AEROSIL® R 972 Silica

AEROSIL® R 972 is a fumed silica aftertreated with DDS (Dimethyldichlorosilane)

Principal: Evonik Corporation Silicas

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

Chemical Family: Organosilicon

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

Compatible Polymers & Resins: Silicone Elastomer

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

Certifications & Compliance: Clean Air Act (CAA) Certified, Clean Water Act (CWA) Certified, Comprehensive Environmental Response, Compensations & Liability Act (CERCLA), REACH Exempt (Europe)

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Enhanced TDS

Identification & Functionality

Features & Benefits

Applications & Uses

Properties

Physical Form
Product Properties
  • Hydrophobic component for thickening and reinforcement of RTV-1 K silicone sealants
  • 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 stablilization 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

Regulatory & Compliance

Packaging & Availability

Packaging Type
Product Packaging

AEROSIL® R 972 is supplied in multiple layer 10kg bags.

Storage & Handling

Storage and Shelf Life Information

Recommended to store the product in closed containers under dry conditions and to protect the material from volatile substances. AEROSIL® R 972 should be used within 2 years after production.

Other

Apparent Tamped Density
50.0 g/L
Carbon Content
0.6-1.2 %
Color (SDS)
White
Decomposition Temperature (SDS)
min. 572.0 °F
Density (SDS)
2.2 g/cm³
Explosive Nature (SDS)
Not dust explosive
Ignition Temperature (SDS)
min. 1112.0 °F
Item Number
Minimum Ignition Energy (SDS)
min. 10.0 kJ
Moisture Content
max. 0.5 %
Odor (SDS)
Odorless
Principal
Shelf Life
2.0 yr
Silicon Content
max. 99.8 %
Solubility In Water (SDS)
min. 1.0 mg/L
Specific Surface Area
90.0-130.0 m²/g
pH
3.6-5.5
pH (SDS)
3.6-5.5
Chemical Properties
ValueUnitsTest Method / Conditions
pH3.6-5.5-in 4% dispersion
Shelf Life & Stability
ValueUnitsTest Method / Conditions
Shelf Life2.0 yryr
Physical Properties
ValueUnitsTest Method / Conditions
Apparent Tamped Density50.0 g/Lg/L
Moisture Contentmax. 0.5 %%at 105°C, 2h
Specific Surface Area90.0-130.0 m²/gm²/gBrunauer-Emmett-Teller (BET)
Material Composition
ValueUnitsTest Method / Conditions
Carbon Content0.6-1.2 %%
Silicon Contentmax. 99.8 %%based on ignited material, as silicon dioxide
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Decomposition Temperature (SDS)min. 572.0 °F°F
Density (SDS)2.2 g/cm³g/cm³at 20°C
Ignition Temperature (SDS)min. 1112.0 °F°FVDI 2263
Minimum Ignition Energy (SDS)min. 10.0 kJkJ
Solubility In Water (SDS)min. 1.0 mg/Lmg/L
pH (SDS)3.6-5.5-at 20°C, 40 g/l, 1:1 in suspension