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Basalt fiber cloth

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Basalt fiber cloth

Basalt fiber cloth is a regular pattern woven fabric made of high-strength basalt fiber. Warp and weft are regularly interwoven, with uniform weaving point, firm texture, scratch resistance and flat surface.

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Basalt Fiber Cloth Series

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Product introduction

　　Basalt fiber cloth is a regular pattern woven fabric made of high-strength basalt fiber. Warp and weft are regularly interwoven, with uniform weaving point, firm texture, scratch resistance and flat surface. It has excellent properties such as high strength, high temperature resistance, acid and alkali corrosion resistance, incombustible insulation, non-toxic gas emission, no melting or dripping, no shrinkage and so on. It can replace the existing aramid fiber fireproof materials.

Product performance

　　■ tensile strength: ≥ 1800mpa

　　■ elastic modulus: ≥ 50gpa

　　■ elongation at break: ≥ 2.5%

　　■ gram weight: (120 ~ 500) g / M ²

　　■ flame retardancy: class V-0

Product features and specifications

　　Basalt fiber cloth has the characteristics of high strength and high cost performance. It is especially suitable to replace carbon fiber cloth for reinforcement and repair of building bridges. In the field of building reinforcement, the seismic reinforcement performance of basalt fiber cloth for columns is very close to that of carbon fiber cloth.

Basalt fiber cloth specification

Applicable fields

　　● radome, engine parts, radar antenna

　　● tank armored vehicle body, structural parts, torsion bar and sleeve

　　● sports water skis, alpine skis, surfboards, etc

　　● automobile interior trim, silencer, etc

　　● fire protection clothing, fire curtain, fire blanket, etc

　　● reinforcement, reinforcement and repair of buildings and bridge structures

Basalt fiber characteristics

Serial number	Product features	performance index
1	Outstanding mechanical properties	The density is 2.65 ~ 3.00g/cm3 and the tensile strength is 3300 ~ 4840mpa; The tensile strength, elastic modulus and elongation at break are higher than those of glass fiber, which has excellent wear resistance.
2	Excellent temperature resistance	The service temperature range of basalt fiber is: - 269 ℃ ~ 700 ℃; When working at 400 ℃ and 600 ℃, the fracture strength retention rate is ≥ 85% and ≥ 80% respectively; After 780 ~ 820 ℃ pretreatment, it can work at 860 ℃ without shrinkage.
3	Good chemical stability, acid and alkali corrosion resistance	K2O, MgO and TiO2 in the fiber significantly improve the chemical corrosion resistance and waterproof performance. The acidity coefficient of fiber is 4.86, pH=0.34； At 2mol / L After boiling in NaOH solution for 3 hours, the mass loss fraction was 0.0275%.
4	Good thermal shock resistance and stability	It can be used in 500 ℃ thermal vibration environment for a long time, and the mass loss is less than 0.02%, At 900 ℃, the mass loss is only 0.03%.
5	Wave absorption and magnetic permeability	It has excellent microwave absorption performance, and the microwave absorption performance can be further improved after surface modification of magnetic materials.
6	Excellent dielectric properties	The dielectric loss tangent of basalt fiber with volume resistivity greater than 1012 Ω· m and treated with special wetting agent is 50% lower than that of glass fiber, which can be used to manufacture new heat-resistant dielectric materials.
7	Sound absorption and heat insulation	It has excellent sound absorption and sound insulation performance, and its low frequency absorption coefficient and peak absorption coefficient are all higher than traditional sound absorbing foam, preoxygenation wire and so on. The thermal conductivity is more than 20% lower than that of glass fiber, which is much lower than that of rock wool and other thermal insulation materials.

　　Chongqing zhidu New Material Technology Co., Ltd. took the lead in mass production of ultra-fine basalt fiber (≤ 5um) in China. A series of high-strength and high modulus basalt fibers have been developed. The single fiber strength has exceeded 5800mpa and the fiber modulus has exceeded 100GPa. Compared with conventional basalt fibers, the properties have been greatly improved and have a wide application prospect.

Mechanical properties of high strength and high modulus basalt fiber

Fiber model	fiber diameter，um	Fiber monofilament strength，MPa	Fiber modulus，MPa
5-23	5	5730±80	104300±1500
7-46	7	5120±100	95100±1500
9-76	9	4800±80	91600±1400