What Is Elastic Aerogel Fiber?
Elastic Aerogel Fiber is a revolutionary functional material engineered by our factory to combine the ultra-low thermal conductivity of aerogel (≤0.028 W/(m·K)) with the stretchability of elastic fibers (50%-300% adjustable stretch ratio). Unlike traditional rigid aerogel (which cracks easily under tension), our product uses a proprietary "dual-core elastic matrix"-where silica aerogel nanoparticles are uniformly embedded in a thermoplastic polyurethane (TPU) or spandex base-creating a material that is both lightweight (density: 0.15-0.35 g/cm³) and durable.
As a manufacturer, we control the entire production chain from raw material selection (using food-grade TPU and high-purity silica aerogel) to finished product testing, ensuring consistency across every batch. Our Elastic Aerogel Fiber is widely recognized for:
Solving traditional aerogel's brittleness (no cracking after 10,000 stretch-recovery cycles).
Balancing insulation and flexibility (suitable for tight-fitting or dynamic applications).
Meeting international safety standards
Textile & Apparel (Top-Selling Category)
Sportswear: We supply 100%-200% stretch Elastic Aerogel Fiber for compression jackets, ski pants, and running tights. For a European outdoor brand, we customized a 150% stretch grade that reduces garment weight by 20% while improving cold resistance (-20℃ to 10℃).
Cold-Weather Clothing: Our 50%-100% stretch grade is used in flexible down jackets and thermal gloves. We offer color customization (Pantone-matched) and anti-pilling coatings to meet fashion brands' needs.
Workwear: For construction or cold-storage uniforms, we add a wear-resistant layer (polyester blend) to the fiber, extending product lifespan by 50%.
Technical Parameters
| Thickness | FMB100-0.5 | 0.5mm |
| FMB100-1.0 | 1mm | |
| FMB100-2.0 | 2mm | |
| FMB100-3.0 | 3mm | |
| Weight | FMB100-0.5 | 30gsm |
| FMB100-1.0 | 60gsm | |
| FMB100-2.0 | 120gsm | |
| FMB100-3.0 | 180gsm | |
| Width | FMB100-0.5 | 1350mm |
| FMB100-1.0 | 1450mm | |
| FMB100-2.0 | 1450mm | |
| FMB100-3.0 | 1450mm | |
| Color | beige | |
| Working Temperature | -90-180℃ | |
| Technical Data | Size Stability | 5% |
| Thermal Conductivity(25C) | ≤0.026W(m*K) | |
| Fire rating | V0 | |
| Breaking strength | >0.2MPa | |
| Breaking elongation | >150% | |
| Temperature limit | 45℃ | |
| Function | Warm clothing/accessories, Tent/sleeping bag, home textiles | |
| Advantage | Thin, soft, cleanable, effective. | |
| Certificate | RoHs 2.0 | |
| Notes: Size,color can be customized | ||


Why Runhui's Fabric Stands Out
State-of-the-Art Aerogel Technology – Achieves leading insulation in textile form.
Comfort-Oriented Design – Soft, stretchable, and fully sewable-ideal for garment applications.
Functional Durability – Wash-friendly, moisture-resistant, flame-retardant.
Scalable Fabric Production – Rolls up to 1.5 m wide, with OEM-ready customization for thickness and width.
Strict Quality Inspection (7-Step Process)
Raw material testing: Check TPU elasticity and aerogel purity (≥99.5%).
Mixing control: Ensure uniform dispersion of aerogel nanoparticles (tested via electron microscopy).
Spinning inspection: Monitor fiber diameter (5-50μm) and stretchability.
Heat treatment testing: Verify thermal stability at 200℃.
Moisture resistance test: Check water absorption per ISO 62.
Final insulation test: Measure thermal conductivity via ASTM C518.
Packaging inspection: Ensure vacuum-sealed packaging to prevent moisture damage.
FAQ:
If we receive a bulk order and find that some rolls of Elastic Aerogel Fiber have inconsistent stretch ratios (e.g., some are 180% instead of the ordered 200%), how will your factory handle this?
Inconsistent stretch ratios are rare (our 7-step QC process includes 100% stretch testing for each roll), but we have a clear, customer-centric solution:
Quick verification: Provide photos/videos of the problematic rolls (showing stretch test results) and the batch number-our QC team will review the production records within 24 hours to confirm the issue.
Free replacement: If the issue is confirmed, we will ship replacement rolls (with the correct 200% stretch ratio) via DHL/FedEx express (free shipping) within 3 working days to minimize your production downtime.
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