
China's Premier One-Stop Shoe Material Manufacturer
Looking for high-quality shoe and industrial materials? Solamni is your reliable, one-stop supplier. We specialize in providing comprehensive material solutions with personalized customization, competitive factory-direct pricing, and fast delivery services worldwide.

High-strength fiberglass shoe stiffeners with integrated hot melt adhesive (0.3 mm – 2.0 mm). Zero deformation, ultra-lightweight, thermal activation. Ideal for safety boots & dress footwear. Free samples!
Fiberglass shoe stiffeners with hot melt adhesive are ultra-rigid, high-strength structural reinforcement materials engineered for heavy-duty safety footwear toe puffs, high-heel shanks, structural heel counters, and orthopedic footwear support. Composed of woven or nonwoven glass fiber textiles impregnated with high-density resin and pre-coated on both sides with low-temperature EVA or TPU hot melt adhesive, this composite offers extreme impact resistance, structural rigidity, and zero thermal deformation under high load. Unlike traditional metal or heavy fiberboard shanks and counters, fiberglass composites are non-metallic, non-magnetic, and non-conductive-making them airport-friendly and ideal for modern safety boots. Solamni supplies this material in continuous roll goods, flat sheets (0.90 m × 1.50 m), or pre-cut preforms with precision thickness choices (0.8 mm – 2.0 mm).
Technical Specifications Matrix
| Engineering Property | Physical / Chemical Specification Benchmark | Test Standard Reference |
|---|---|---|
| Material Composite Base | Woven / Nonwoven Glass Fiber Substrate + Dual Hot Melt Adhesive Layer | ISO 2286‑1 |
| Thickness Selection | 0.80 mm – 2.00 mm (± 0.03 mm) | ISO 23529 |
| Flexural Modulus / Rigidity | ≥ 2,500 MPa (High structural stiffness; zero load sagging) | ASTM D790 / ISO 178 |
| Thermal Activation Range | 90°C – 130°C (Fast thermal dwell time: 6–10 seconds) | SATRA TM404 |
| Bonding / Peeling Strength | ≥ 35 N / 2.5 cm (Strong dual‑sided thermal fusion to upper & lining) | ISO 2411 / SATRA TM404 |
| Impact & Crush Resistance | High torsional stability; zero structural collapse after heavy compression | SATRA TM83 |
| Bally Flex Resistance | ≥ 150,000 Cycles (Zero cracking, delamination, or fiber fracture) | SATRA TM92 / ISO 5402‑1 |
| Safety & Electrical Property | 100% Non‑Metallic, Non‑Conductive, Airport‑Security Friendly | EN ISO 20345 / ASTM F2413 |
| Environmental Safety | REACH SVHC compliant, Solvent‑Free (Toluene/Benzene Free), Low VOC | ISO 17025 |
Incorporating fiberglass hot melt stiffeners into footwear production provides maximum rigidity with fast processing cycles:
Application Process Flow:
- Pre‑Cut & Edge‑Skived Fiberglass Preform
- Thermal Activation Chamber (90°C – 130°C)
- Positioning Between Upper & Lining
- Pneumatic Toe / Heel Lasting Press
- Cooling Lock‑In & Memory Set
- Finished Molded Rigid Heel / Toe / Shank
- Precision Perimeter Skiving: The pre-cut fiberglass sheet is skived around the edges using specialized diamond-coated cutters to ensure smooth feathering against the upper material.
- Thermal Activation: The preform passes through a radiant heater (90°C – 130°C), softening the hot melt film into a tacky, formable state.
- Pneumatic Lasting Press: Placed inside the shoe assembly, a pneumatic lasting press clamps the component over the shoe last. As it cools, the hot melt adhesive fuses the layers together while the fiberglass matrix hardens into a rigid, deformation-free structure.

Solamni fiberglass shoe stiffeners with hot melt adhesive are specified across specialized high-performance footwear sectors:
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Safety & Work Boots
Non-metallic toe puffs, arch shanks, and heel counters compliant with EN ISO 20345 safety standards requiring electrical hazard resistance and airport metal-detector pass-through.
Women's High Heels & Luxury Footwear
Ultra-thin, rigid arch shanks and heel stiffeners (0.8 mm – 1.2 mm) that prevent sole sagging under body weight without adding bulky thickness.
Orthopedic & Tactical Footwear
Heavy-duty heel cups and midfoot support panels providing rigid rearfoot alignment and torsional control across uneven terrain.
FAQ

Q1: What is the advantage of fiberglass stiffeners over traditional metal shanks or paperboards?
A1: Fiberglass is lightweight, rust-proof, non-conductive, and non-magnetic-making it superior to steel shanks for airport safety and electrical hazard work boots. Compared to paperboard, fiberglass provides significantly higher flexural strength and will not break down or turn mushy when exposed to water or sweat.
Q2: Can the edges of fiberglass hot melt sheets be skived smoothly?
A2: Yes. Although glass fibers are tough, when combined with our thermoplastic binder, the material can be skived cleanly using diamond-coated or heavy-duty tungsten carbide skiving knives down to 0.1 mm without edge shredding.
Q3: What is the lead time for standard stock, custom thickness grades, and sample swatches?
A3: We maintain warehouse inventory of standard white and grey fiberglass hot melt sheets (1.0 mm, 1.2 mm, 1.5 mm) for immediate dispatch within 48 hours. Custom thickness formulations, roll conversions, or pre-skived preforms carry an MOQ of 500 square meters, with sample kits shipped in 3 to 5 business days. Technical specialist Jason Lee provides direct engineering support within 12 hours.
Products Shows




in one-stop service
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.

Solamni has specialized in synthetic materials for footwear, apparel and furniture in China for more than 15 years. We own factories producing TPU film and synthetic leather, and maintain long-term stable partnerships with numerous upstream material manufacturers. We are dedicated to supplying high-quality textile materials to outstanding enterprises across diverse industries.
Our address
No. 6, Cuiyuan 3rd Road, Feicuiyuan, No. 838, Donghai Street, Bincheng Community, Donghai Street, Fengze District, Quanzhou City, Fujian Province.
Phone Number
+8615905059552
Email:ace04@eurus-cn.com

Frequently Asked Questions
Q:How long is your production & shipping turnaround?
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A: It takes 25-35 days to complete production and delivery after all details are finalized.
Q:What regular payment terms do you apply?
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A: Terms vary by order size: either 30% pre-payment + 70% shipment-stage payment, or a 50% / 50% prepayment and shipment payment split.
Q:Accepted payment ways?
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A: We support T/T, PayPal, Western Union and other options. A 30% deposit is needed upfront, and outstanding payment must be made before shipping.
Q: Sample ordering instructions
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A: Complimentary samples can be dispatched in 3-5 working days once all sample requirements are confirmed.

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:ace04@eurus-cn.com Phone+8615905059552
Whatsapp+8615905059552
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