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AEROSIL® fumed silica product recommendations for cable gels

Product recommendation of different AEROSIL® fumed silica types by base oil and required properties.
 
Viscosity
Oil Separation
Cone Penetration
Base Oil
Hydrophobicity
Good
Best
Good
Best
Good
Best
Polybutene
Hydrophilic
AEROSIL® 200
AEROSIL® 300
AEROSIL® 200
AEROSIL® 300
AEROSIL® 200
AEROSIL® 300
Hydrophobic
AEROSIL® R 974
AEROSIL® R 202 (R 208)
+++
AEROSIL® R 974
+
AEROSIL® R 202 (R 208) 
+++
AEROSIL® R 974
+++
AEROSIL® R 202 (R 208)
+++
Polypropylene
Glycol
Hydrophilic
Hydrophilic types does not show any thickening effect
Hydrophobic
AEROSIL® R 106
++
AEROSIL® R 202 (R 208)
+++
AEROSIL® R 106
++
AEROSIL® R 202 (R 208)
+++
AEROSIL® R 106
++
AEROSIL® R 202 (R 208)
+++
Polyalpha-olefin
(PAO)
Hydrophilic
AEROSIL® 
200
AEROSIL® 
150
Good with all types
Good with all types
Good with all types
Good with all types
Hydrophobic
AEROSIL® 
R 106
++
AEROSIL® 
R 974
+
AEROSIL® 
R 106
++
AEROSIL® 
R 974
+
AEROSIL® 
R 106
++
AEROSIL® 
R 974
+
Mineral Oil
Hydrophilic
AEROSIL® 
200
AEROSIL® 
300
Good with all types
Good with all types
Good with all types
Good with all types
Hydrophobic
AEROSIL® 
R 106
++
AEROSIL® 
R 974
+
AEROSIL® 
R 202
+++
AEROSIL® 
R 974
+
AEROSIL® 
R 202
+++
AEROSIL® 
R 974
+
Silicone Oil
Hydrophilic
AEROSIL® 
200 HV
AEROSIL® 
300
Good with all types
Good with all types
Good with all types
Good with all types
Hydrophobic
AEROSIL® 
R 974
+
AEROSIL® 
R 106
++
AEROSIL® 
R 974
+
AEROSIL® 
R 106
++
AEROSIL® 
R 974
+
AEROSIL® 
R 106
++
+ = Low Hydrophobicity ++ = Medium Hydrophobicity +++ = High Hydrophobicity
Premium product recommendations:
  • AEROSIL® R 816: Provides overall the best effects in most base oil systems and gives outstanding stability.
  • AEROSIL® R 805: Provides excellent performance in oil separation and cone penetration due to high hydrophobicity as well as giving outstanding stability.
Evonik supports you in selecting the best suited AEROSIL® product and optimizing current formulations through our Application Technology Group.
Sample order: Please place here your sample request.