Basalt fiber fabric is used in industrial high-temperature protection to block molten metal splashes
May 09,2025
Basalt fiber fabric reshapes the industry standard for high-temperature protection
In high-temperature industrial fields such as casting, metallurgy, and chemical engineering, molten metal spatter and extreme thermal radiation have always been "invisible killers" of safe production. The choice of protective materials is directly related to production safety and efficiency. Traditional protective materials such as asbestos and ceramic fibers, while having certain high-temperature resistance properties, generally have problems such as large weight, easy cracking, and carcinogenic risks.
The emergence of basalt fiber fabric is gradually changing this situation. This high-performance material derived from natural volcanic rock, with its unique "zero molten droplet protection against molten metal spatter" characteristics, 1600℃ zero molten droplet protection, lightweight and flexible wear, and environmentally friendly throughout its life cycle, is becoming a new benchmark for industrial high-temperature protection.
Performance analysis of basalt fiber fabric
The reason why basalt fiber fabric can achieve zero molten droplet protection in extreme environments of 1600℃ is due to its unique material characteristics:
High-temperature stability
The softening point of basalt fiber is as high as 1050℃, and it can withstand 1600℃ high temperature in the short term, far exceeding traditional protective materials. Even when directly facing molten metal spatter in metallurgy and casting scenarios, it can maintain its structural integrity.
Excellent thermal shock stability
Experimental data shows that in the rapid cooling and heating cycle test from 1600℃ to room temperature, the basalt fiber fabric still maintains a strength retention rate of over 85% after 100 cycles, solving the problem of thermal shock cracking of traditional materials.
Zero molten droplet characteristics
Unlike organic fibers that melt and drip at high temperatures, basalt fiber fabric only gradually softens at high temperatures without producing molten droplets, avoiding the risk of secondary damage. It is also flame-retardant and fireproof, with a flame spread index of 0.
Industrial application scenarios of basalt fiber fabric
1. Casting industry innovation
In automated casting production lines, the robotic arm protective sleeves made of basalt fiber fabric allow equipment to operate continuously in a 1600℃ molten steel spatter environment.
After application in automobile casting plants, the maintenance frequency of robots can be reduced, saving maintenance costs.
2. Metallurgical safety protection
As the inner lining of protective clothing for steel workers, basalt fabric, when blended with aramid fiber, improves the protection level while maintaining flexibility and reducing weight by 30%.
3. High-temperature pipe wrapping
Replacing traditional glass fiber for insulation of heat pipes above 800℃, the thermal conductivity is as low as 0.03W/(m·K), and it does not contain carcinogens, with installation efficiency increased by 50%
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