GREY Nonwoven Fiber Insole Board
Material:Fiber
Thickness:1.2-3.0mm
Width:1*1.5m
Color:Various colors can be customized
MOQ:500Sheets
Term of Payment:By T/T, 30% deposit and 70% balance payment before delivery
- Fast Delievery
- Quality Assurance
- 24/7 Customer Service
Product Introduction
One-stop shoe material Factory in China
We supply premium shoe materials and industrial raw materials. As a trusted shoe material supplier, we provide bespoke customization, competitive pricing and efficient fast delivery.
Meta Description
Industrial gray nonwoven fiber insole board (1.0 mm – 3.0 mm) for footwear manufacturing. High flex resistance, moisture absorption, SATRA certified. Ideal for casual, safety, and dress shoes. Free samples!
Gray nonwoven fiber insole board (also referred to as nonwoven lasting board or synthetic fiber footbed board) is an engineered structural foundation sheet used in footwear manufacturing. Positioned directly between the outsole assembly and the sockliner, this board acts as the central structural backbone of the shoe, maintaining rearfoot rigidity, facilitating lasting margin cement bonding, and allowing natural forefoot flex. Manufactured from a needle-punched matrix of recycled polyester (PET) synthetic fibers, cellulose pulp, and elastomeric latex binders, its characteristic gray color signifies a high-density fiber blend that resists internal foot moisture, edge fraying, and delamination. Solamni produces this material in standard sheet sizes (0.914 m × 1.52 m / 36" × 60" and 1.00 m × 1.50 m) across precision thickness gauges (0.8 mm – 3.0 mm).
Technical Specifications Matrix
| Engineering Property | Physical / Chemical Specification Benchmark | Test Standard Reference |
|---|---|---|
| Fiber Composition | Recycled Polyester (PET) / Polypropylene / Cellulose Fiber Matrix | ISO 1833 |
| Thickness Selection | 0.80 mm – 3.00 mm (± 0.05 mm) | ISO 23529 |
| Apparent Density | 0.55 g/cm³ – 0.85 g/cm³ | ISO 564 |
| Tensile Strength (Longitudinal/Transverse) | ≥ 12.0 MPa / ≥ 10.0 MPa | ISO 1924‑2 / SATRA TM2 |
| Delamination / Layer Peel Strength | ≥ 1.8 N/mm (High internal bond strength; zero split during lasting) | SATRA TM3 |
| Flexural Fatigue Resistance | ≥ 100,000 Cycles (Zero cracking or structural softening) | SATRA TM3 / ISO 5402 |
| Moisture Absorption / Desorption | Absorption: ≥ 35% / Desorption: ≥ 80% (Vents internal foot perspiration) | SATRA TM8 |
| Environmental Safety | REACH SVHC compliant, Formamide‑Free, Low VOC, Recyclable Fiber Matrix | ISO 17025 |
Manufacturing & Lasting Line Integration
Integrating gray nonwoven fiber insole board into shoe lasting lines provides clean die-cutting and reliable cement adhesion:
Footwear Assembly Process Flow:
- Sheet Stock Inspection
- Automated Hydraulic / CNC Die‑Cutting
- Shank & Heel Cushion Stitching
- Moisture Conditioning & Thermo‑Forming
- Upper Lasting Cement Bonding
- Finished Shoe Assembly
- Precision Die-Cutting: High-density needle-punched construction ensures clean, burr-free edges when stamped with steel clicker dies or cut via CNC drag knives.
- Conforming & Molding: The sheet accepts moisture conditioning and mild heat to mold precisely to the longitudinal arch and heel cup contours of the shoe last.
- Cement Lasting Bond: The surface texture accepts polychloroprene, polyurethane (PU), and hot-melt lasting adhesives, ensuring a permanent bond between the upper lasting margin, insole board, and outsole.
Industrial Application Scenarios
Solamni Gray nonwoven fiber insole boards are specified across various footwear manufacturing segments:
- Casual Footwear & Sneakers: Lightweight, flexible 1.0 mm – 1.5 mm boards providing stable underfoot support and breathability for daily wear.
- Work & Safety Boots: Heavy-duty 2.0 mm – 3.0 mm boards engineered for torsional stability, shank reinforcement attachment, and puncture-resistant footbeds.
- Dress Shoes & Boots: Medium-density 1.5 mm – 2.2 mm boards that maintain crisp perimeter lines along the lasting margin without telegraphing through thin upper leathers.
Frequently Asked Questions (FAQ)
Q1: What is the difference between nonwoven fiber insole board and traditional cellulose paperboard?
A1: Nonwoven fiber boards utilize synthetic polyester fibers bound by needle-punching and latex, offering significantly higher flex fatigue resistance and tear strength. Unlike pure paper/cellulose boards, nonwoven boards will not disintegrate or turn mushy when exposed to heavy sweat or water immersion.
Q2: Can steel shanks or arch supports be riveted or stapled to this board?
A2: Yes. The high internal bond strength and dense fiber matrix hold steel or fiberglass arch shanks, metal rivets, and lasting staples securely without tearing out or cracking under foot pressure.
Q3: What is the lead time for standard sheet sizes, custom gauges, and sample swatches?
A3: We maintain warehouse inventory of standard gray sheets in 1.2 mm, 1.5 mm, 1.75 mm, 2.0 mm, and 2.5 mm gauges for dispatch within 48 hours. Custom densities, anti-static treatments, or custom sheet conversions carry an MOQ of 1,000 sheets, with sample packs shipped in 3 to 5 business days. Technical specialist Jason Lee provides engineering assistance within 12 hours.
Products Shows
Why Choose Us
why choose our products
We specialize in providing material high-quality for industrial applications. Our focus on B2B sourcing ensures that you get the best prices for large orders, with the flexibility to customize the fabric to meet your specific needs. Whether you require bulk quantities for production or specialized orders, we can help you achieve your goals with fast delivery and exceptional customer support.
Bulk Sourcing: Competitive pricing for large-scale orders.
Customization: Flexible solutions tailored to your industry needs.
Global Shipping: Fast, reliable delivery to international markets.
High-Quality Standards: Rigorous testing and quality assurance to ensure performance and durability.
Our Advantage
1
Pick and choose high quality raw materials.
2
Employ experienced workers, use professional machines
3
Make casual inspection regularly during the process of production.
4
we have a QC team to control the making process for every order. And also makes double checks to an AQL of clients choosing before packaging.
5
Keep on a strict quality standard.
F A Q
A:About 25-35 days after confirm the details .
A:30% in advance, 70% in the period of shipment, or 50% in advance, 50% in the period of shipment. Depends on order quantity.
A:We accept T/T, Paypal,West union ,FOB and so on.
30% deposit in advance and balance before shipment.
A: 3-5 days after confirming all details, and samples for free.
Solamni Import And Export Co., Ltd.
We sincerely welcome friends from all over the world to cooperate with us on the basis of long-term mutual benefits. We are looking forward to receiving your enquiries soon.
Email:ace01@eurus-cn.com Phone+8613459576329
Whatsapp+8613459576329
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