Plastic Film / Film Packaging / Nepheline Syenite

Nepheline Syenite

Mineral: Nepheline Syenite 


Nepheline syenite can be characterised by:

  • High purity
  • Absence of free crystalline silica (free of labelling)
  • Brightness
  • Relatively low refractive index, making it a transparent filler in various binders
  • High inertness in various media
  • Easy wetting
  • Transparency for UV-radiation (i.e. suitable for UV-curing processes)


Basic properties

Property Value Unit
Hardness (Mohs) 6 [-]
Refractive index 1.51 – 1.53 [-]
Density 2.6 [kg/ dm3]


Product Grade D50


MinBloc HC 500 4.3
1400 7.6
2000 8.2

Production locations: Havelock, (CA)

Application:Minbloc HC products will provide good blocking performance and very good optical properties to the film.  

Functionalities: Processing, Performance, Optical

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