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ELASTOSIL® N9189
ELASTOSIL® N9189 is a non-slump, one-part silicone rubber for sealing and bonding applications. When exposed to air moisture it cures at room temperature to yield a permanently flexible silicone rubber with good heat resistance and slight electrical conductivity.
Fully vulcanized ELASTOSIL® N9189 shows long-term stability against weathering, moisture and UV radiation. The silicone elastomer may continously be exposed to constantly changing climatic conditions, sunlight and temperature as high as 200 °C (392 °F) without damage.
Eigenschaften
Uncured:
- Non-slumping, but strongly shear-thinning
- Soft-pasty consistency
Cured:
- Medium hardness Shore A
- No inhibition effect on platinum-catalyzed silicones
- Designed for electrically conductive bonding
- Excellent adhesion to many substrates
- Recommended service temperature from -45 °C to +200 °C
Spezifische Merkmale von ELASTOSIL® N9189
- Alkoxyvernetzend
- elektrisch leitfähig
- hitzebeständig
- Scherverdünnend
- selbsthaftend
- standfest
- zinnfreie Katalyse
Datenblätter
- Electrically conductive glue for industrial applications
- Typical fields of application: electrical industry, appliances, automotive, electronics, railway.
ELASTOSIL® N 9189 is a is a ready-to-use, one-part silicone rubber which starts curing when exposed to air moisture. Typical curing characteristics are given in the table "Properties Uncured".
As RTV-1 silicones require humidity for curing, free access of air moisture to the silicone rubber is essential. Additionally, the vulcanization time of ELASTOSIL® N 9189 can be greatly reduced by increasing the level of air's relative humidity. Please note that, unlike the initial skin formation, the total curing rate of RTV-1 silicones is limited by moisture's diffusion speed in silicone rubber.
Increasing the curing temperature has just a minor effect both on the skin formation time and on the curing speed. ELASTOSIL® N 9189 therefore is vulcanized typically at room temperature.
After completion of the vulcanization the silicone elastomer may continuously be exposed to constantly changing climatic conditions, sunlight and high temperature without damage. Cured ELASTOSIL® N 9189 usually shows good primerless adhesion to many substrates, e.g. glass, ceramics, metals, plastics, varnishes and powder coatings.
Detailed information about the processing of RTV-1 silicones is given in our brochure “ROOM TEMPERATURE VULCANIZING (RTV) SILICONES - MATERIAL AND PROCESSING GUIDELINES”. We recommend running preliminary tests to optimize conditions for the particular application.
Removal:
If removal of the silicone from machines or dispensing equipment is necessary, white spirit or similar nonpolar solvents are recommended. However, cleaning ideally should take place before the silicone rubber is fully vulcanized. Cured silicone needs to be rubbed off or removed mechanically, if necessary in combination with a swelling agent (solvent) or a chemical silicone remover.
Lagerung
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
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Vereinigte Arabische Emirate
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