Technical datasheet

AEROSIL® RY 300

Supplied byEvonik- Last Updated on Feb 4, 2025

AEROSIL® RY 300 by Evonik is hydrophobic fumed silica after treated with polydimethylsiloxane. Exhibits excellent thickening properties and negative electrostatic charge.
  • It is used as highly efficient free flow aid.
  • It has very high PDMS content and reduced moisture pick up.
  • Offers effective rheology control in complex liquid system.
  • Recommended for adhesive and sealant applications.
  • AEROSIL® RY 300 has a shelf life of 2 years.
  • It is REACH (Europe), TSCA (USA), ENCS (Japan) and AICS (Australia) registered.
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Benefits

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Compliance

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Applications

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For which system

Sealants|
Adhesives

Availability

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AEROSIL® RY 300 properties

Other properties

PropertiesValue & unitTest conditionTest method
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