Bột giấy CANFOR CANADA

Đại lý Bột giấy hãng CANFOR PULP CANADA

Canfor Full Bleached Northern Softwood Kraft Pulp

ECF 90 Typical Properties

Canfor operates the Prince George, Intercontinental, and Northwood Pulp Mills in Prince George. Each mill produces ECF 90 which is a mixture of softwood species indigenous to the north central interior of British Columbia. The highly versatile fibre properties of our ECF 90 make it suitable for use in the manufacturing of a wide variety of products, especially those requiring the highest tensile strength.

Inherent Pulp Properties                                                   Typical Species Analysis

Brightness(% ISO) 89 (delivered)                                           Lodgepole Pine        50

Dirt Levels (mm2/kg/ppm) typically less than 2 mm2/kg or 1 ppm           White Spruce         40

0.5% CED Viscosity (mPa.s) 23.0                                           Sub-alpine Fir          6 

Other 4

Fibre Properties (Kajaani FS 200)                                     Bale characteristics

Weight Weighted Length (mm)                2.8                           Northwood            Intercon                 PGP&P

Coarseness (mg/m)                                0.191                       Length (cm)             83            85                            83

Width (cm)               83            79                            84

Height (cm)              41            40                            34

Weight (kg)              247.5       230                          230

Typical Response to Refining on a 12 Inch Sprout Bauer Disc Refiner

Specific Freeness

Energy   CSF         ^oSR          Breaking length      Tear index      Burst index      Density

(kW*hr/tonne)          (mls)        (^o)                     (km)                         (mN.m2/g)     (kPa.m2/g)        (g/cm3)

0              681          17.5                   3.9                                 26.9                         2.5                  0.56

40            600          21.0                   6.6                                 20.3                         4.8                  0.60

91            500          25.0                   8.6                                 15.4                         6.5                  0.64

181          300          40.0                10.4                  12.1                         7.9                  0.69

………………………………

Interpolations

@4 km                   @5 km                   @7 km                   @9 km                   @10 km  Tear Index (mN.m2/g)

27                            24.5                         19.3                         15                            12.9

Typical Response to refining on a PFI Mill

    Freeness

CSF oSR Breaking length Tear index Burst index Bulk

(mls)        (o)           (km)         (mN.m2/g)                (kPa.m2/g)               (cm3/g)

701          17.5         4.6          26.3                         3.2                           1.66

600          21.0         10.1         11.7                         8.1                           1.43

500          25.0         11.2         10.1                         9.0                           1.39

300          40.0         12.0         9.4                           9.6                           1.34

The pulp and fibre properties listed here are based on long term averages. Results on individual samples may vary from the values listed above.

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