Our Polyether Block Amide PEBA Injection Molding Services
Elevate your product performance with Yigu Technology’s Polyether Block Amide (PEBA) Serviços de moldagem por injeção—the gold standard for flexible, high-performance thermoplastic elastomer components. From micro-precision medical catheters to high-rebound sports shoe midsoles, we combine state-of-the-art clean-room facilities, multi-cavity tooling, and biocompatible resin expertise to deliver consistent, cost-effective PEBA parts. Backed by ISO 13485/9001 certifications and 24/7 production support, we turn your PEBA molding challenges into market-leading solutions.
What Is PEBA Injection Molding?
Polyether Block Amide (PEBA) moldagem por injeção is a specialized manufacturing process that shapes PEBA thermoplastic elastomer—a unique flexible block copolymer—into custom parts via high-pressure injection into precision molds. Unlike rigid plastics or traditional rubbers, PEBA blends the elasticity of elastomers with the processability of thermoplastics, making it ideal for applications requiring both flexibility and structural integrity.
Na sua essência, PEBA plastic molding leverages the material’s segmented structure: hard polyamide (PA) blocks provide strength and chemical resistance, while soft polyether (Pe) blocks deliver flexibility and low-temperature toughness. This balance explains why PEBA is the material of choice for industries ranging from medical to sports equipment.
Key Characteristics of PEBA Molding
| Characteristic | Descrição | Relevance to Molding |
| Elastômero termoplástico (TPE) Behavior | Softens when heated, hardens when cooled—reversible process | Enables high-volume production via injection molding |
| Block Copolymer Structure | Alternating hard PA and soft PE segments | Customizable flexibility/strength ratios for targeted applications |
| Baixa densidade | Typically 0.91–0.98 g/cm³ | Reduces part weight without sacrificing performance |
| Broad Melt Temperature Range | 180–260 ° C. (varia de acordo com a série) | Accommodates diverse molding setups and part complexities |
Our PEBA Injection Molding Capabilities: Precision Meets Scale
Tecnologia Yigu PEBA injection molding capacity is engineered to handle projects of all sizes—from micro-scale prototypes to high-volume production runs—without compromising on quality. Our facility is equipped to meet the most demanding industry standards, with a focus on tight tolerances and advanced molding techniques.
Core Capabilities at a Glance
| Capacidade | Especificação | Aplicações ideais |
| Controle de tolerância | ±0.005 mm for micro parts; ±0.02 mm for standard components | Cateteres médicos, hearing-aid seals |
| Micro PEBA Molding | Parts as small as 0.5 milímetros (comprimento) with intricate features | Cardiovascular device components, micro-connectors |
| Produção de alto volume | Até 10 million parts/year (via multi-cavity tooling) | Sports shoe midsoles, consumer electronics grips |
| Clean-Room Molding | Aula 8 (100,000) and Class 7 (10,000) certified rooms | Biocompatible medical parts (USP Class VI compliant) |
| Advanced Molding Techniques | 2-shot molding, gas-assist molding, insert/over-molding | Peças multimateriais (Por exemplo, PEBA over-molded pacemaker leads) |
The PEBA Injection Molding Process: Step-by-Step Excellence
Achieving consistent PEBA parts requires strict control over every process step—from resin preparation to final degating. Below is our optimized workflow, designed to minimize waste and maximize part quality.
Etapa 1: Resin Drying & Preparation
PEBA absorbs moisture easily, which can cause bubbles or defects in molded parts. We dry PEBA resin grades at 80–100°C for 4–6 hours (dependendo da nota) using desiccant dryers to ensure moisture content <0.05%. Pigmented PEBA pellets or modified formulations (Por exemplo, anti-static or radiopaque) are blended uniformly to maintain color/property consistency.
Etapa 2: Temperatura de fusão & Screw Design
O PEBA melt temperature window é crítico: Muito baixo, and the resin won’t flow evenly; muito alto, and it degrades. We target 190–240°C (adjusted by grade) and use specialized screws with:
- Deep feed zones to prevent shear heating
- Low-compression ratios (1.5:1 para 2:1) to avoid polymer breakdown
- Smooth barrel surfaces to reduce friction (crítico para low-shear molding)
Etapa 3: Injeção & Mold Filling
Resin is injected into the mold at pressures of 800–1,200 bar, with injection speeds tailored to part thickness (slower for thin walls to avoid jetting). Nosso in-mold cooling systems use precision water channels to control temperature (typically 30–40°C) and reduce PEBA molding cycle time—we average 15–45 seconds per cycle (varies by part size).
Etapa 4: Desmoldagem & Degating
After cooling, parts are demolded gently to avoid warping. We use automated PEBA degating techniques (Por exemplo, laser cutting or punch tools) to remove runners cleanly, garantir suave, burr-free edges—critical for medical and electronic applications.
Etapa 5: Inspeção de qualidade
Cada lote sofre 100% verificações dimensionais (via CMM machines) and material property testing (resistência à tracção, alongamento, rebote). Para peças médicas, we also conduct biocompatibility and FDA compliance audits.
PEBA Materials: Custom Formulations for Every Industry
The performance of your PEBA part starts with the right resin. Oferecemos uma ampla variedade de PEBA resin grades for molding, each optimized for specific application needs—from FDA-compliant medical devices to high-rebound sports gear.
Popular PEBA Formulations We Supply
| Formulation Type | Propriedades -chave | Indústrias -alvo |
| FDA-Compliant PEBA Compounds | Não tóxico, esterilizável (autoclave/ETO), USP Class VI certified | Médico (tubulação, Cateteres, orthodontic aligners) |
| High-Rebound PEBA Grades | 65–85% rebound rate (ASTM D2632), excellent energy return | Esportes (shoe midsoles, Equipamento de proteção) |
| Anti-Static PEBA Formulations | Surface resistance <10⁹ Ω, dust-repellent | Eletrônica (garras, conectores) |
| Radiopaque PEBA Modifiers | X-ray visible (barium sulfate or bismuth oxide additive) | Médico (vascular catheters, instrumentos cirúrgicos) |
| Pigmented PEBA Pellets | UV estável, color-fast (Pantone-matched) | Bens de consumo (headphone sleeves, assistir bandas) |
PEBA Surface Treatment: Enhancing Functionality & Estética
PEBA’s natural surface is smooth but may require treatment to improve bonding, printability, ou resistência ao desgaste. Our surface engineering services ensure your parts meet both functional and aesthetic requirements.
Common PEBA Surface Treatments
| Método de tratamento | Propósito | Benefícios |
| Plasma Treatment for PEBA | Surface activation (increases surface energy) | Improves adhesion for over-molding or bonding; enhances paint/ink retention |
| Gravura química | Creates micro-roughness on the surface | Boosts bond strength with adhesives or other polymers (Por exemplo, in 2-shot molding) |
| Pad-Print & Laser-Mark | Adiciona logotipos, números de peça, or safety info | Permanente, high-contrast marking (ideal for medical/automotive parts) |
Advantages of PEBA: Why It Outperforms Other Materials
PEBA’s unique combination of properties makes it a superior choice for applications where flexibility, durabilidade, and precision matter. Below are its key advantages over rubbers, plásticos rígidos, and other TPEs:
- Flexibility with Memory: Maintains shape after repeated bending (crítico para kink-resistant IV tubes or flexible connectors).
- Low-Density Benefit: Até 30% lighter than rubber, reducing shipping costs and improving end-product ergonomics (Por exemplo, hearing-aid seals).
- Energy Return Value: Delivers 60–80% energy return (vs.. 40–50% for EVA), tornando -o ideal para sports-shoe midsoles Isso aumenta o desempenho.
- Chemical Resistance Plus: Suporta óleos, solventes, and bodily fluids (perfect for medical devices and automotive dampers).
- Cold-Impact Toughness: Remains flexible at -40°C (vs.. rigid plastics that become brittle), suitable for outdoor or industrial applications.
Clarity & Colorabilidade: Available in clear grades (for orthodontic aligners) or custom colors (for consumer electronics), with excellent UV stability.
PEBA Injection Molding Applications: Entre indústrias
PEBA’s versatility has made it a staple in industries worldwide. Our clients rely on our molding expertise to create parts that solve their most pressing challenges:
| Indústria | Principais aplicações | Our Molding Solution |
| Médico | PEBA molded medical tubing, cardiovascular catheters, pacemaker leads, Alinhadores ortodônticos | Clean-room molding, USP Class VI resins, tolerâncias apertadas (± 0,005 mm) |
| Esportes & Fitness | High-rebound running-shoe inserts, ski boot liners, yoga mat grips | High-volume multi-cavity tooling, high-rebound PEBA grades |
| Automotivo | PEBA automotive dampers, door seals, arnês de arame | Chemical-resistant formulations, 2-shot molding (PEBA + Pp) |
| Eletrônica | PEBA consumer electronics grips, headphone sleeves, connector gaskets | Anti-static PEBA, pad-print marking, low-shear molding (to protect sensitive components) |
| Industrial | PEBA flexible connectors, pump diaphragms, valve seals | Kink-resistant grades, gas-assist molding for complex geometries |
Estudo de caso: How We Solved a Medical Device Client’s Kink Problem
A leading medical device manufacturer approached us with a critical issue: their existing IV tube (made from PVC) kinked easily, disrupting fluid flow and risking patient safety. They needed a kink-resistant IV tube that was also biocompatible and sterilizable.
Nossa solução:
- Seleção de material: Recommended a USP Class VI biocompatible PEBA grade with high flexural modulus (200 MPA) for kink resistance.
- Design de molde: Used gas-assist molding to create a reinforced tube wall (0.8 mm de espessura) with a smooth inner diameter (EU IA) for unobstructed flow.
- Controle de processo: Otimizado in-mold cooling to reduce cycle time from 60 para 35 segundos, enabling high-volume production.
Resultados:
- The PEBA IV tube withstood 10,000 bending cycles without kinking (vs.. 500 cycles for PVC).
- Met FDA and ISO 10993 requirements for biocompatibility.
Reduced the client’s production costs by 18% (via faster cycles and lower material waste).
Why Choose Yigu Technology for Your PEBA Injection Molding Needs?
Quando se trata de PEBA injection molding, not all suppliers are equal. A tecnologia Yigu se destaca por nosso compromisso com a qualidade, flexibilidade, and customer support:
- Certified Excellence: Our plant is ISO 13485 (médico) e ISO 9001 (qualidade) certificado, ensuring compliance with global standards.
- End-to-End Expertise: De in-house PEBA tool design & flow simulation (using MoldFlow software) to final logistics, we handle every step.
- Prototipagem rápida: Get functional PEBA prototypes in 5–7 days (vs.. 2–3 weeks from competitors) to accelerate your product development.
- 24/7 Production Support: Our team is available around the clock to address issues, ensuring on-time delivery even for urgent orders.
- Preços competitivos: We leverage high-volume purchasing and efficient processes to offer PEBA parts at 10–15% below market averages.
Global Logistics: JIT delivery to 30+ países, with full PPAP and FDA DMF documentation for regulated industries.