E & E / Cable Jacket HFFR / Kaolin


Mineral: Kaolin 


In APAC and the US, Kaolin from Sibelco is used for HFFR Cable jacketing compound.

Kaolin is a layered silicate clay mineral, part of the group of minerals with the chemical composition Al2Si2O5(OH)4


Kaolin can be characterised by:

  • Relatively low Mohs hardness of 2
  • Low electrical conductivity
  • Easy to wet
  • High inertness in various media
  • Its layered structure


Basic properties

Property Value Unit
Hardness (Mohs) 1.0 – 2.0 [-]
Refractive index 1.56 [-]
Density 2.16 -2.68 [kg/ dm3]



Product Grade D50


Snobrite 60 1.2
68 0.9
75 0.5


Production Location: McIntyre, Georgia

Application: Snobrite products have a positive effect on moisture resistance of the compound and can also affect the rheology and the mechanical properties of the cable bedding compounds



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