ELASTOSIL® N189 BLACK is a non-slump, neutral-cure silicone sealant which cures at room temperature under influence of atmospheric moisture.

It exhibits excellent primerless adhesion to many substrates and has good resistance to mineral oil and coolants

ELASTOSIL® N189 BLACK moreover shows excellent heat stability




  • non-corrosive
  • coolant and oil resistant
  • excellent heat resistance up to 200°C, peak temperatures up to 220°C
  • electrically ablative

Spezifische Merkmale von ELASTOSIL® N189 BLACK

  • einkomponentig
  • hitzebeständig
  • kühlmittelbeständig
  • standfest
  • ölbeständig

ELASTOSIL® N189 BLACK shows good primerless adhesion to many substrates. We recommend to run preliminary tests to optimize conditions for the particular application.

Detailed processing instructions are given in our brochure “ROOM TEMPERATURE VULCANIZING (RTV) SILICONES - MATERIAL AND PROCESSING GUIDELINES


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.

Vertrieb & Support

Wacker Chemie AG
Heilbronner Strasse 74
70191 Stuttgart
+49  711  61942-0 (Phone)
+49 711 61942-61  (Fax)

Wie können wir Ihnen helfen?

  • Benötigen Sie Unterstützung bei der Produktauswahl oder wünschen Sie eine technische Beratung? Kontaktieren Sie unsere Experten.
Frage stellen


Meine Medien

Meine Favoriten

Meine Produkte