Products Description
| Specification | Details |
|---|---|
| Material | 100% Virgin Polybutylene Terephthalate (PBT) |
| Diameter Range | 0.08mm - 0.60mm (Custom sizes available) |
| Tensile Strength | 3.7 - 5.8 cN/dtex (High Tenacity Grade Available) |
| Elongation at Break | 15% - 45% (Adjustable based on application) |
| Melting Point | 223°C - 235°C |
| Density | 1.38 g/cm³ |
| Shrinkage (Boiling Water) | 1% - 8% |
| UV Resistance | Excellent |
| Features Available | UV Stabilized, Flame Retardant, Custom Colors (Dope Dyed), Anti-Bacterial |
key Features & Advantages
🔹 Superior Elasticity & Excellent Recovery
PBT boasts an elastic recovery rate that rivals Spandex but with greater stability . It provides a soft, comfortable hand-feel that stretches with movement and immediately recovers to its original shape without sagging or deformation. This performance is unaffected by humidity, ensuring consistency in various environments .
🔹 Outstanding Chemical & Chlorine Resistance
Unlike Nylon, which can degrade with repeated exposure to bleach or perspiration, PBT offers excellent resistance to chlorine, bleach, acids, and oils . This makes our yarn last significantly longer through repeated laundering or exposure to harsh industrial chemicals and outdoor weather conditions .
🔹 Low Moisture Absorption (Quick-Dry)
With very low moisture absorption (as low as 0.1%), PBT monofilament does not swell or weaken in wet environments . It dries quickly, making it perfect for aquatic applications, outdoor gear, and sportswear.
🔹 Excellent Dimensional Stability
We offer a product with low thermal shrinkage (Boiling water shrinkage: 1-8% ; 150°C shrinkage: 0.5-20%) . This ensures that your finished products-whether woven fabrics or industrial brushes-maintain their precise shape and size during use and processing.
🔹 Easy Dyeability (No Carrier Needed)
Save on processing costs! PBT can be dyed with standard disperse dyes under normal pressure (at boiling temperatures) without the need for a carrier, resulting in bright, full colors with excellent color fastness to light and washing .
🔹 Eco-Friendly & Sustainable
Our PBT yarn is a recyclable material, supporting the global shift toward sustainable manufacturing .
Applications
Thanks to its unique blend of hardness (for bristles) and softness (for fabric), PBT monofilament is incredibly versatile .
🧵 Textile & Apparel:
Performance Wear: Cycling jerseys, ski wear, swimwear, and yoga pants requiring 4-way stretch.
Hosiery & Socks: Provides a better fit and superior elasticity retention compared to standard nylon.
Elastic Fabrics: Used as a replacement for Spandex covered yarns in denim and shirting for a lighter, more breathable feel .
🪥 Industrial & Brushes:
Technical Brushes: The excellent bending recovery ensures paint brushes, makeup brushes (eyelash/ cosmetic brushes), and toothbrush bristles maintain their shape and stiffness over time .
Filter Fabrics: Used in filtration meshes where chemical resistance and dimensional stability are critical .
👟 Specialty Items:
Shoe uppers, conveyor belts, geotextiles, and curtain tapes .
Why choose Our PBT monofilament
Precision Manufacturing: Produced with advanced extrusion technology to ensure uniform diameter (tolerance ±0.005mm) and consistent roundness. No weak spots.
Customizable: We offer customization in titer (dtex), tenacity, shrinkage, and color (custom colors/Natural/Black) to meet your exact OEM requirements .
Quality Assured: 100% inspection before delivery ensures you receive defect-free yarn .
Packaging & Delivery
Packaging: Wound on rigid paper tubes or plastic spools. Packed in cartons or pallets to protect the yarn during transit. Available in various net weights (0.8kg to 14kg spools) .
MOQ: Flexible MOQs accepted to support both trial orders and bulk production.
Lead Time: 15-30 days depending on order quantity.
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