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ATH

Mineral: ATH

ATH (aluminium tri hydrate, chemical formula Al(OH)3is an intermediate product of aluminium production, characterised by:

  • High purity
  • High whiteness
  • Relatively low density of 2.4g/cm3 compared to other mineral fillers, which are typically at 2.7g/cm3
  • Medium Mohs hardness of 3
  • Decomposition around 200°C, releasing water

 

Basic properties

Property Value Unit
Moisture < 0.4 [%]
pH 9 [-]
Hardness (Mohs) 3 [-]
Refractive index 1.57 [-]
Electrical conductivity 60 [µS/cm]
L.O.I. 34.5 [%]
Density 2.4 [kg/ dm3]

 

Application specific products:

Product Grade D50

[µm]

Portaflame SG 50 16
63 23
200 90
55 LV 15
100 LV 33

 

Production location (s): Maastricht (NL), Poviglio (IT), Balaruc (FR), Brassington (UK), Ramensky (RU)

Application: used in cable compounds to make these more flame retardant

Functionality

Safety

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