Soft Flexible Twisted Basalt Fiber Yarn with Excellent Drapability and Abrasion Resistance Designed for Weaving Firefighter Protective Clothing and Welding Safety Blankets.

Pasia Soft Flexible Twisted Basalt Fiber Yarn is a high-performance textile material precision-engineered to meet the demanding requirements of firefighter protective clothing and welding safety blankets. Derived from natural volcanic basalt rock and processed through advanced twisting technology, this yarn delivers an exceptional combination of thermal stability, mechanical durability, and textile-friendly flexibility – overcoming the traditional brittleness challenges of inorganic fibers.

The twisting process enhances fiber cohesion, reduces gaps between filaments, increases contact area and load distribution, and minimizes slippage and deformation – resulting in a stronger, tougher yarn that is easy to handle during weaving.

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Key Features

Feature Benefit

Excellent Drapability Soft, pliable texture conforms easily to uneven surfaces and complex body contours
Superior Abrasion Resistance Withstands repeated friction and mechanical stress in demanding work environments
Outstanding Thermal Stability Continuous service from -260°C to +700°C; peak resistance up to 1,100°C
Non-Combustible & Self-Extinguishing Limiting Oxygen Index (LOI) > 70% – does not melt, drip, or shrink when exposed to flame
No Toxic Gas Emissions Zero hazardous off-gassing during thermal exposure – safe for wearers and first responders
Chemical & Corrosion Resistance Excellent resistance to acids, alkalis, moisture, steam, and chemical gases
Eco-Friendly & Non-Toxic 100% natural mineral composition, fully recyclable, contains no asbestos or glass fibers

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Technical Specifications

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Industrial Textile Applications

Thanks to its 5‑micron fineness and twisted structure, this yarn excels in:

· High‑temperature filtration fabrics – fine mesh with lower pressure drop

· Fire‑retardant curtains and welding blankets – lightweight yet protective

· Reinforcement for composite prepregs – improved resin wet‑out

· Braided sleeving and cable insulation – flexible and crush‑resistant

· Sealing and gasket materials – excellent compressibility

· Aerospace interior textiles – non‑combustible and low smoke emission

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Why Choose Our 5‑Micron Twisted Yarn?

Advantage Benefit

Finer than standard Enables thinner, lighter fabrics without sacrificing strength

Twisted for processability Reduces fuzzing and breakage during high‑speed weaving/knitting

Pure basalt – no additives Fully recyclable and non‑toxic, safer than asbestos and fiberglass

Consistent quality Strict diameter and twist uniformity (deviation < 5%)

Cost‑effective Lower price than carbon or ceramic fibers, with comparable thermal performance

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Conclusion

Our 5‑Micron Basalt Fiber Twisted Yarn redefines what basalt can do for industrial textiles. The combination of ultra‑fine filaments and engineered twist delivers a yarn that is not only heat‑stable and chemically robust but also textile‑friendly – allowing you to weave, braid, or knit with confidence. Whether you are producing fire‑safe protective clothing, high‑efficiency filter bags, or advanced composite reinforcements, this yarn offers the precision and performance your application demands.

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Specifications:

Other specifications are available for customization.

• Mechanical properties for basalt fiber produced by Pasia