TESPE® TENUTE SPECIALI | LEADER IN TECHNICAL TEXTILES

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Fiber-Sil® | Special HT Staple Fiber Textile Products

The base material of TESPE FIBER-SIL Textile Products consists of a Special Staple Fibre Pre-Yarns (belCoTex®: chemical modified silicic acid) with and high content of SiO2 (>94 %).
FIBER-SIL Textile Products have an high temperature resistance (1100°C) and, becouse of the staple-fibre structure, they have a low density and a very good thermal insulating properties.
Due to their specific peculiarities - non-respirable 9 micron fibres, no skin irritation, no formation of ά-cristobalite (at 1000°C, 24 h) - FIBER-SIL Textile Products can be well considered in order to replace the Ceramic Fiber Textile Products in most of their applications.
FIBER-SIL Textile Products do not contain any Ceramic Fiber nor Asbestos Fiber.
 
Basic compositions of fiber-sil
SiO2   94.5 %
Al2O3   4.5 %
Na2O   < 0.5 %
Furthe components   < 0.5 %
 
General properties of fiber-sil
Colour   White
Average Fiber Diameter   9 micron
Bulk density (chopped fibres 6 mm)   50 kg/m3
Melting Point   1550 °C
Weigth Loss (1000°C, 2 h)   < 10%
Linear Shrinkage (1000°C, 2 h)   6 %
Heat Resistance   1000°C – long-term
Heat Resistance   1100°C – short-term
High temperature stability    
Excellent thermal shock resistence    
Good dimensional stability    
Low density    
High mechanical strenght    
Low thermal conducivity    
Incombustible    
Good chemical resistance    
Good flexibility    
 
Range of fiber-sil textiles
* Asbestos free - Ceramic Free