AEROSIL® R 976 S

AEROSIL® R 976 S is a hydrophobic fumed silica aftertreated with DDS (Dimethyldichlorosilane).

Principal: Evonik Corporation Silicas

Functions: Anti-Settling Agent, Reinforcement, Reinforcement Agent, Rheology Modifier, Rheology Modifier, Thickener, Thickener, Thickener, Thickener

Chemical Family: Organosilicon

Compatible Polymers & Resins: Silicone Elastomer, Silicones

End Uses: Cable Compounds, Cable Gel, Cable Gels, Offset Ink, Printing Ink, Silicone Sealant, Toner, Varnishes

Features: Anti-caking, Corrosion Resistance, Excellent Pigment Stability, Free-flowing, Hydrophobic, Improved Rheology, Improves Flow, Long Shelf Life, Provides Anticaking, Water Resistance

Labeling Claims: Not Listed In California Proposition 65, Odor-free

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Enhanced TDS

Identification & Functionality

Features & Benefits

Agrochemicals Features
CASE Ingredients Features
Labeling Claims
Materials Features
Key Properties
  • Hydrophobic component for thickening and reinforcement of silicone rubber
  • Improves shelf-life of silicone sealants
  • Water resistant, hydrophobising of liquid systems
  • Rheology control of (complex) liquid systems
  • For use in coatings as anti-settling agent, for pigment stabilization and improvement of corrosion protection
  • Improves hydrophobicity and rheology of offset printing inks
  • Improvement and maintenance of free flow and anti-caking characteristics of powders

Applications & Uses

Properties

Physical Form

Regulatory & Compliance

Packaging & Availability

Packaging Type
Packaging Information

AEROSIL® R 976 S is supplied in multiple layer 10 kg bags.

Storage & Handling

Storage Conditions

AEROSIL® R 976 S is the product in closed containers under dry conditions and to protect the material from volatile substances. AEROSIL® R 976 S should be used within 2 years after production.

Other

Assay
min. 99.8 %
Carbon Content
2.0-2.6 %
Color (SDS)
White
Decomposition Temperature (SDS)
min. 300.0 °C
Density (SDS)
2.0 g/cm³
Ignition Temperature (SDS)
min. 600.0 °C
Ignition Temperature (SDS)
min. 600.0 °C
Insoluble in (SDS)
Water
Item Number
Moisture Content
max. 0.5 %
Odor (SDS)
Odorless
Other Hazards
None.
Principal
Shelf Life
2.0 yr
Specific Surface Area
215.0-265.0 m²/g
Tapped Bulk Density
50.0 g/L
pH
4.0-5.5
pH (SDS)
4.0-5.5
Chemical Properties
ValueUnitsTest Method / Conditions
Assaymin. 99.8 %%Ignited basis, silicon dioxide
pH4.0-5.5-in 4% dispersion
Shelf Life & Stability
ValueUnitsTest Method / Conditions
Shelf Life2.0 yryr
Physical Properties
ValueUnitsTest Method / Conditions
Moisture Contentmax. 0.5 %%at 105°C, 2 hours
Specific Surface Area215.0-265.0 m²/gm²/gBrunauer-Emmett-Teller (BET)
Tapped Bulk Density50.0 g/Lg/L
Material Composition
ValueUnitsTest Method / Conditions
Carbon Content2.0-2.6 %%
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Decomposition Temperature (SDS)min. 300.0 °C°C
Density (SDS)2.0 g/cm³g/cm³at 20°C
Ignition Temperature (SDS)min. 600.0 °C°C
Ignition Temperature (SDS)min. 600.0 °C°CVDI 2263-1
pH (SDS)4.0-5.5-at 20°C, 40 g/l, 1:1 in suspension