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BASALT · BF 耐温 700 °C

Basalt Fiber

Basalt fiber (BF) is a single-component natural mineral fiber drawn directly from basalt rock. It offers S-glass-like strength, higher temperature capability than glass fiber (700 °C), excellent alkali and corrosion resistance, and is fully green and recyclable. Rising in 'green alternative' and 'alkali-resistant reinforcement' applications.

PROPERTIES

Typical property ranges

Density
2.60 – 2.75 g/cm³
Tensile strength
3.0 – 4.8 GPa
Young's modulus
80 – 95 GPa
Elongation at break
2.6 – 3.2%
Max service temp.
700 °C 耐温
Cost position
¥¥ 中 · 环保耐温替代
BRANDS

Major brands

CN
四川航天拓鑫 Hangtian Tuoxin

BF 玄武岩纤维

CN
浙江石金基瓦 Jiwazhuang

玄武岩纱 / BF 复材制品

INTL
Kamenny Vek(俄罗斯)

BCF

INTL
Mafic(爱尔兰)

Basalt roving

MATRIX · RESINS

Compatible resin systems

Click any resin to open the fiber × resin combination detail page — every matched material, formula, paper and patent in our DB.

PROCESSES

Compatible forming processes

These are industrially mainstream pairings for this fiber system; process parameters live under /tech and the formula library.

PULTRUSIONWINDINGHAND LAY-UPVARTMRTM
APPLICATIONS

Typical applications

WHERE
Main applications

Alkali-resistant rebar for concrete (GFRP substitute) · Automotive chassis parts · Bridge retrofit · High-temperature pipes · Fire-retardant panels · Fire-blocking textiles · Battery insulation.

WHY
Why basalt

700 °C service — far above glass fiber · Better alkali resistance than E-glass — ideal for concrete reinforcement · Natural mineral origin · Cost ¥ 25-35 /kg (between glass and carbon) · Mature domestic supply chain.

LIVE · PAPERS

Latest related papers

LIVE · PATENTS

Latest related patents

Let AI evaluate a basalt-fiber plan

AI compares glass / basalt / carbon for your load case and budget.