Basalt
Basalt Fibre
Basalt fibre is an innovative and sustainable material obtained by melting and spinning basalt rock.
This natural fibre offers a unique combination of strength, lightness and durability, making it ideal for a wide range of applications.
Components
Characteristics
Properties
SiO2: 47,5-50,5%
Al2O3: 15,1-18,5%
Fe2O3: 11,7-14,8%
CaO: 6-12%
Na2O: 2,3-3,3%
K2O: 2,6-7,5%
TiO2: 0,7 – 2%
Good stability at high temperatures
Excellent resistance to thermal shock
Good dimensional stability
Excellent mechanical resistance
Low thermal conductivity
Non-combustible
Excellent flexibility
Good chemical resistance
Good abrasion resistance
Colour: Green/Brown
Maximum temperature: 700°C
Melting temperature: 1450°C
Fibre-filament diameter: 8-16 microns
Tensile strength – virgin filament: 2900-3100 MPa
Young’s modulus: 87000 MPa
Thermal conductivity: 0.031-0.038 W/m °K
Reaction to fire: non-combustible
Solvent resistance: good
Base resistance: good
Acid resistance: good
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