Rubber / Rubber Compounding / Wollastonite

Wollastonite

Mineral: Wollastonite

 

Wollastonite (calcium silicate, chemical formula CaSiO3) exists in an acicular and non-acicular form.

 

Wollastonite can be characterised by:

  • Shape (non-acicular/ acicular)
  • Medium Mohs hardness of 5
  • Alkaline nature

 

Basic properties

Property Casiflux F/ FG Casiflux G Unit
Shape fibrous blocky
Moisture < 0.2 < 0.2 [%]
pH 10 10 [-]
Hardness (Mohs) 5 5 [-]
Refractive index 1.63 1.63 [-]
L.O.I. 3.5 3.5 [%]
Density 2.9 2.9 [kg/ dm3]

 

Products:

Product Grade D50

[µm]

OA

[g/ 100 g]

L*
Casiflux FG20 18 54 94
F75 28 59 90
G20 10.5 30 96
G38 18 28 96

 

Production location: Geertruidenberg (NL)

Application:Due to its structure, the use of Wollastonite will improve the mechanical properties of the rubber compound.

Functionalities: Performance

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