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.
Flame-Retardant Nonwoven Fabric is a specialized high-performance material engineered to provide fire resistance, insulation, and protection across a wide range of industrial, electrical, and consumer applications. Unlike woven or knitted fabrics, nonwoven fabrics are manufactured by directly bonding fibers through thermal bonding, needle punching, hydroentangling, or spunbond processes. This creates a uniform, durable, and lightweight structure that combines mechanical strength with flame-retardant properties.
Flame-retardant nonwoven fabrics are primarily composed of high-quality synthetic fibers such as polyester (PET) or polypropylene (PP) that are treated with flame-retardant additives. These additives ensure that the material resists ignition, prevents flame spread, and maintains structural integrity under high temperatures. The fabric is also designed for moisture resistance, chemical stability, and mechanical durability, making it suitable for challenging industrial environments.
This type of nonwoven fabric is widely used in electrical insulation, automotive safety, industrial machinery, filtration, and protective garments. With compliance to international standards such as UL, EN, RoHS, and REACH, flame-retardant nonwoven fabrics meet the increasing global demand for safety and sustainability in manufacturing and construction.
Flame-retardant nonwoven fabrics are engineered to precise specifications to ensure safety, performance, and durability:
Material Composition: 100% polyester (PET), polypropylene (PP), or blended fibers with flame-retardant treatment
Manufacturing Process: Thermal bonding, needle punching, hydroentangling, or spunbonding
Fabric Weight: 20 g/m² – 400 g/m², customizable according to application
Thickness: 0.2 mm – 5 mm, adjustable for insulation, protection, or fire safety
Fiber Orientation: Random or oriented to optimize tensile and mechanical strength
Tensile Strength: High longitudinal and transverse strength for durability
Flame Retardancy: UL 94 V-0, EN ISO 13501-1, or equivalent international standards
Thermal Resistance: Continuous operation up to 150°C; able to withstand short-term heat spikes
Moisture Resistance: Low water absorption to preserve thermal and mechanical performance
Color: White, grey, or customizable colors
Eco Compliance: Recyclable, RoHS and REACH compliant
These specifications ensure that flame-retardant nonwoven fabrics perform reliably in environments requiring fire protection, electrical insulation, or thermal stability.
Flame-retardant nonwoven fabric is highly versatile and is used across multiple industries requiring fire safety and insulation:
Insulation for transformers, motors, and generators
Dielectric barriers in high-voltage equipment
Thermal and fire-resistant layers in battery packs and power supply units
Winding insulation and separation layers
Flame-retardant insulation for electric and hybrid vehicle batteries
Wire harness protection with fire safety compliance
Cabin insulation, soundproofing, and vibration damping
Fire-resistant interior linings and protective layers
Insulation for electrical panels, switchgear, and machinery
Protective layers for industrial equipment and electronics
Reinforcement in composites requiring fire resistance
Fire-retardant air and liquid filtration media
Oil-absorption pads and industrial spill control fabrics
Cleanroom and laboratory fire-safe insulation materials
Fire-resistant insulation in adapters, chargers, and power electronics
Thermal management and protective layers for sensitive electronic devices
Flame-retardant garments for industrial workers
Safety gloves, masks, and drapes requiring fire-resistant properties
Protective padding and liners in high-risk environments
Fire-safe insulation for public buildings and construction materials
Moisture-resistant and chemical-resistant flame-retardant layers
High-temperature insulation for industrial manufacturing, power generation, and mechanical equipment
The versatility of flame-retardant nonwoven fabrics makes them indispensable in applications where fire safety, insulation, and mechanical performance are critical.
Proper handling and installation of flame-retardant nonwoven fabrics are essential for maintaining their fire-resistant properties:
Cutting and Shaping:
Use sharp scissors, rotary cutters, or laser cutting tools for precise edges. Avoid stretching to maintain fiber orientation and flame-retardant performance.
Layering and Lamination:
For insulation or protective applications, stack multiple sheets to meet thickness, mechanical, and flame-retardant specifications. Heat lamination or adhesive bonding may enhance stability.
Cleaning:
Keep fabrics free from dust, oil, and chemical contaminants before installation. Compressed air or soft brushes are recommended for cleaning.
Storage:
Store rolls in a cool, dry, and ventilated environment away from direct sunlight, high humidity, and extreme temperatures to preserve flame-retardant and mechanical properties.
Safety Precautions:
Wear gloves when handling large rolls. Avoid inhaling fine fibers during cutting or processing, even though most synthetic fibers are non-toxic.
Q1: What makes flame-retardant nonwoven fabric superior to standard nonwoven fabrics?
A1: It combines mechanical strength with fire resistance, preventing ignition and flame spread, making it ideal for safety-critical applications.
Q2: Can the fabric be customized for specific industrial or electrical applications?
A2: Yes. Weight, thickness, fiber composition, flame-retardant treatment, and surface properties can be tailored to meet diverse requirements.
Q3: What flame-retardant standards does it meet?
A3: Many products meet UL 94 V-0, EN ISO 13501-1, or equivalent international standards. Custom certifications are available depending on client needs.
Q4: Is it suitable for humid or industrial environments?
A4: Yes. Polyester and polypropylene fibers with flame-retardant treatment maintain performance in high-humidity or chemically aggressive environments.
Q5: How should it be installed to maximize fire safety?
A5: Layers should be stacked according to design specifications. Adhesive or heat bonding may be used to enhance stability, avoiding excessive compression.
Q6: Is this material environmentally friendly?
A6: Yes. Many flame-retardant nonwoven fabrics are recyclable, RoHS and REACH compliant, and produced using energy-efficient methods.
Q7: Can it be used in automotive electrical systems?
A7: Absolutely. Its fire-resistant properties, thermal stability, and mechanical durability make it ideal for battery insulation, wire harness protection, and interior linings.
Lightweight, flexible, and durable
Excellent fire-resistant and thermal performance
High mechanical strength and dimensional stability
Low moisture absorption and chemical resistance
Customizable for weight, thickness, fiber type, and flame-retardant standards
Eco-friendly and recyclable
Versatile across electrical, automotive, industrial, consumer, and protective applications
Enhances safety in high-risk environments
Flame-Retardant Nonwoven Fabric is a versatile, high-performance material engineered for insulation, fire safety, thermal management, and protection. Its combination of uniform fiber structure, mechanical strength, dielectric performance, and flame-retardant properties makes it indispensable in electrical, automotive, industrial, and consumer applications. Proper handling, installation, and storage ensure long-term durability, fire safety, and reliability. With customizable specifications, regulatory compliance, and environmentally responsible production, flame-retardant nonwoven fabric is the ideal choice for manufacturers, engineers, and designers seeking high-quality, safe, and efficient solutions.
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