EVA composite nonwoven insole board, cellulose fiber + EVA laminate. Thickness 0.4–3.0mm, density 0.12 g/cm³, Shore A 35°–40°. SATRA/ISO compliant. MOQ 1,000 sheets. Request spec sheet
product details
Solamni leather Introducing Our EVA composite nonwoven insole board is a laminated structural component consisting of a cellulose fiber nonwoven base bonded to an EVA foam layer via heat compression. The nonwoven layer provides dimensional stability and stitch-tear resistance, while the closed-cell EVA layer (density 0.91–0.93 g/cm³) delivers shock absorption and moisture resistance. Solamni supplies this composite in custom thicknesses (0.4mm–3.0mm EVA layer) and sheet sizes (1.0m × 1.5m standard), with REACH compliance and SATRA/ISO test documentation for footwear OEMs worldwide.
Technical Specifications Matrix
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Solamni manufactures EVA composite nonwoven insole board via heat compression lamination, with QC protocols aligned to SATRA and ISO footwear material standards.
Physical & Dimensional Verification:
Incoming cellulose fiber sheets and EVA rolls are tested for GSM consistency (±3% tolerance) and thickness uniformity. Laminated composite thickness is verified using a digital micrometer at 10 points per sheet-acceptance tolerance ±0.1mm. Density is measured per ISO 845; acceptance: 0.12 g/cm³ ±5%.
Mechanical Performance Testing:
Tensile & Tear Strength: A universal tensile tester (UTM) pulls samples at 200 mm/min per ISO 20876. Minimum acceptance: tensile strength ≥2 MPa, tear strength ≥8 N/mm.
Stiffness Measurement: Longitudinal stiffness is measured per SATRA TM10 (three-point bending test) and backpart stiffness per SATRA TM59.
Flex Fatigue: Samples are subjected to >50,000 flex cycles on a Bally flexometer. Acceptance: zero delamination between nonwoven and EVA layers, no surface cracking.
Compression Set: Per ISO 1856, samples are compressed to 50% of original thickness for 22 hours at 70°C. Acceptance: permanent deformation ≤18%.
Adhesion & Lamination Integrity:
Peel strength between nonwoven and EVA layers is validated via 180° peel test (UTM at 100 mm/min). Minimum acceptance: 2.5 N/mm. Delamination resistance is further verified through the flex fatigue test-any separation triggers batch rejection.
Moisture & Environmental Testing:
Water absorption and desorption are measured per ISO 20874 (insole material standards). EVA closed-cell structure limits water uptake to <3% by weight after 24-hour immersion. All materials are screened for heavy metals (Pb ≤90 ppm, Cd ≤10 ppm per EN 71-3) and phthalates (≤0.1% per REACH).
Factory Traceability:
Each production batch receives a unique lot number linking to EVA batch ID, nonwoven supplier certificate, lamination press operator log, and QC test results. Retained samples (3 sheets per batch) archived for 24 months. Digital Certificate of Analysis issued within 48 hours.
Industrial Application Scenarios
Footwear Manufacturing (Primary)
Athletic shoe insoles and midsoles: EVA layer absorbs impact forces from walking and running; nonwoven base provides structural integrity.
Casual and dress shoe footbeds: Moderate hardness (35°–40° Shore A) balances comfort and support for all-day wear.
Work and safety footwear: Nonwoven reinforcement resists stitch-tear from heavy-duty stitching; EVA closed-cell structure withstands sweat and oils.
Children's shoes: Lightweight construction (0.12 g/cm³) reduces overall shoe weight without sacrificing support.
Orthopedic and medical footwear: Thermoformable at 120°C–140°C enables custom 3D molding for orthotic prescriptions.
Other Applications
Orthotics and prosthetics: Cushion padding layer with structural support.
Industrial insoles: Waterproof and weather-resistant construction.
Home slipper bases: Custom padded liners with cut-to-shape capability.
Product Parameter (specification)
| Material | Nonwoven |
| Thickness | 1.0-5.5MM |
| Width | 1*1.5m |
| Colors | Customized Color |
| Feature | Fashionable |
| Use | Casual Shoes, Sport shoes, Outdoor shoes, running shoe |
| MOQ | 1000Sheet |
| Term of Payment | By T/T, 30% deposit and 70% balance payment before delivery |
| Place of Origin | Fujian,China |
| Quanzhou | |
| Brand Name | Solamni |
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Looking For High-quality Related Shoe Materials And Industrial Materials. We Are A Reliable B2b Supplier, Offering Personalized Customization Services, Competitive Prices And Fast Delivery Services.
Why Choose Us
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.
Frequently Asked Questions (FAQ)
Does the EVA layer delaminate from the nonwoven base after repeated flexing in high-activity footwear?
No. Solamni uses heat compression lamination with controlled temperature and pressure. Flex fatigue testing exceeds 50,000 cycles with zero delamination. Pre-production lamination verification using your specified stitch pattern is available upon request.
What thickness combinations do you offer, and can I specify different EVA thicknesses for forefoot vs. heel zones?
Standard EVA layer: 0.4mm–3.0mm. Total composite thickness ranges from 1.25mm to 5.5mm+. Dual-density or variable-thickness zoning requires custom tooling-minimum order 2,000 sheets, lead time +10 business days.
How does your EVA composite manage moisture in high-sweat applications like sports footwear?
The closed-cell EVA structure limits water absorption, while the cellulose nonwoven layer wicks moisture away from the foot surface. Moisture desorption is rapid, reducing bacterial growth and odor. Per ISO 20874, water absorption is <3% by weight after 24-hour immersion.
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