• excellent mechanical properties
  • low hardness
  • meets the requirements of EN 45545-2:2020 for Hazard Level HL1 (requirement set R22), and for Hazard Level HL1 and HL2 (requirement set R23 and R24), respectively.

Specific features of ELASTOSIL® RT 622 A/B

  • Addition Curing
  • Flowable
  • Two-component

Important note: The platinum catalyst is in component B.

Important: A and B components may only be used together if they have the same batch number.

We recommend running preliminary tests to optimize conditions for the particular application.

Comprehensive instructions are given in our leaflet "ELASTOSIL® - PROCESSING RTV-2 SILICONE RUBBERS".

- all-round potting compound

- technical mouldings

- encapsulation of electronic components

- slot exit potting for electrical coils


The 'Best use before end' date of each batch is shown on the product label. Storage beyond the date specified on the label does not necessarily mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons.

Sales and support

Wacker Chemical Corporation
3301 Sutton Road
Adrian, MI 49221-9397
United States
+1  888  922-5374 (Phone)

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