Technical datasheet

AEROSIL® RX 200

Supplied byEvonik- Last Updated on Oct 30, 2025

AEROSIL® RX 200 by Evonik is an effecient rheology control agent in complex liquid system. It is a hydrophobic fumed silica aftertreated with organosilane (HMDS) with a medium specific surface area. It has negative electrostatic charge and provides high dispersity and high charge stability.
  • It is used as highly efficient free flow aid and is applied to reduced moisture pick up behavior for dry powder.
  • It is recommended for adhesive and sealant applications.
  • It is EINECS, TSCA, DSL, AICS, ENCS, KECI, PICCS, CSNN, NZIoC and IECSC registered.
  • AEROSIL® RX 200 has a shelf life of 2 years.
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For which system

Sealants|
Adhesives

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AEROSIL® RX 200 properties

Other properties

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