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Pre-Colored Green ES EP Composite Staple Fiber 3D*51MM, Adhesive-Free Thermal Bonding Hygiene & Packaging Fiber

Product Summary
Pre-Colored Green ES EP Composite Staple Fiber 3D×51MM Product Overview Our 3D×51MM green ES blended EP bi-component staple fiber is a cost-effective high-performance thermal bonding nonwoven raw material, scientifically formulated from classic PE/PET ES fiber and PE/PP EP fiber. It combines the ...
Basic Properties
Place of Origin: China
Brand Name: Octopus fiber
Certification: 51545523-1335
Model Number: 3D*51MM
Trading Properties
Minimum Order Quantity: Starting from 1 ton
Price: Free samples sent
Payment Terms: L/C,T/T,D/P
Supply Ability: Customized according to the quantity required by your company
Product Description
Pre-Colored Green ES EP Composite Staple Fiber 3D×51MM
Product Overview

Our 3D×51MM green ES blended EP bi-component staple fiber is a cost-effective high-performance thermal bonding nonwoven raw material, scientifically formulated from classic PE/PET ES fiber and PE/PP EP fiber. It combines the advantages of both materials, integrating low-temperature bonding, high bulk softness, excellent color fastness and outstanding cost performance.

Specifications can be customized

Technical Specifications
Item Detailed Parameter
Product Name 3D×51MM Green ES Blended EP Sheath-Core Bi-Component Staple Fiber
Standard Spec 3D Medium Denier, 51mm Standard Fixed Cut Length
Fiber Structure Concentric sheath-core bicomponent structure, uniform blend of ES and EP fibers
Sheath Material 100% Food-Grade Polyethylene (PE), melting point 110-120°C, for thermal bonding
Core Material ES core: Polyester (PET); EP core: Polypropylene (PP), provide structural strength & bulk
Blending Ratio Standard ES:EP = 50:50 (customizable ratio according to performance requirements)
Coloring Process Spun-dyed / mass pigmentation, green pigment added during melt spinning, no post-dyeing
Color Fastness ≥ Grade 4 washing & rubbing fastness, no color migration, no fading after heating & washing
Breaking Tenacity ≥2.5 cN/dtex, stable mechanical strength for carding & web forming
Crimp Number 10-12 crimps / 25mm, moderate 3D crimp, high bulk & good fiber cohesion
Oil Content 0.10%-0.15%, uniform antistatic oiling, smooth processing with low fly waste
Bonding Feature PE sheath melts evenly at low temperature, firm inter-fiber bond, no chemical adhesive needed
Safety Standard FDA food contact compliant, REACH registered, free of heavy metals & harmful substances
Compatible Process Air through bonding, thermal calendering, needle punching, air laid, carded web
Main Application Hot air cotton, air filter, hygiene nonwoven, food packaging, automotive interior, horticultural fabric
Package 25kg Clean Moisture-Proof Woven Bag, Pallet Packed for Global Bulk Export Shipment
Core Advantages
1. Scientific ES + EP Blending Formula, Balanced Performance & Cost Efficiency

This product is a uniform blend of classic ES (PE/PET) and EP (PE/PP) bi-component fibers, leveraging the strengths of both materials. ES fiber delivers excellent bonding strength, high temperature resistance and dimensional stability, while EP fiber brings superior bulkiness, soft cushioning and lower material cost.

2. Spun-Dyed Green Color, Permanent No Fading & Eco-Friendly

Adopting advanced mass pigmentation technology, the green colorant is evenly added into the polymer melt during the spinning stage, instead of post-dyeing treatment. The color is firmly fixed inside the fiber body, achieving washing and rubbing fastness above Grade 4.

3. Low Temperature PE Sheath Bonding, Adhesive-Free & Food-Grade Safe

Both ES and EP fibers adopt a concentric sheath-core structure with food-grade PE as the outer layer. The PE sheath melts fully and uniformly at 110-120°C to form stable physical bonding points between fibers. No chemical adhesives, glues or binders are required.

4. 3D Medium Denier + 51mm Universal Length, Wide Process Compatibility

The 3D medium denier specification perfectly balances fiber strength, bulkiness and softness. The 51mm standard cut length is universally compatible with all mainstream carding machines, air through bonding lines, needle punching machines and air laid equipment worldwide.

5. Moderate 3D Crimp, High Bulk & Uniform Web Formation

The fiber is designed with moderate three-dimensional crimp, which brings excellent inter-fiber cohesion and high fluffy bulk. After carding and web forming, the fiber web has uniform surface weight, no streak defects and good three-dimensional fluffiness.

Application Scenarios
  • Air Filtration & Hot Air Cotton: HEPA filter cotton, air purifier filter element, mask hot air cotton, industrial dust filtration material, HVAC filter media
  • Disposable Hygiene Products: Sanitary napkin acquisition layer, diaper diversion layer, wet wipe substrate, disposable medical nonwoven fabric
  • Food Contact Packaging: Food packaging buffer, disposable tableware lining, fruit and vegetable packaging nonwoven, takeaway food insulation layer
  • Automotive & Interior Decoration: Car interior sound insulation cotton, ceiling felt, door trim fabric, trunk lining buffer, seat cushion filling layer
  • Horticultural & Agricultural Textile: Greenhouse sunshade nonwoven, seedling raising fabric, weed control fabric, plant protection covering cloth
  • Home & Industrial Use: Furniture sound insulation cotton, mattress comfort layer, industrial wiping cloth, thermal insulation wadding, gift box buffer filling
Product Gallery
Frequently Asked Questions
Q1: What is the composition of this ES blended EP fiber? What are the respective advantages?
A1: It is a uniform blend of ES (PE/PET sheath-core) and EP (PE/PP sheath-core) bi-component fibers. ES provides high bonding strength and dimensional stability, while EP brings better bulkiness and cost advantage. Standard ratio is 50:50, customizable.
Q2: How is the green color made? Will it fade or migrate after heating?
A2: It adopts spun-dyed / mass pigmentation technology. Color is added during melt spinning and fixed inside the fiber. Washing & rubbing fastness is ≥ Grade 4, no fading or color migration even after high temperature bonding and washing.
Q3: What is the melting point? Is chemical adhesive needed for bonding?
A3: The PE sheath melts at 110-120°C for thermal bonding. No chemical adhesive is needed at all. It forms firm physical inter-fiber bonds, eco-friendly and free of VOC residues.
Q4: Is 51mm length compatible with hot air cotton and needle punching production lines?
A4: Yes, 51mm is a standard universal length for nonwoven industry, fully compatible with carding, air through bonding, needle punching and air laid equipment, can be directly used for production.
Q5: Can I adjust the blending ratio of ES and EP? Can other colors be customized?
A5: Absolutely. We support customized ES/EP blending ratio, fiber denier, cut length and color shades according to your product performance and appearance requirements.
Q6: Does this fiber meet food contact safety standards?
A6: Yes. It uses food-grade PE raw material, free of heavy metals and harmful substances, meets FDA food contact standards and REACH regulations, safe for food packaging and hygiene products.
Q7: Can I get free samples for bonding test and color confirmation?
A7: Small test samples are provided free of charge for melting point test, bonding trial, color fastness verification and production line trial production.
Product Details
Name: ES EP Composite Fiber Green
Specification: 3D*51MM
Native/Regenerative: Native
Color: Light Green
More Sizes: Customizable
Siliconized/Non-Silicified: Non-silicified

Ms. Heidi

Overseas Sales Manager

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