EVA Footwear Foam Materials & Custom Molded Components Manufacturer
Direct global OEM/ODM manufacturer of high-performance footwear foam materials and precision molded components - Supercritical SCF EVA midsoles, breathable PU orthopedic insole foams, one-piece injection EVA slides, and eco-friendly recycled footwear foam sheets. Engineered for athletic running shoes, outdoor boots, recovery footwear, and casual sneakers with superior energy return, ultra-low density, and lasting flex fatigue resistance.

Global Footwear Brand OEM / ODM Partner & Sole Material Manufacturer
Quanzhou Firefox New Material Co., Ltd. is an established manufacturer of high-performance athletic, outdoor, and lifestyle footwear foam materials. Operating state-of-the-art production campuses across China, Vietnam, and Indonesia, we provide Tier-1 footwear brands with vertically integrated capabilities - from custom polymer compounding, supercritical nitrogen/CO₂ physical foaming, compression molding (CMEVA/IMEVA), and automated PU pouring to multi-layer insole lamination and high-precision CNC die-cutting.
40+ Years Footwear Heritage
Deep expertise in polymer compounding, biomechanical cushioning, and footwear mass production since 1981.
Full-Chain Material Matrix
Integrated manufacturing across Supercritical SCF, CMEVA/IMEVA, Polyurethane (PU), and Recycled Foam sheets.
High Rebound & Ultra-Light
Industry-leading energy return (up to 75%–85% with SCF) and ultra-low density (0.10–0.28 g/cm³) without packing out.
End-to-End Tooling & Testing
In-house 3D CAD/CAM mold development, rapid physical prototyping in 7–10 days, and on-site SATRA standard testing.
Vertically Integrated Manufacturing in China, Vietnam & Indonesia
To optimize global supply chain resilience, tariff efficiency, and localized production lead times, Firefox operates three dedicated footwear manufacturing campuses spanning over 250,000 square meters with over 120 automated foaming, compression, and injection molding lines.
Quanzhou Headquarters & Innovation Center
Advanced R&D center, supercritical nitrogen foaming reactors, masterbatch compounding facility, precision mold engineering workshop, and SATRA accredited mechanical testing laboratory.
Vietnam High-Capacity Export Facility
Large-scale CMEVA midsole compression molding, high-rebound PU insole pouring lines, and localized supply integration for major athletic footwear Tier-1 assembly factories in Southeast Asia.
Indonesia Molded Slides & Outsole Plant
Specialized in automated one-piece IMEVA injection slides, high-traction lightweight outsole components, and duty-free export logistics for North American and European retail footwear programs.
Custom Polymer Compounding & Supercritical Physical Foaming
Every footwear application requires a distinct balance of cushioning, energy return, flex endurance, and specific gravity. Our in-house chemical engineers synthesize proprietary polymer alloys to meet strict brand performance criteria.
Supercritical Physical Foaming (SCF)
Utilizes supercritical N₂ or CO₂ gas as physical blowing agent. Eliminates traditional chemical blowing agents (ADCA) to create uniform closed-cell microcellular structures with up to 80% energy return, 0.12 g/cm³ density, and zero chemical odor.
Compression Molded EVA (CMEVA)
Pre-formed blended EVA billets expanded and compressed under high-tonnage heated hydraulic presses. Delivers tight cell density, superior shape definition, dimensional stability, and customizable Shore C hardness (35C to 65C).
Breathable Open-Cell PU Foams
High-resilience open-cell polyurethane foam systems engineered for high moisture-wicking, perpetual cushioning without bottoming out, and integrated antimicrobial additives for medical and sport insoles.
6 Engineering Advantages for High-Volume Footwear Production
From marathon running shoes to heavy-duty industrial work boots, Firefox footwear foam components consistently outperform conventional EVA and rubber materials across key biomechanical indices.
Ultra-Low Density (0.10–0.28 g/cm³)
Drastically reduces total shoe weight, minimizing athlete muscle fatigue while preserving structural integrity and arch support.
75%–85% Energy Return (SCF)
Dynamic explosive rebound engineered through microcellular nitrogen expansion, propelling runners with exceptional propulsion efficiency.
<4% Compression Set (24h@50℃)
High-resilience closed-cell matrix resists permanent compaction and bottoming out even after 500+ miles of rigorous marathon use.
100,000+ Flex Fatigue Cycles
Surpasses SATRA TM161 flex endurance standards without surface cracking, split tearing, or delamination at sub-zero operating temperatures.
100% Non-Toxic & Zero VOC
Free of formamide (<10 ppm), heavy metals, phthalates, and DMF. Fully compliant with EU REACH SVHC, RoHS 3, and CPSIA safety mandates.
Bio-Based & GRS Recycled Options
Offering sustainable sugarcane-derived bio-EVA formulations and GRS-certified post-industrial recycled footwear foam matrices.
4 Core Footwear Foam Product Categories
Explore our primary B2B footwear component categories, fully customizable in polymer blend, thickness, density, color matching, surface texture, and physical dimensions.
01 · Supercritical EVA Midsole Components & Cushioning Slabs
Engineered for high-performance athletic footwear, running shoes, and basketball sneakers. Features microcellular nitrogen physical foaming, 0.12–0.18 g/cm³ ultra-light density, >75% energy return, and custom multi-hardness dual-density molding.
02 · Breathable PU & Orthopedic Arch-Support Insole Foam Blanks
Ergonomic contoured footbeds and open-cell breathable polyurethane insole blanks. Ideal for orthopedic corrective footwear, comfort lifestyle sneakers, and heavy-duty work boots with integrated heel cup cushioning and antibacterial top-cloth lamination.
03 · One-Piece Injection Molded EVA Recovery Slides & Outsoles
Seamless mono-material injection EVA cloud slides, recovery clogs, and high-abrasion outdoor sandal outsoles. Manufactured via high-precision multi-cavity injection tooling with anti-slip water-channel tread patterns and pillow-soft 38–45 Shore C comfort.
04 · Eco-Friendly Recycled EVA Footwear Foam Sheets & Outsole Slabs
Continuous skived footwear foam rolls and hydraulic pressed sheet slabs for shoe factory die-cutting. Available in 1.0mm to 50mm thickness, custom diamond/wave tread embossing, and GRS-certified post-industrial recycled formulations for sustainable footwear collections.
Footwear Foam Physical Properties & Technical Data Sheet (TDS)
Representative physical testing values across our four flagship footwear material lines. All test parameters are certified via SATRA / ASTM / ISO standardized laboratory test protocols.
| Physical Property | Supercritical EVA Midsole | Breathable PU Insole | Injection EVA Slides | Recycled EVA Sheet | Test Method |
|---|---|---|---|---|---|
| Density / Specific Gravity | 0.12 – 0.18 g/cm³ | 0.18 – 0.28 g/cm³ | 0.16 – 0.22 g/cm³ | 0.15 – 0.35 g/cm³ | ASTM D3575 / ISO 845 |
| Hardness (Shore C) | 42C – 52C (±2C) | 30C – 45C (±3C) | 38C – 48C (±2C) | 40C – 65C (±3C) | ASTM D2240 |
| Rebound Resilience (%) | ≥ 72% – 82% | ≥ 55% – 68% | ≥ 58% – 65% | ≥ 48% – 58% | DIN 53512 / ASTM D2632 |
| Compression Set (22h@50℃, 50%) | ≤ 4.5% | ≤ 3.8% | ≤ 5.2% | ≤ 6.5% | ASTM D395 Method B |
| Tensile Strength (MPa) | ≥ 2.2 MPa | ≥ 1.4 MPa | ≥ 1.8 MPa | ≥ 2.0 MPa | ASTM D412 / SATRA TM137 |
| Split Tear Strength (kN/m) | ≥ 2.8 kN/m | ≥ 1.8 kN/m | ≥ 2.4 kN/m | ≥ 2.5 kN/m | ASTM D3574 / SATRA TM65 |
| Flex Resistance (SATRA TM161) | > 100,000 cycles (No cut growth) | > 100,000 cycles | > 100,000 cycles | > 80,000 cycles | SATRA TM161 (-10℃ / 23℃) |
| Thermal Shrinkage (70℃ × 24h) | ≤ 0.8% | ≤ 0.5% | ≤ 1.0% | ≤ 1.2% | SATRA TM70 |
| Formamide Content | < 10 ppm (Non-Detectable) | Zero (Non-Blowing) | < 10 ppm | < 30 ppm | EN 71-3 / GC-MS |
Firefox Footwear Foams vs. Alternative Shoe Sole Materials
Compare our engineered footwear polymer solutions against standard compression EVA, vulcanized solid rubber, and conventional low-cost sponge materials.
| Evaluation Metric | Firefox Supercritical SCF | Standard CMEVA Foam | Solid Vulcanized Rubber | Standard Open Sponge |
|---|---|---|---|---|
| Weight / Density | Ultra-light (0.12 g/cm³) | Medium-light (0.24 g/cm³) | Heavy (1.10–1.35 g/cm³) | Lightweight (0.10 g/cm³) |
| Energy Return & Cushioning | Exceptional (>80%) | Standard (45%–55%) | Low Rebound (25%–35%) | Packs out rapidly (<20%) |
| Long-Term Compression Resistance | High (Maintains cushion >500mi) | Moderate (Packs out at 200mi) | High elastic retention | Very poor (Permanent collapse) |
| Chemical Blowing Byproducts | Zero (Physical N₂/CO₂ Foamed) | Contains ADCA residues | Sulfur & accelerator traces | High VOC / Chemical odor |
| Forming & Molding Precision | Sharp mold fidelity & textures | Good mold reproduction | Excellent detail definition | Poor shape retention |
Flexible Supply Formats for Footwear Manufacturers & Brand Assembly
We supply footwear materials in raw roll stock, precision-skived sheet slabs, 2D die-cut preforms, or fully molded ready-to-assemble 3D midsoles and outsoles.
1. Continuous Skived Rolls
Continuous length foam rolls (1.0m to 1.5m width, 20m–100m length) with precision CNC thickness splitting tolerance down to ±0.15mm for high-speed automated insole and upper backing lines.
2. Flat Hydraulic Sheet Slabs
Standard sheet dimensions (1000×2000mm, 1200×2400mm, or custom dimensions) in thicknesses from 1.5mm to 60mm with single/double side embossed traction textures for die-cut outsoles.
3. 2D CNC Die-Cut Blanks
Computerized blade cut or clicker pressed shoe outsole and midsole blanks pre-shaped to exact brand shoe lasts (US 4–15 / EU 35–48) to eliminate cutting waste at shoe assembly factories.
4. Fully Molded 3D Midsoles
Finished CMEVA or Supercritical SCF midsoles molded to tight tolerances, pre-buffed, primed, and color-gradient painted, ready for direct cement bonding to uppers and rubber outsoles.
5. Fabric-Laminated Insole Sheets
Foam sheets pre-laminated with moisture-wicking mesh, antibacterial BK cloth, velvet, or recycled GRS polyester textiles using eco-friendly water-based hot-melt adhesives.
6. One-Piece Injection Molded Slides
Turnkey finished cloud slides, clogs, and recovery sandals packaged in retail polybags or branded shoeboxes ready for direct global consumer distribution.
8-Stage Precision Quality Controlled Footwear Manufacturing Process
From raw polymer resin testing to finished container loading, our end-to-end quality assurance system ensures batch-to-batch consistency in density, color, and Shore C hardness.
Resin Compounding
Virgin EVA, POE elastomers, and color masterbatches precisely weighed and mixed in internal banbury mixers.
Supercritical Foaming
High-pressure physical gas injection or hot-press primary foaming expansion creates uniform microcellular cells.
CNC Precision Skiving
Automated bandknife splitting machines shave foam buns to exact millimeter thicknesses with ±0.15mm tolerance.
3D Mold Tooling
High-tonnage hydraulic compression or multi-station rotary injection molds form intricate shoe sole profiles.
Fabric Lamination
Continuous flame or water-based PU hot-melt lamination bonds breathable, antibacterial fabrics to foam layers.
Edge Trimming & Buffing
Automated robotic edging and surface roughing optimize cement bonding adhesion strength for shoe assembly.
SATRA In-Line Lab QC
Rigorous batch checks for Shore C hardness, density, rebound rate, tear resistance, and flex fatigue cycles.
Export Packaging
Moisture-barrier poly-wrapped rolls or carton packed preforms palletized for high-density ocean container loading.
End-to-End OEM / ODM Tooling & Formulation Services
Whether you need custom Pantone color matching, proprietary durometer tuning, or brand-exclusive 3D tooling, our engineering team brings your footwear design concepts to mass production in record time.
Custom Formulation & Hardness Tuning
We formulate custom polymer alloys to meet specific performance envelopes across Shore C 30C to 65C. Whether engineering ultra-cushioned recovery slides (38C) or high-stability trail running midsole stabilization rings (58C), we calibrate dynamic modulus and rebound properties to exact technical drawings.
- Pantone Color Matching: Exact color replication with ΔE < 0.8 color consistency and UV-resistant anti-yellowing stabilizers (Grade 4–5).
- Multi-Density Dual Durometer: Co-molded multi-density midsoles combining soft forefoot cushioning with rigid heel support.
- Custom Surface Textures: Hexagonal grip, wave grooves, knurled micro-textures, and brand embossed logos.
Rapid 3D CAD/CAM Tooling Development
Our in-house mold engineering workshop utilizes 5-axis high-speed CNC machining centers to mill high-grade aluminum and steel compression / injection molds directly from brand CAD / STEP 3D models.
- 3D Rapid Prototyping: 3D printed sample prototypes delivered in 48 hours for brand fit and visual review.
- Production Mold Delivery: Full size range production tooling (US 4–15) completed in 15–20 business days.
- Strict IP & Mold Protection: Confidentiality agreements (NDA) and exclusive customer mold ownership.
In-House SATRA Standard Footwear Testing Laboratory
Our on-site physical and chemical testing laboratory is equipped with advanced testing apparatus to certify that all footwear components comply with international footwear brand quality standards.
Ross Flexing Test
SATRA TM161 flex fatigue testing running up to 100,000 cycles at -10℃ and 23℃ to guarantee zero sole cracking.
DIN Abrasion Resistance
DIN 53516 / ISO 4649 abrasion testing measuring material volume loss (<120 mm³) for long outsole wear life.
Ball Rebound Resilience
ASTM D2632 vertical ball drop rebound testing to ensure verified energy return rate across every batch.
Thermal Shrinkage Chamber
70℃ × 24h high-temperature stability testing verifying <1.0% dimensional shrinkage for hot climates.
Internationally Certified for Global Footwear Export
Our manufacturing facilities and footwear foam materials strictly adhere to international environmental, quality, and consumer safety regulatory standards.
ISO 9001:2015 & ISO 14001
Certified Quality Management and Environmental Management systems ensuring standardized production and environmental compliance across all manufacturing plants.
EU REACH SVHC & RoHS 3
Certified free of 240+ Substances of Very High Concern (SVHC), heavy metals (lead, cadmium, mercury), phthalate plasticizers, and toxic flame retardants.
GRS (Global Recycled Standard)
Third-party verified Global Recycled Standard certification verifying genuine recycled post-industrial content across our eco-friendly footwear foam product lines.
High-Efficiency Container Loading & Protective Packaging
Optimized packaging engineering maximizes container space utilization, reduces international ocean freight costs per pair, and protects materials against humidity and transit damage.
Roll Stock Vacuum Packing
High-density vacuum shrink-wrapping in heavy-duty poly woven sleeves prevents moisture absorption and maximizes ocean container cubic capacity.
Carton Packed Molded Components
Heavy-duty double-wall corrugated export cartons with PE moisture inner liners, clearly labeled with SKU, size, and barcoding for automated warehousing.
Worldwide Freight Options
Flexible shipping terms including FOB Xiamen / FOB Ho Chi Minh / FOB Jakarta, CIF global ports, and DDP to brand assembly warehouses worldwide.
Custom Footwear Foam RFQ Checklist
To receive a fast and accurate factory quotation and technical material recommendation, please prepare the following specifications for your inquiry.
- 1. Intended Application: Running midsole, casual insole, recovery slides, outdoor outsole, or upper padding.
- 2. Foam Chemistry: Supercritical SCF EVA, standard CMEVA, open-cell PU, or GRS recycled EVA.
- 3. Target Hardness (Shore C): Desired durometer range (e.g., 38C–42C for slides; 48C–52C for athletic midsoles).
- 4. Dimensions & Formats: Sheet dimensions, roll width & thickness, or 2D/3D CAD last files (STEP/IGES).
- 5. Color & Texture: Pantone color codes, custom gradient specs, or surface embossing pattern requirements.
- 6. Order Volume & Destination: Projected annual pair volume, initial sample quantity, and target delivery port.
Sustainable Footwear Solutions & Closed-Loop Recycling
Firefox is committed to reducing the environmental footprint of the footwear industry through green manufacturing, solvent-free foaming, and bio-based material innovations.
100% Recycled Scrap Re-Compounding
In-house grinding and re-compounding facilities reclaim 100% of internal factory edge trims and skiving scraps into high-performance GRS-certified recycled footwear foam sheets.
Bio-Based Sugarcane Formulations
Renewable carbon footwear foam formulated with bio-based ethylene derived from sugarcane ethanol, lowering product carbon emissions by up to 40% compared to fossil-based polymers.
Zero-Solvent Water-Based Bonding
Eliminating VOC emissions during insole lamination through solvent-free hot-melt polyurethane films and water-based adhesives compliant with ZDHC MRSL standards.
Global Footwear OEM / ODM Success Stories
Discover how leading athletic footwear brands, orthopedic medical suppliers, and lifestyle retailers scale their footwear programs with Firefox foam materials.
Supercritical Midsole for Elite Marathon Shoe
Challenge: Global running brand needed to reduce marathon shoe midsole weight by 25% while increasing energy return above 78% without thermal compaction.
Solution: Firefox engineered a custom nitrogen supercritical SCF EVA formula (0.13 g/cm³, 45 Shore C) delivering 81% rebound and <3.5% compression set.
Outcome: Successfully scaled to 800,000 pairs annually across global retail markets.
Ergonomic Orthopedic Arch-Support Insole
Challenge: European medical footcare brand required breathable, contoured PU insole blanks with permanent arch resilience and antibacterial cloth bonding.
Solution: Developed dual-layer PU composite footbeds featuring high-density heel cups, open-cell breathability, and silver-ion antibacterial top-cloth lamination.
Outcome: Certified under EU medical device standards with zero warranty returns over 2 years.
One-Piece Injection Molded Cloud Recovery Slides
Challenge: Major US department store chain needed a high-volume supply partner for pillow-soft, ultra-lightweight one-piece recovery slides with high anti-slip traction.
Solution: Developed custom multi-cavity injection molds and 38C cloud-soft EVA formulations across 12 seasonal Pantone colors with rapid 25-day container turnarounds.
Outcome: Delivered over 2.5 million pairs across 3 consecutive retail seasons.
Request Free Footwear Material Swatch Box & TDS Catalog
Get a comprehensive physical sample pack including Supercritical SCF midsoles, breathable PU insoles, injection EVA slide swatches, and hardness comparison blocks delivered to your design studio in 3–5 business days.
Downloadable Technical Documentation
- Firefox Footwear Foam Complete Product Catalog (PDF, 28 Pages)
- SATRA TM161 Flexing & DIN Abrasion Laboratory Test Reports
- EU REACH SVHC & RoHS 3 Heavy Metal Chemical Compliance Certificates
- Global Recycled Standard (GRS) Footwear Material Scope Certificate
Footwear Foam Sourcing & Manufacturing FAQ
Clear, definitive answers to high-frequency procurement, technical, tooling, and shipping questions from global footwear brand developers and factory buyers.
Ready to Engineer Your Next-Generation Footwear Line?
Contact our footwear engineering team today for technical material consultation, custom Shore C durometer tuning, rapid 3D mold tooling estimates, or free sample swatches.
Partner with a Global Leader in Footwear Foam Innovation
Direct manufacturer pricing, scalable multi-country capacity (CN / VN / ID), and rigorous SATRA standard quality control. Get in touch with our technical team today.
As one of the most experienced footwear suppliers in China, we have world-leading production equipment and strong manufacturing capabilities. Please rest assured to wholesale customized footwear from our factory. For price consultation, contact us.


























