UM 256

3 Pulp- and paper testing Test methods and standards, paper testing I
Unit Standard Surface properties Air permeance (Bendtsen) ml/min SCAN P 60:87 Air permeance (Gurley) s ISO , TAPPI T 460 Beta formation g/m² Ambertec Beta formation normalized SQR(g/m²) Brightness % ISO 2470:1999, TAPPI T 525 Calliper µm EN 20534, TAPPI T 411 Density kg/m3 Grammage g/m²/ Thickness mm Free shrinkage Internal standard Gloss 75° EN ISO , TAPPI T 480 Grammage EN ISO 536:1996, TAPPI T 410 Opacity ISO 2471, TAPPI T 527 Roughness (Bendtsen) SCAN P 21:67, TAPPI UM 535 Roughness (PPS) ISO , TAPPI T 555

4 Pulp- and paper testing Test methods and standards, paper testing II
Unit Standard Strength properties Bending resistance mN SCAN P 29:95, TAPPI T 566, ISO 2493 Bursting strength kPa EN ISO 2759, TAPPI T 807 Cobb test g/m² EN 20535, TAPPI T 441 Compression Strength (SCT) Nm/g ISO 9895, TAPPI T 826 Crush strength (CCT) N SCAN P 42:81, TAPPI T 824 Crush strength (CMT) EN ISO 7263, TAPPI T 809 Crush strength (RCT) ISO 12192, TAPPI T 818 Elongation % EN ISO , SCAN P 67:93, TAPPI T 494 Scott-Bond J/m² TAPPI T 569 TEA J/m2 Tear strength EN 21974, TAPPI T 414 Tensile strength N/m Tensile stiffness SCAN P 67:93, TAPPI T 494 Tensile stiffness ultrasonic (TSO) °, MD/CD Standard under development Wax pick test Surface strength No. A TAPPI T 459 Wet tensile strength SCAN P 20:95

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