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Tex70 100% Polyester Sewing Thread High Tenacity Thread High Strength Thread 250g for Bag Sofa

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Performance Sewing & Embroidery: Designed for durable stitching in applications like garment production, upholstery, and heavy-duty embroidery, leveraging 100% nylon and polyester blends for exceptional strength and flexibility.
  • Versatile Material Compatibility: Supports a wide range of fabrics, including leather, canvas, and synthetic materials, thanks to its high tenacity, chemical resistance, and low shrinkage properties.

Key features

  • 1. Material Technology

  • With chemical-resistant 100% nylon and braided construction, ensure durability in harsh environments like industrial sewing. ~30% stronger than standard polyester threads*

  • 2. Interactive Design

  • With protective red caps on spools, prevent dust and moisture damage, ensuring smooth thread retrieval. Reduces thread tangling by 40% compared to traditional spools*

  • 3. Performance Parameters

  • With minimal shrinkage and high tenacity, maintain consistent stitching quality under high-speed sewing. Outperforms cotton threads in durability by 45%*

  • 4. Scenario Solutions

  • With versatility for embroidery, garment, and upholstery applications, adapt to both delicate crafts and heavy-duty repairs. Suitable for home and commercial use, unlike single-purpose threads*

  • 5. Certification Standards

  • With eco-friendly certification, meet global environmental standards. Reduces environmental impact compared to non-certified threads by up to 30%*

Product details

Tex70  100% Polyester Sewing Thread High Tenacity Thread High Strength Thread 250g for Bag Sofa

The 210d/3 & 3250d/3 Sewing Threads are high-performance nylon-based threads designed for durability and versatility in embroidery, garment production, and heavy-duty sewing applications. Crafted with eco-friendly dyed materials and advanced braiding/gassing techniques, these threads offer exceptional resistance to heat, water, and chemicals while maintaining low shrinkage and high elasticity.


Technical specifications

FeatureSpecificationApplication Scenario
Material100% nylon (filament yarn)Industrial sewing, upholstery, leatherwork
Denier210d/3 or 3250d/3Lightweight vs. heavy-duty projects
Temperature ResistanceUp to 150°C (ISO 1800:2016)High-heat industrial processes
Chemical ResistanceMeets ISO 105-E04 standardsChemical-exposed environments
Water ResistanceASTM D3393 compliantOutdoor textiles, marine upholstery
Elasticity15% elongation recoveryStretch fabrics, knitwear
Tensile Strength120 N/tex (high tenacity)Reinforced seams, load-bearing materials

Customization guide

Adjustable parameters to meet specialized needs:

  • Denier: Choose between 210d/3 (lightweight) or 3250d/3 (heavy-duty) for project-specific tensile requirements.
  • Color Range: Over 50 pre-dyed shades (e.g., earth tones, neutrals) or custom color matching for bulk orders.

Get inspired

With their silk-like texture and industrial-grade resilience, these threads excel in demanding applications. For example, the 3250d/3 version is ideal for reinforced upholstery, while the 210d/3 suits delicate embroidery on stretchable fabrics.


Choose your model

ParameterBase ModelAdvanced ModelPro Model
Tensile Strength100 N/tex+15% (115 N/tex)+30% (130 N/tex)*
Temperature Resistance120°C135°C150°C
Chemical ResistanceBasic (ISO 105-E04)Enhanced (ISO 105-E06)Triple industry standard
Eco-CertificationOEKO-TEX®OEKO-TEX® + RecycledOEKO-TEX® + Carbon-Neutral

*Pro Model’s tensile strength exceeds industry benchmarks by 30%.


Supplier's note

  1. Key Breakthroughs:

    • High Tenacity: 120 N/tex strength (30% stronger than standard polyester threads).
    • Extreme Heat Tolerance: 150°C resistance enables use in high-temperature industrial settings.
    • Triple-Standard Chemical Resistance: Pro Model outperforms benchmarks for acid/alkali exposure.
  2. Version Selection Guide:

    • Base Model: Ideal for home sewing, light industrial tasks, or small-scale projects.
    • Advanced Model: Suited for commercial garment production or environments with moderate chemical exposure.
    • Pro Model: Recommended for heavy-duty upholstery, marine textiles, or applications requiring extreme durability (e.g., automotive interiors).

With the Pro Model’s chemical resistance, you can safely handle harsh cleaning agents while maintaining seam integrity. Pair its high tenacity with the filament yarn structure to ensure long-term performance in demanding scenarios.

Frequently asked questions

  • Which denier thread (210d/3 or 250d/3) is best for heavy-duty upholstery projects?

  • How should I store 1kg nylon sewing threads to preserve their water-resistant and chemical-resistant properties?

  • Nylon vs Silk Thread: Which is better for delicate embroidery projects?

  • Can I order custom color blends of 1kg nylon dyed threads for bulk embroidery projects?

  • Is the 100% nylon dyed thread certified as eco-friendly and chemical-free?

  • Are 210d/3 nylon threads suitable for high-temperature industrial sewing machines?

  • How does the high tenacity of 250d/3 nylon thread compare to cotton threads in industrial sewing?

  • What makes filament yarn in 1kg nylon threads ideal for both hand and machine sewing?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionIndustrial upholstery, heavy-duty sewing100% nylon (210d/3 & 250d/3 filaments) + polyester blendOur Advanced: 250d/3 nylon (ISO 2076) for 25% higher tensile strength vs BaseBase version may lack premium nylon blends for extreme durability
Temperature ResistanceHigh-heat environments (e.g., automotive)Withstands 180°C (ASTM D543) for 30+ minsIndustry Standard: 120°C; Our Base: 150°C; Our Advanced: 180°CProlonged exposure beyond rated temps may cause filament degradation
Water ResistanceOutdoor gear, marine upholstery98% water repellency (AATCC 193-2019)Our Advanced: 98% vs Industry Standard (75%)Requires re-treatment after heavy chemical exposure
Chemical ResistanceIndustrial chemical labs, protective gearPasses ASTM F739 for 50+ chemicals (acids, solvents)Our Base: 30 chemicals; Our Advanced: 50+ chemicalsLess effective against unknown/untested chemical mixtures
Shrinkage ControlGarment sewing, embroidery<1.5% shrinkage post-wash (AATCC 61)Industry Standard: 3-5%; Our Base/Advanced: 1.5%Over-treatment may reduce fabric flexibility
Environmental ImpactEco-conscious projects100% recyclable nylon (TÜV-certified) + biodegradable coatingsOur Advanced: Carbon-neutral production vs Base (low carbon footprint)Eco-friendly coatings may slightly reduce thread abrasion resistance

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