Engineered for demanding applications, this premium black elastic cord offers superior stretch and recovery across 3mm, 4mm, 5mm, 6mm, and 8mm diameters. Its high-density rubber core ensures consistent 200-300% elongation and reliable long-term tension, outperforming standard elastic bands in durability and resilience for professional and hobbyist projects. Features and Benefits
- High-Density Rubber Core - Provides exceptional tensile strength and consistent elasticity, resisting permanent deformation and sagging over time.
- Multi-Diameter Selection (3-8mm) - Offers precise matching to project requirements, from delicate garment hems to heavy-duty gear straps.
- Premium Black Synthetic Sheath - Protects the core from abrasion and UV degradation while maintaining a clean, professional appearance.
- Strong, Secure Bonded Ends - Prevents fraying and unraveling during cutting and sewing, ensuring clean integration into your work.
- Consistent Cross-Section - Delivers uniform stretch and recovery throughout the entire length for predictable, professional results. Applications
- Apparel and Costume Construction - Ideal for creating durable waistbands, cuffs, and adjustable closures that maintain their shape.
- Outdoor and Tactical Gear Repair - Perfect for replacing shock cord in backpacks, tents, and equipment due to its weather-resistant properties.
- Craft and DIY Projects - Excellent for making resistance bands, tool holders, and custom elastic straps for organizers.
- Upholstery and Home Decor - Suitable for cushion ties, slipcover grips, and other applications requiring strong, hidden elasticity. Note
Length per roll may vary by diameter. For best results, secure ends with a knot or heat seal before final installation to prevent slippage.
Material: Rubber (Elastic). Color: Black. Diameter: 3 mm, 4 mm, 5 mm, 6 mm, 8 mm. Type: Round Cord. Application: Garment, decoration, sports protective gear, medical bandages. Available Diameters: 3 mm, 4 mm, 5 mm, 6 mm, 8 mm. Diameter Tolerance: ±0.2 mm. Construction: Braided Cover over Elastic Core. Core Material: Natural/Synthetic Rubber Blend. Material: Synthetic Rubber (Elastomer) Core with Black Polyester/Nylon Braided Sheath. Sheath Material: Braided Polyester or Nylon Thread. Operating Temperature Range: -20°C to 70°C. Flammability Rating: Self-extinguishing (typical for synthetic fibers). Abrasion Resistance: High (due to braided sheath). Chemical Resistance: Resistant to mild acids, alkalis, and oils. Color: Black. Cross-Section: Round. Elongation at Break: Approximately 300-400%. Primary Application: Sewing, Garment Construction, Crafting. Recovery Rate: >95%. Secondary Application: General Purpose Elastic Strapping. Tensile Strength: 15-25 MPa (varies by diameter). UV Resistance: Moderate. Q: What are the exact diameters available for this black elastic cord? A: This elastic band set is available in five specific diameters: 3mm, 4mm, 5mm, 6mm, and 8mm. This range covers common sizes needed for various sewing, crafting, and repair projects.. Q: How durable is this elastic cord for outdoor or high-stress projects? A: This elastic cord is made from strong, durable rubber designed for reliable performance. It maintains good elasticity and strength for typical sewing, crafting, and light-duty repair applications.. Q: Can I use this 8mm elastic band for repairing heavy-duty waistbands on work pants? A: Yes, the 8mm black elastic cord is an excellent choice for heavy-duty applications like work pant waistbands, tool belts, or backpack straps. Its thicker diameter provides the necessary strength and recovery for demanding use.. Q: Does this product come with any warranty or guarantee? A: This product is sold as a reliable craft and sewing supply. For specific warranty details, please refer to the seller's policy on the product listing page at the time of your purchase.. Q: Is this elastic cord set a good value compared to buying individual sizes? A: Yes, this offers excellent value for DIY enthusiasts and professionals seeking quality without premium brand pricing. Getting five different diameters in one set provides versatility for numerous projects, delivering reliable performance for regular use..