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  • High Tenacity 100% Polyester Filaments Sewing Thread 420d/3 Bonded Polyester Thread 1KG
  • High Tenacity 100% Polyester Filaments Sewing Thread 420d/3 Bonded Polyester Thread 1KG
  • High Tenacity 100% Polyester Filaments Sewing Thread 420d/3 Bonded Polyester Thread 1KG
  • High Tenacity 100% Polyester Filaments Sewing Thread 420d/3 Bonded Polyester Thread 1KG
  • High Tenacity 100% Polyester Filaments Sewing Thread 420d/3 Bonded Polyester Thread 1KG
  • High Tenacity 100% Polyester Filaments Sewing Thread 420d/3 Bonded Polyester Thread 1KG
High Tenacity 100% Polyester Filaments Sewing Thread 420d/3 Bonded Polyester Thread 1KG

High Tenacity 100% Polyester Filaments Sewing Thread 420d/3 Bonded Polyester Thread 1KG

  • 200 - 999 Pieces
    $2.30
  • 1000 - 4999 Pieces
    $2.15
  • >= 5000 Pieces
    $2.05

Customization:

Customized logo（Min.Order: 200 pieces）
Customized packaging（Min.Order: 200 pieces）
Graphic customization（Min.Order: 200 pieces）
View product details

High Tenacity 100% Polyester Filaments Sewing Thread 420d/3 Bonded Polyester Thread 1KG

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Strength Sewing & Embroidery: Designed for durable stitching in sewing machines and embroidery applications, featuring bonded and braided polyester filaments to resist fraying and heat.
  • Versatile Yarn Type: Combines spun and filament structures for flexibility in both delicate and heavy-duty projects, such as clothing, home decor, and industrial缝纫.

Key features

  • 1. Material Technology

    • With high tenacity bonded polyester filaments, ensure durable stitching even under heavy use*. The 100% polyester composition resists wear and tear, making it ideal for long-lasting projects.

  • 2. Interactive Design

    • With a secure spool design featuring a black plastic/metal cap, prevent thread unraveling during storage and use*. The stable cylindrical spool enhances handling in sewing machines and craft setups.

  • 3. Performance Parameters

    • With a high tensile strength of 420d/3, handle thick fabrics and high-speed sewing without breaking*. This specification outperforms standard threads in durability and load-bearing capacity.

  • 4. Scenario Solutions

    • With heat-resistant properties, maintain integrity during machine embroidery compared to traditional threads that may melt or fray*. Ideal for both delicate crafts and industrial applications like home decor and apparel manufacturing.

  • 5. Certification Standards

    • With eco-friendly material, meet sustainability standards for environmentally conscious projects*. The polyester formulation aligns with modern demand for reduced environmental impact.

Product details

High Tenacity 100% Polyester Filaments Sewing Thread 420d/3 Bonded Polyester Thread 1KG

Discover the versatility of our High Tenacity 100% Polyester Filaments Sewing Thread, engineered for durability and sustainability. Ideal for sewing, embroidery, and industrial applications, this bonded polyester thread combines eco-friendly materials with advanced braided construction to deliver exceptional performance across diverse projects.

Technical specifications

FeatureSpecificationApplication Scenario
Material100% Polyester, Eco-FriendlySustainable sewing for clothing, home decor, and crafts
StrengthHigh Tenacity (420d/3)Heavy-duty stitching in upholstery, outdoor gear, and industrial textiles
TechniqueBraided & Bonded ConstructionFray-resistant embroidery and machine sewing
Yarn TypeSpun & Filament BlendsVersatile for delicate fabrics (spun) and thick materials (filament)
Temperature ResistanceUp to 180°C (Advanced Model)Withstands high-heat industrial processes

Customization guide

Adjust filament count or bonding strength to meet specific project requirements:

  • Lightweight projects: Opt for lower denier filaments (e.g., 420d/3) for delicate fabrics.
  • Industrial-grade needs: Increase bonding density for reinforced stitching in heavy-duty applications.

Get inspired

With its high tenacity and eco-friendly composition, this thread is perfect for creating long-lasting garments, durable outdoor gear, or intricate embroidery patterns. The bonded structure ensures smooth machine operation, reducing thread breakage and enhancing productivity.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Tenacity420d/3+15%+30%*
Temperature Resistance150°C180°C220°C
Color Range10 Standard30+ CustomFull Spectrum

Supplier's note

  1. Technical Breakthroughs:

    • High Tenacity (420d/3): Enables 30% stronger stitching than standard threads, ideal for industrial缝纫.
    • Eco-Friendly Polyester: Reduces environmental impact without compromising durability.
    • Bonded Construction: Eliminates fraying, ensuring flawless embroidery even at high speeds.

  2. Version Selection Guide:

    • Base Model: Best for home sewing enthusiasts requiring basic durability (e.g., crafting or light upholstery).
    • Advanced Model: Suitable for professionals needing enhanced heat resistance (e.g., industrial tailoring or automotive textiles).
    • Pro Model: Designed for extreme applications like outdoor gear manufacturing, where triple-industry-standard tenacity ensures longevity in harsh conditions.

    Example: The Pro Model’s 30% higher tenacity allows seamless stitching in heavy-duty projects like waterproof jackets, paired with its 220°C heat resistance to withstand industrial sewing machines.

Frequently asked questions

  • Which polyester sewing thread is best for heavy-duty projects requiring high strength?

  • How do I properly store bonded polyester thread to prevent tangling?

  • Why is 100% polyester filament thread better than cotton for industrial sewing?

  • Can this 420d/3 bonded polyester thread be used for machine embroidery?

  • Is this eco-friendly polyester thread certified for environmental standards?

  • What makes this 1KG high tenacity thread suitable for heavy fabrics?

  • How does the braided and bonded technique improve thread performance?

  • Are there customization options for bulk orders of this polyester sewing thread?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Tensile StrengthIndustrial sewing, upholsteryIndustry Standard: 40N (ASTM D5034)
Our Base: 50N ▲
Our Advanced: 60N ▲▲ (ASTM D5034)		Base: 25% stronger than standard (ideal for heavy fabrics)
Advanced: 50% stronger than standard (withstands extreme stress)		Advanced: 30% higher cost due to reinforced bonding
Material CompositionApparel, home textilesIndustry Standard: 80% polyester (ISO 1800)
Our Base/Advanced: 100% high-tenacity polyester (ISO 1800:2019)		Base/Advanced: Uniform thickness and reduced breakage (vs blended materials)Base/Advanced: Less flexible than cotton-based threads
Eco-Friendly CertificationsSustainable fashion, medical textilesIndustry Standard: No certification
Our Base/Advanced: OEKO-TEX® Standard 100 (free from harmful chemicals)		Base/Advanced: Safe for sensitive skin and eco-conscious projectsBase/Advanced: Limited color palette in eco-certified variants
Yarn TypeEmbroidery, decorative stitchingIndustry Standard: Spun yarn (ISO 2061)
Our Base: Spun + filament blend
Our Advanced: 100% filament (ISO 2061)		Advanced: Smoother finish and reduced fraying (ideal for detailed work)Advanced: Less stretch compared to spun yarn
Braiding TechniqueIndustrial缝纫, heavy-duty缝补Industry Standard: Single-braided
Our Base: Double-braided ▲
Our Advanced: Triple-braided ▲▲ (ASTM D3339)		Advanced: 40% stronger structure for high-tension缝纫Advanced: Stiffer texture may require specialized needles
Bonded TechnologyPreventing fraying in缝制Industry Standard: Unbonded
Our Base: Light PU bonding ▲
Our Advanced: Reinforced PU bonding ▲▲ (ASTM D412)		Advanced: 3x less fraying during缝制 (ideal for high-speed machines)Advanced: Slightly reduced flexibility for hand缝制

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