TESPE® TENUTE SPECIALI | LEADER IN TECHNICAL TEXTILES

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Glass Fiber Textile Products

The base material of Tespe Glass Fiber Textile Products consists of 6 - 9 microns “E” Glass Fiber Filament Yarns that can be voluminized, texturized, plyed, reinforced with steel wire etc.
They are inorganic, steril, incombustible, totally Asbestos-Free, do not contain any toxic matter nor heavy metals and do not cause skin irritations.
 
Basic compositions of "e" glass fiber
SiO2   53-55 %
Al2O3   14-15.5 %
CaO - MgO   20-24 %
B2O3   6.5-9 %
Fe2O3 - TiO2   < 1 %
Na2O-H2O   < 1 %
 
General properties of "e" glass fiber
Colour   White
Max. Temperature   550 °C
Melting Point   1200 °C
Diameter-filaments   > 6-9 micron
Tensile strength-virgin filament   3400 MPa
Young's modulus   74000 Mpa
Thermal conducivity   1,0 W/m °K
Fire reaction   incombustible
Loss on ignition   < 1,5 %
Dielectric rigidity-glass in bulk   60-100 KV/mm
Solvent resistence   good
Bases resistence   good
Acid resistence   good - except fluoridric acid
 
General properties of "E" glass fiber textile products
  • High mechanical strengt
  • Incombustible
  • Low thermal conducivity
  • Good resistence to chemical agents
  • Good electrical properties
  • Good dimensional stability
  • High thermal resistence
  • Good flexibility
MAX TEMPERATURE 550 °C
Range of tespe glass fiber textile products