Product Specifications:
Thickness | Width |
0.03-0.15mm | 510-1500mm |
Product Color: Can be customized according to customer needs (minimum order quantity is 6 tons).
I. Product Introduction:
Our factory produces electrical polyester fiber nonwoven fabric (7031), which is made from polyester staple fiber (PET) using a thermal bonding method and mechanically carded into a web, resulting in oriented fiber distribution.
It features high heat resistance, excellent impregnation and dielectric properties, a uniform and smooth fabric surface, small thickness deviation, high tensile strength, and a neat appearance.
II. Specific Requirements:
1. Appearance:
The surface of the nonwoven fabric should be uniform and flat, neatly rolled, and free from damage and contamination. Neps and fiber bundles are permissible within the thickness tolerance range.
2. Dimensions:
(1) 7031 nonwoven fabric is supplied in rolls, each roll having a diameter of not less than 250mm, with no more than three sections per roll, the smallest section being not less than 100mm, and each section clearly marked. The inner diameter of the paper tube is 76mm.
(2) The maximum width of 7031 nonwoven fabric is 1560mm, with a permissible deviation of ±5mm.
(3) The thickness and permissible deviation of 7031 nonwoven fabric should conform to the provisions of Table 1.
(4) Other sizes and specifications of nonwoven fabric can be specified according to the contract.
(5) The physical and mechanical properties of the nonwoven fabric should conform to the relevant provisions of Table 1.
Table 1
Number | Performance | Unit | Required nominal thickness (mm) | 0.03 | 0.035 | 0.04 | 0.05 | 0.06 | 0.07 | 0.08 | 0.1 | 0.12 | 0.13 | 0.15 | |
1 | Quantitative | g/㎡ | 21 | 24 | 28 | 35 | 42 | 49 | 56 | 70 | 85 | 91 | 100 | ||
2 | Quantitative Inequality | ％ | ≤10 | ||||||||||||
3 | Apparent density | g/cm² | 0.65±0.10 0.70±0.10 | ||||||||||||
4 | Tensile strength | Vertical | N/50mm | ≥30 | ≥35 | ≥40 | ≥60 | ≥70 | ≥80 | ≥90 | ≥100 | ≥150 | ≥200 | ≥240 | |
Horizontal | Width | ≥6 | ≥8 | ≥10 | ≥20 | ≥22 | ≥25 | ≥27 | ≥30 | ≥50 | ≥70 | ≥100 | |||
5 | Elongation at break | Vertical | ％ | ≥6 | ≥6 | ≥6 | ≥6 | ≥6 | ≥8 | ≥8 | ≥10 | ≥10 | ≥10 | ≥10 | |
Horizontal | ％ | ≥3 | ≥3 | ≥3 | ≥3 | ≥3 | ≥5 | ≥5 | ≥5 | ≥5 | ≥8 | ≥8 | |||
6 | Thermal shrinkage rate | ％ | ≤4 ≤3 | ||||||||||||
Remark | Heat shrinkage test conditions：150℃，1 hour | ||||||||||||||
III. Physical and Mechanical Properties of 7031 Nonwoven Fabric
1. Packaging: Each roll of nonwoven fabric is wrapped in a plastic film, then an outer waterproof woven bag. The ends of the core are sealed with corresponding plastic cores. The inner tube is a 1.8cm thick high-pressure paper tube.
2. Marking: The outer packaging bag should be marked with the manufacturer, product name, model, specifications, batch number, net weight, production date, etc.
3. Storage: 7031 nonwoven fabric should be stored in a cool, dry, clean, and well-ventilated warehouse below 40℃. It should not be near fire sources or heating, and should not be exposed to direct sunlight. The shelf life is one year.
IV. Scope of application:
Widely used in composite materials (DMD, DM, DMDM), mica tape reinforcing materials, electrical laminates, insulating varnish cloth base fabric, and end wrapping of electrical appliances, transformers, and motor coils. It is also suitable for small and flexible cables, household electrical cables, communication optical cables, and can replace various types of paper insulation materials.
Nonwoven Fabric is a versatile, high-performance material engineered for a wide range of industrial, medical, and consumer applications. Unlike traditional woven or knitted textiles, nonwoven fabrics are made by bonding fibers directly through mechanical, chemical, or thermal processes. This results in a uniform, lightweight, and durable structure that offers excellent mechanical strength, filtration efficiency, insulation, and barrier properties.
Nonwoven fabrics can be manufactured from a variety of fibers, including synthetic fibers such as polyester (PET), polypropylene (PP), and natural fibers like cotton or viscose. The fabric’s performance can be enhanced through surface treatments, flame-retardant additives, or chemical coatings, making it suitable for specialized applications such as medical protection, filtration, automotive interiors, insulation, and packaging.
The unique structure of nonwoven fabrics allows customization of thickness, density, porosity, and fiber orientation, providing precise control over mechanical, thermal, and barrier properties. Nonwoven fabrics are widely valued for their high production efficiency, recyclability, cost-effectiveness, and versatility.
Nonwoven fabrics are engineered to specific standards to meet performance requirements for different applications. Typical parameters include:
Material Composition: 100% polyester (PET), polypropylene (PP), polyethylene (PE), cotton, or blended fibers
Manufacturing Process: Spunbond, melt-blown, needle-punched, hydroentangled, or thermal bonding
Fabric Weight: 20 g/m² – 400 g/m², customizable for each application
Thickness: 0.1 mm – 5 mm, depending on desired mechanical and thermal performance
Fiber Orientation: Random or oriented to enhance tensile and tear strength
Tensile Strength: Adjustable, generally high in both longitudinal and transverse directions
Porosity: Controlled to optimize filtration, liquid absorption, or breathability
Thermal Resistance: Depending on fiber type, can withstand continuous operation up to 150°C
Moisture Absorption: Low to moderate, depending on hydrophobic or hydrophilic fiber selection
Flame Retardancy: Optional, depending on application requirements
Color: White, grey, or customizable
Eco Compliance: Recyclable, RoHS and REACH compliant
These parameters ensure that nonwoven fabrics perform reliably in industrial, medical, filtration, and consumer applications.
Nonwoven fabrics are highly versatile and used in numerous industries due to their customizable properties:
Surgical gowns, masks, caps, and shoe covers
Disposable medical drapes and bed sheets
Sanitary napkins, diapers, and incontinence products
Wipes for medical and personal hygiene
Filtration media for air, water, and oil
Geotextiles for soil stabilization, drainage, and erosion control
Protective clothing for industrial workers
Insulation layers in electrical and mechanical equipment
Interior linings and upholstery
Insulation and cushioning layers
Noise and vibration dampening materials
Cleaning wipes, dusters, and absorbent pads
Disposable tablecloths, aprons, and covers
Packaging and protective layers for goods in transit
Oil spill absorbents
Mulch mats and erosion control fabrics
Water filtration and purification media
Flame-retardant nonwoven fabrics for fire safety
High-temperature resistant layers for industrial machinery
Hydrophobic or hydrophilic fabrics for liquid management
The adaptability of nonwoven fabrics makes them essential in industries ranging from healthcare and consumer goods to automotive, filtration, and construction.
Proper handling and usage are crucial to maintain the performance of nonwoven fabrics:
Cutting and Shaping:
Use sharp scissors, rotary cutters, or laser cutters for precise edges. Avoid stretching to prevent deformation of fiber structure.
Layering and Assembly:
Multiple layers may be stacked for filtration, cushioning, or insulation purposes. Adhesive bonding or heat lamination can enhance structural stability.
Cleaning:
Nonwoven fabrics are generally disposable or low-maintenance, but reusable types should be cleaned according to fiber compatibility. Avoid harsh chemicals unless the fabric is treated for chemical resistance.
Storage:
Store rolls or sheets in a cool, dry environment, away from direct sunlight, excessive humidity, or high temperatures to maintain mechanical and barrier properties.
Safety Precautions:
Wear protective gloves when handling large rolls or industrial-grade nonwoven fabrics. Avoid inhaling fibers during cutting or processing.
Q1: How is nonwoven fabric different from woven or knitted fabrics?
A1: Nonwoven fabrics are bonded directly without weaving or knitting. This provides uniformity, high porosity, and flexibility for specific applications such as filtration, insulation, and medical protection.
Q2: Can nonwoven fabrics be customized for different applications?
A2: Yes. Fiber type, thickness, weight, porosity, flame-retardant treatment, and surface coatings can all be tailored for particular requirements.
Q3: Are nonwoven fabrics environmentally friendly?
A3: Many nonwoven fabrics are recyclable and produced using energy-efficient processes. Compliance with RoHS and REACH ensures eco-friendly usage.
Q4: Can nonwoven fabrics be reused?
A4: It depends on the type. Medical or hygiene nonwovens are usually disposable, while industrial nonwovens used in filtration, geotextiles, or automotive applications may be reusable.
Q5: How do I maintain the properties of nonwoven fabrics during storage?
A5: Store them in a cool, dry, ventilated space, protected from sunlight, humidity, and extreme temperatures. Avoid compression to maintain porosity and mechanical properties.
Q6: Can nonwoven fabrics be flame-retardant?
A6: Yes. Many nonwoven fabrics are treated to be flame-retardant, meeting UL, EN, or other international standards for fire safety.
Q7: Are nonwoven fabrics suitable for high-temperature applications?
A7: Certain synthetic fibers like polyester or aramid can withstand continuous operation up to 150°C, while specialized variants can tolerate even higher temperatures.
Lightweight, flexible, and strong
Customizable thickness, weight, and porosity
Excellent filtration, insulation, and barrier properties
High mechanical strength and dimensional stability
Flame-retardant and high-temperature resistant options available
Cost-effective and efficient production
Eco-friendly and recyclable
Versatile across healthcare, industrial, automotive, consumer, and environmental applications
Nonwoven Fabric is a versatile, high-performance material engineered for a wide range of applications, including medical, industrial, automotive, consumer, and environmental uses. Its unique manufacturing process, customizable properties, and combination of mechanical strength, insulation, filtration, and barrier capabilities make it indispensable in modern industry. Proper handling, storage, and usage ensure long-term performance, while specialized treatments such as flame retardancy or chemical resistance expand its utility. Nonwoven fabrics continue to be a leading choice for manufacturers, engineers, and designers seeking durable, lightweight, and versatile material solutions.
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