SETRALIT® NFU/31-2

is a natural fiber pulp based on hemp which was originally designed to serve as a process and reinforcement fibre in friction linings, repalcing asbestos, aramid, and other fibrous materials. Setralit® NfU/31-2 can also be used as a reinforcing element in composite materials such as cement (concrete) or poymers (fiber reinforced plastics).

 

 

Mean Value

Range

Density (g/cm³)

1,35

1,25-1,45

Average fibre length (mm)

0,85

0,70-1,00

Canadian Standard Freeness (ml)

630

580-680

Specific surface BET (m²/g)*

7,0

6,6-7,4

Bulk volume (ml/100g)

3.250

2.500-4.000

Stamping volume (ml/100g)

1.200

800-1.600

Moisture content (%)

4,0

2,8-5,8

Ash content (%)**

1,3

0,8-1,8

Amount of fibrils (%)***

25

10-50

* Neuberechnung durch Messungen der Gasdurchlässigkeit (Blaine-Methode)

** Bestimmt durch thermische, gravimetrische Analysen (Luft, 700 °C, 20 °C pro Minute)

*** „Fibrillen“ sind Faser-Strukturen mit einem Durchmesser von weniger als 1/3 der Ausgangsfaser

 

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