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Nessuna fiera in programma
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 The foundations of the chemistry of silicones were laid by the Englishman F.S. Kipping, who provided the scientific bases (1899-1944) for the subsequent industrial research. Thanks to his findings, a number of American companies launched a series of experimental programmes with the aim of highlighting the many industrial applications of silicones.
The general features of silicones include a total absence of colour, smell and taste, physiological inertia over time and considerable flexibility and elasticity at low temperatures.
Silicones also have outstanding resistance to:
- wide temperature ranges (from -50°C to 200°C)
- sunlight
- corrosive chemicals
Check silicone's chemical compatibility with your chosen material!!
Here is a simple tool you can use to make a few checks.
Physical and mechanical characteristics
Silicone has the following characteristics:
- flexibility and elasticity retained intact at very low temperatures (-60°C)
- retention of mechanical characteristics in a wide temperature range (-60°C to +180°C, up to 250°C)
- excellent resistance to temperatures, humidity and sunlight and inertia in relation to chemical and physiological substances
- excellent flame retardant properties and maintenance of insulating properties even after combustion
- non-toxic, non-corrosive fumes
- good electrical properties, with variations of little significance in a wide temperature range
- minimal water absorption even at high temperatures and the water has no effect on dielectric factors
Electrical characteristics
Volume resistivity varies in a range of 10 -6 for a good conductor and 10 +15 ohm*cm pfor an insulator: silicone rubber has the highest value. The dielectric constant, dielectric strength and power factor of silicone rubber remain virtually unchanged between the temperature extremes of -20°C and +220°C.
On the other hand, ordinary materials deteriorate quickly as the temperature rises and the exposure duration increases. |
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| SILTEK s.p.a.
Via Bergamo 60, 26022 Castelverde (CR) Italy tel: +39 0372 424411 fax : +39 0372 429424 |
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