Novasil^® potting materials

The dissipation of heat at high power densities, the protection of components and possible undercuts, the compensation of stresses, and much more require the highest standards for a permanently stable potting material. Our Novasil^® potting materials can be optimally adapted to your applications and, among others, offer the following advantages:

Excellent plastic adhesion
Quick curing, even with thick layers for fast industrial production
Low viscosity for filling cavities without air bubbles

Send enquiry about Novasil® potting materials

Possible application areas for potting materials

Potting in electronics

Potting in the e-mobility sector

Potting of junction boxes

The OTTO product filter for industrial products

Use our OTTO product filter to easily find the right potting material that meets your specific requirements.

Choose the desired properties, certifications, etc.
View Novasil^® products with the desired criteria
Select the preferred potting material & make a non-binding enquiry by using the contact form

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Our product range

Novasil® S 651

The flowable 2-component potting silicone with UL 94-V-0

2-component potting silicone
Flame resistant
Based on a neutral, condensation curing system
Excellent flowability
Cures at room temperature
Releases alcohol as splitting product during curing.

Novasil® S 803

The 1-component sealing silicone with UV indicator

Neutral curing 1-component potting silicone based on alkoxy
Self-levelling
Cures at room temperature
Excellent adhesion on many substrates, partly in combination with primer
With UV-indicator (for the quality control/inspection of the application via UV light)

Novasil® S 804

The high temperature-resistant flowable 1-component alkoxy silicone

Neutral curing 1-component potting silicone based on alkoxy
Self-levelling
Especially matched viscosity
Excellent temperature resistance
High adhesion strength
Very good steam and humidity resistance

Novasil® S 822

The premium 2-component potting silicone

2-component potting silicone
Fast curing
Excellent flowability
Electrically non-conductive
Non-corrosive

Novasil® S 824

The low-viscous 2-component sealing silicone

2-component potting silicone
Based on a neutral, condensation curing system
Cures at room temperature
Releases alcohol as splitting product during curing.
Non-corrosive
Excellent flowability
Electrically non-conductive
Very broad adhesion spectrum
Fast application in production

Selected properties of our potting materials

Viscosity

The flow behaviour of potting materials is particularly relevant when working with them. The viscosity should be adapted to the conditions of the components. The self-levelling can, for example when using a low viscosity potting materials for components with gaps and undercuts, avoid air pockets when filling and thus achieve the best-possible protection of the components.

Thermal conductivity

In the case of high power densities in components and therefore any resulting hot spots with a high temperature load, sufficient thermal conductivity of the potting materials used should be ensured. Our Novasil^® potting materials have different thermal conductivities depending on the product and application and can therefore optimally dissipate the heat in the components so that the service life of the components is not negatively impacted by higher power densities.

High temperature resistance

Applications with high thermal loads require materials that withstand these loads without compromising their properties. By using high temperature resistant potting materials, the installed components can be permanently functionally connected to each other and protected from high temperature fluctuations. Our high temperature resistant Novasil^® potting materials have different temperature resistances of up to 250°C so that we are sure to find the right product for your application.

Reactivity

Depending on the application, there are different requirements for the reactivity of the potting materials used. Some potting materials of our standard product range are therefore already available ex works with different pot lives so that the handling time can be perfectly adapted to the present application.

End state

Potting materials must be able to compensate for stresses that occur in components. That is why the mechanical properties of the potting materials or the end state after curing play an important role when selecting the right product. Our product range has potting materials with different shore A hardness grades as well as soft gels to cover a wide range of applications.

Fire behaviour

Potting materials must have self-extinguishing properties in many electronic applications. Fire tests, for example, define by category (V-0, V-1, V-2) a certain gradation over time in which the self-extinguishing must occur. Special additives and fillers in our Novasil^® silicones improve the fire behaviour in order to fulfil the UL 94 criteria.

Our OTTO services in the industrial sector

Our offer of potting materials is completed by our customer-oriented services. We will be happy to assist you at the start of your project with our many years of experience and extensive technical knowledge when it comes to developing custom solutions.