Basalt fiber
The development of basalt fiber began in the Soviet Union in the 1960s. At that
time, basalt fiber exceeded glass fiber in some characteristics, its strength was
higher than steel, and its high strength retention rate at high temperature of 700℃
attracted the attention of the Soviet military. After more than 20 years of
continuous practice, Soviet scientists and the military finally developed the
production process and technology of basalt continuous fiber.
Continuous basalt fiber (CBF) is a new type of inorganic fiber material with high
performance. It is a continuous fiber made of volcanic rock (a variety of basalt,
natural basalt stone mainly composed of oxides such as silica, alumina, calcium
oxide, iron oxide and titanium dioxide) as raw materials, melted at 1450 ℃ ~
1500 ℃ and pulled at high speed through platinum rhodium alloy wire drawing
leakage plate. Because the fiber color is golden brown, it is also known as "golden
fiber". Continuous basalt fiber has the advantages of good stability, good electrical
insulation, corrosion resistance, flame retardant, high temperature resistance and
low temperature resistance. It has excellent comprehensive performance, low raw
material cost, natural environmental protection and high cost performance. Basalt
fiber is a pure natural inorganic non-metallic material, which can be degraded into
soil parent material and absorbed by soil. It is a green environmental protection
product.
Performance characteristics of basalt fiber:
1. Outstanding temperature resistance. The service temperature range of CBF is: -
260 ~ 900 ℃ (softening point is 960 ℃).
2. Outstanding tensile strength: the tensile strength of CBF is 3800 ~ 4800 MPa.
3. Natural compatibility with silicate. It belongs to silicate like cement and has stable
performance in alkaline medium.
4. Outstanding chemical stability, excellent acid and alkali corrosion resistance and
water resistance.
5. Significant thermal vibration stability. The mass loss fraction of CBF at 900 ℃ is
only 0.03.
6. Good dielectric properties. The volume resistivity is one order of magnitude
higher than that of glass fiber, and the dielectric loss tangent is 50% lower than that
of glass fiber.
7. Excellent wave transmission performance and certain wave absorption
performance.
8. It has good radiation protection function.
9. Flame retardancy: in case of open fire, it will not burn.
Comparison between basalt fiber and other fibers
Product Detail
