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Thermal Bonding Yarn

-- Steady & Reliable Manufacturer --

Overview

GC FIBER thermal bonding yarn is a heavier-denier low-melt filament designed for nonwoven and technical fabric lines, where it is blended or laid with base fibers and then bonded in an oven, calender, or through-air bonding unit instead of being stitched. Nonwoven converters, filter media makers, and automotive interior suppliers use it as a binder fiber that melts at a set point, wets out the surrounding fibers, and locks the web together on cooling. We supply it in the denier and melt point ranges common to spunbond, needle-punch, and airlaid lines, with batch data confirming bonding performance before it leaves the factory.

Related products

Services

We insist on timely and fast service, the implementation of all-weather tracking service, adequate spare parts inventory, so that our customers have no worries.

  • Wide Variety

    Wide Variety

    Design & Manufacturing. In stock or customizable.

  • Sample and Catalog

    Sample & Catalog

    OEM/ODM available.

  • Production and Delivery

    Production & Delivery

    Flexible production and delivery policies

  • Business Experience

    Business

    Over 19 years of experience in eco-friendly textile products

CompositionLow-melt copolyester binder filament; bicomponent sheath-core option available
Melting Point Range110 degrees C - 180 degrees C depending on bonding process
Denier / Decitex150D - 600D, heavier counts for web strength
Fiber FormContinuous filament tow or cut staple length on request
Recommended Blend Ratio15% - 30% binder content by weight, project dependent
Bonding Method CompatibilityThrough-air oven, calender rollers, needle-punch pre-bonding
Tensile Strength3.0 - 4.5 cN/dtex
ColorNatural white standard; black available for automotive and filtration lines
Standard PackagingBaled tow, cut staple in cartons, or bulk cones for filament use
Minimum Order500kg for stock specification, 1 ton for bicomponent or custom melt point
CertificationISO 9001 factory, REACH compliance documentation on request

Applications

  • Spunbond and needle-punch nonwoven bonding replaces or reduces adhesive spray by melting in-line during the bonding stage.
  • Automotive headliners and interior panels bonds fiber layers into rigid or semi-rigid panels without solvent-based adhesives.
  • Filter media reinforcement stabilizes fiber layers so pleated filters keep their shape under airflow pressure.
  • Geotextile and construction fabric stabilization locks fiber webs together for consistent tensile performance in ground applications.
  • Mattress and cushion padding bonds loft fiber layers to hold shape and resist compression over repeated use.

Advantages

  • Wide bonding process compatibility runs on through-air ovens, calender lines, and needle-punch pre-bonding stages without reformulation.
  • Bicomponent option available sheath-core structure keeps core fiber strength while the sheath does the bonding, useful for load-bearing nonwovens.
  • Reduces or removes spray adhesive cuts VOC exposure and adhesive cost per meter of finished web.
  • Batch-tested blend ratio guidance we share recommended binder content by application so your line trial starts closer to target loft and strength.
  • Cut staple or continuous filament supplied in the form your carding or spunbond line is already set up to run.

Payment & Shipping

  • Payment terms 30% T/T deposit, balance before shipment; L/C at sight or Trade Assurance available for container-load orders.
  • Sample policy lab-scale samples for bonding trials ship in 5-7 days with a technical data sheet.
  • Lead time 15-20 days for stock filament or staple, up to 30 days for bicomponent or custom melt point runs.
  • Shipping methods FOB Ningbo or Shanghai; baled tow and staple ship by sea freight, filament samples by air or express courier.
  • Export packing compressed bales or cartons on pallets, moisture-barrier wrapped for ocean freight.
  • Q: How is thermal bonding yarn different from hot melt yarn?
  • A: Both soften under heat, but thermal bonding yarn is generally a heavier denier binder fiber built for nonwoven web bonding in an oven or calender line, while hot melt yarn is typically finer and used for stitch-free bonding in garment or accessory assembly.
  • Q: What binder fiber ratio should we start with in our nonwoven blend?
  • A: Most through-air bonded nonwovens run well at 15% to 20% binder content by weight; heavier, stiffer applications like filter media or automotive panels may need up to 30%, and we can advise based on your target GSM and end use.
  • Q: Can this yarn be used in a needle-punch line before thermal bonding?
  • A: Yes, it is commonly laid in as a filament or blended as staple fiber during carding, mechanically bonded by needle-punch, and then thermally activated afterward for added strength.
  • Q: Is the bicomponent version worth the extra cost over standard filament?
  • A: If your application needs both bonding and load-bearing strength, such as automotive panels or heavy filter media, the sheath-core structure keeps more core tensile strength intact after bonding, which usually justifies the price difference.
  • Q: What documentation can you provide for compliance checks?
  • A: We can supply REACH compliance documentation, a technical data sheet with melting point and tensile data, and a certificate of conformity per shipment on request.
About
GC FIBER
GC FIBER has been a special textile factory in China since 2006 years. We are devoted to researching, developing, producing, and selling special and functional eco-friendly textile products.
Our products include Biodegradable Yarn, Low Melting Yarn, ECDP Yarn, Anti Static Yarn, HDPE Yarn, Bio-component Yarn, and Polyester Filament Yarn.
We are always interested in cooperating with our guests to develop new material.

WHY WE ARE SO TRUSTED

We have got a high reputation in both domestic and overseas markets.

Professional

We will communicate with customers professionally, listen to their opinions and give useful suggestions, and spend time and energy to solve every problem, no matter all the problems you encounter.

Quality

We have strict quality control requirements and the advanced testing equipment in the industry. Every process has professionals to conduct inspections to ensure product quality.

Cost

We have a number of production lines, a number of production machines, comprehensively improve product quality and production efficiency.

Design and R&D

We devote to research, development, production and sales of special and functional eco-friendly textile product.

Diversity

Our product includes PBS biodegradable product, recycled easy dyeing cationic yarn, PLA yarn, Low melting yarn, Anti-Static yarn ,PBS fiber, PLA fiber, FR nylon fiber etc.

Capacity

The company has sufficient production capacity and high control over raw material prices, quality and stable supply, which can meet the needs of customers with different procurement volumes.

Service

We insist on timely and fast service, the implementation of all-weather tracking service, adequate spare parts inventory, so that our customers have no worries.

Shipment

We are near Ningbo Port and Shanghai Port, and are very convenient and quick to transport cargo to other national capitals.

Diversified Professional Team

GC FIBER has unique sales, research and development, design, production departments and expertise to provide customers and stakeholders in various industries with specialty, functional and environmentally friendly textiles.

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