Essential details
MOQ:1000
Lead time:7 to 10 Days
Shipping:Ocean freight, Land freight
Package Description:900 KG/bag
Product Introduction
Jiangsu Keyilai K105 is a fiber-grade PBT resin manufactured by Jiangsu Keyilai New Material Technology Co., Ltd., a company specializing in high-performance resin solutions with flexible custom formulations.
K105 features high purity and excellent spinnability, making it ideal for fiber extrusion, monofilament production, and specialty filament applications. It is widely used in textile fibers, brush bristles, wig fibers, and optical cable components.
We supply K105 directly from Jiangsu Keyilai, backed by our large-volume procurement and reliable supply chain, offering competitive pricing for fiber producers and manufacturers worldwide.
| Feature | Description |
| Fiber Grade | Specifically designed for spinning and filament extrusion |
| High Purity | Minimizes defects and breakage during spinning |
| Excellent Spinnability | Stable processing for POY, DTY, FDY production |
| Good Color Uniformity | Consistent dyeing results batch after batch |
| Consistent Viscosity | Reliable processing with minimal variation |
| Custom Formulations Available | Flexible solutions for specialized requirements |
Technical Specifications
| Parameter | Unit | Typical Value |
|---|---|---|
| Intrinsic Viscosity | dl/g | 1.00 – 1.10 |
| Melting Point | °C | ≥222 |
| Carboxyl End Groups | mol/t | ≤25 |
| Moisture Content | % | ≤0.1 |
| Ash Content | mg/kg | ≤300 |
| Color | — | Natural |
Applications
Textile Fibers
POY, DTY, FDY polyester yarns
Textile Fibers
POY, DTY, FDY polyester yarns
Apparel fabrics, sportswear
Elastic covered yarn
Monofilament & Brush Bristles
Paint brushes, cosmetic brushes
Paint brushes, cosmetic brushes
Toothbrush bristles
Industrial brush filaments
Wig Fibers
Wigs, hairpieces, beauty products
Wigs, hairpieces, beauty products
Synthetic hair for dolls and mannequins
Specialty Applications
Optical cable components
Optical cable components
Fishing line
Sewing thread
K085 vs K105 – Product Comparison
| Parameter | K085 | K105 |
|---|---|---|
| Primary Grade | Injection Molding | Fiber / Spinning |
| Viscosity | Medium (0.85–0.95) | Higher (1.00–1.10) |
| Flowability | Optimized for molding | Designed for spinning |
| Typical Applications | Modified compounds, connectors, housings | Fibers, filaments, brush bristles, wig fibers |
| Key Feature | Complex part molding | Spinning consistency and purity |
