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GETELEC formulates its own silicone mixtures and transforms them itself, thus ensuring we can provide
made-to-measure solutions for our customers.
We use specific grades of silicone as the basis of our formulations.

The advantages of silicone

Resistance to heat

Silicones’ thermo-oxidative stability is considerably superior to that of classical organic molecules. For example, continuous temperature resistance, in the absence of other constraints, can be estimated as follows:

– EVC silicone elastomers………. 180 – 250°C

Resistance to light and ozone-induced natural ageing

The light-resistance of EVCs in the absence of other constraints can be estimated as shown on a scale of 1 (weak resistance) to 5 (good resistance):

– EVC silicone elastomers………. 4.5

Resistance to chemicals

In the absence of acidic or basic catalysts, silicones have very good hydrolytic stability. This explains their use in medical and paramedical applications and physiological settings as well as their  employment for the manufacture of packaging for certain food and cosmetics products.

Low temperature-induced loss of properties

Their viscosity, dielectric properties, thermal capacity etc. change less with temperature than many other polymers. Permeability and gas absorption Elastomers’ gas permeability and silicone fluids’ gas absorption are relatively high.

Dielectric properties

Silicones are naturally good insulators, even though it is possible to make them conductive by incorporating conductive loads.
Their electrical properties fall on average within the following ranges:

– volume resistivity……………….. 1012 to 1016 Ohms/cm
– dielectric constant……………… 1 to 4
– loss factor…………………………. 2 to 200.10-4
– dielectric strength………………. 10 to 30 kV/mm

Fire resistance

Silicones have better natural fire resistance than polyolefins. Silicones also have the the advantage of forming a silicic skeleton which may work as the final barrier to the propagation of fires and maintain electrical insulation, for cable sheaths, for example.

Physiological safety

The carefully chosen grades of silicone comply with all necessary European and American standards for medical, pharmaceutical, paramedical and food applications.

Our laboratory and research centre support clients from selection of material through to the choice of transformation procedure. Having in-house control of the various processes (extrusion, cutting, moulding, injection, automatic placement, vulcanisation onto the cover etc.) ensures we are able to provide a made-to-measure solution for your environment.

Merci

Nous vous remercions de votre intérêt pour les solutions Getelec.
Nous revenons vers vous dans les meilleurs délais.

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