AEROSIL® R 974 W Coating

AEROSIL® R 974 W Coating is a hydrophobic fumed silica after-treated with DDS (Dimethyldichlorosilane) based on a hydrophilic fumed silica with a specific surface area of 200 m²/g. The product thickening efficiency of AEROSIL® R 974 W Coating ex RHE is consistent with the Waterford-produced AEROSIL® R 974. This profile is different than the thickening profile of standard RHE quality.

Principal: Evonik Corporation Coating Additives

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

Chemical Family: Organosilicon

End Uses: RTV Silicone Sealant, Silicone Sealant, Toner, Varnishes

Compatible Polymers & Resins: Silicone Elastomer

Labeling Claims: Conflict Minerals-free, Odor-free

Features: Corrosion Resistance, Excellent Pigment Stability, Hydrophobic, Improved Rheology, Improves Flow, Provides Anticaking, Water Resistance

Enhanced TDS

Identification & Functionality

Blend
No
CASE Ingredients Functions
Chemical Family
Chemical Name
Cosmetic Ingredients Functions
Country of Origin
Function
Anti-Settling Agent, Reinforcement Agent, Thickener, Rheology Modifier
Plastics & Elastomers Functions
Product Code
MITM16375
Single Ingredient
Yes
Technologies
Product Families

Features & Benefits

CASE Ingredients Features
Labeling Claims
Materials Features
Product Benefits
  • Hydrophobic component for thickening and reinforcement of RTV-1 pack silicone sealants
  • Improves shelf-life of silicone sealants
  • Water resistant, for thickening and 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
  • Improvement and maintenance of free flow and anti-cakIng characteristics of powders

Applications & Uses

Adhesive & Sealant End Applications
Coating End Applications
Compatible Polymers & Resins
Ink & Toner End Applications
Markets
Applications
Product Applications
  • Silicone rubber and sealants
  • Paints and coating
  • Negative toner
  • Adhesives
  • Plant care
  • Coating
  • Polymers
  • Cosmetics

Properties

Physical Form

Principal Information

Group Principal Number
S000006
Principal

Storage & Handling

Storage Conditions
  • Our silica products are inert and chemically extremely stable.
  • However, due to their high specific surface area, they can adsorb moisture and volatile organic compounds from the surrounding atmosphere.
  • Products have to be stored in their original packaging (e.g. fully shrink-wrapped) or in sealed containers in a dry place away (or apart) from volatile organic substances.
  • Even if a product is stored in these conditions, it can still pick up ambient moisture after a long time, which can cause it to exceed the stated ex works moisture content.
  • For this reason, our recommended use-by date is 24 months after date of manufacture.
  • Product more than 24 months old should be tested for moisture content before use in order to make certain that it is still suitable for the intended application.

Other

Color (SDS)
White
Item Number
Odor (SDS)
Odorless
Temperature Control
No
USA/DOT UN Number
Not Applicable
Chemical Properties
ValueUnitsTest Method / Conditions
Loss on Ignitionmax. 2.0-
pH3.7-4.7-in 4% dispersion
Material Composition
ValueUnitsTest Method / Conditions
Carbon Content0.7-1.3-
Silicon Content99.8-100.0-as silicon dioxide
Physical Properties
ValueUnitsTest Method / Conditions
Apparent Tamped Density50.0 g/Lg/L
Moisture Contentmax. 0.5-
Specific Surface Area150.0-190.0 m²/gm²/gBrunauer-Emmett-Teller (BET)
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Autoignition Temperature (SDS)600.0 °C°CVDI 2263
Bulk Density (SDS)2.0 g/cm³g/cm³at 20°C
Decomposition Temperature (SDS)300.0 °C°C
Density (SDS)2.0 g/cm³g/cm³
Solubility In Water (SDS)min. 1.0 mg/Lmg/L
pH (SDS)3.7-4.7-at 20°C, 40 g/l, 1:1 in suspension
Shelf Life & Stability
ValueUnitsTest Method / Conditions
Shelf Life24.0-