Our Polyether Block Amide PEBA Injection Molding Services
Elevate your product performance with Yigu Technology’s Polyether Block Amide (PEBA) Services de moulage par injection—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) moulage par injection 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.
À la base, PEBA plastic molding leverages the material’s segmented structure: hard polyamide (Pennsylvanie) 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 | Description | Relevance to Molding |
| Élastomère thermoplastique (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 |
| Faible densité | Typically 0.91–0.98 g/cm³ | Reduces part weight without sacrificing performance |
| Broad Melt Temperature Range | 180–260 ° C (varie selon le grade) | Accommodates diverse molding setups and part complexities |
Our PEBA Injection Molding Capabilities: Precision Meets Scale
Technologie 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
| Capacité | Spécification | Applications idéales |
| Contrôle de la tolérance | ±0.005 mm for micro parts; ±0.02 mm for standard components | Cathéters médicaux, hearing-aid seals |
| Micro PEBA Molding | Parts as small as 0.5 MM (longueur) with intricate features | Cardiovascular device components, micro-connectors |
| Production à volume élevé | Jusqu'à 10 million parts/year (via multi-cavity tooling) | Sports shoe midsoles, consumer electronics grips |
| Clean-Room Molding | Classe 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 | Parties multi-matériaux (Par exemple, PEBA over-molded pacemaker leads) |
The PEBA Injection Molding Process: Excellence étape par étape
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.
Étape 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 (en fonction de la note) using desiccant dryers to ensure moisture content <0.05%. Pigmented PEBA pellets or modified formulations (Par exemple, anti-static or radiopaque) are blended uniformly to maintain color/property consistency.
Étape 2: Faire fondre & Screw Design
Le PEBA melt temperature window est critique: trop bas, and the resin won’t flow evenly; trop haut, 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 à 2:1) to avoid polymer breakdown
- Smooth barrel surfaces to reduce friction (critique pour low-shear molding)
Étape 3: Injection & 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). Notre 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).
Étape 4: Démêlé & Degating
Après refroidissement, parts are demolded gently to avoid warping. We use automated PEBA degating techniques (Par exemple, laser cutting or punch tools) to remove runners cleanly, Assurer la douceur, burr-free edges—critical for medical and electronic applications.
Étape 5: Inspection de qualité
Chaque lot subit 100% chèques dimensionnels (via CMM machines) and material property testing (résistance à la traction, élongation, rebond). Pour les pièces médicales, 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. Nous offrons une large gamme 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 | Propriétés clés | Industries cibles |
| FDA-Compliant PEBA Compounds | Non toxique, stérilisable (autoclave/ETO), USP Class VI certified | Médical (tubes, cathéters, orthodontic aligners) |
| High-Rebound PEBA Grades | 65–85% rebound rate (ASTM D2632), excellent energy return | Sportif (semelles intercalaires de chaussures, équipement de protection) |
| Anti-Static PEBA Formulations | Surface resistance <10⁹ Ω, dust-repellent | Électronique (poignées, connecteurs) |
| Radiopaque PEBA Modifiers | X-ray visible (barium sulfate or bismuth oxide additive) | Médical (vascular catheters, instruments chirurgicaux) |
| Pigmented PEBA Pellets | UV-stable, color-fast (Pantone-matched) | Biens de consommation (headphone sleeves, regarder des groupes) |
PEBA Surface Treatment: Enhancing Functionality & Esthétique
PEBA’s natural surface is smooth but may require treatment to improve bonding, imprimabilité, ou portez une résistance. Our surface engineering services ensure your parts meet both functional and aesthetic requirements.
Common PEBA Surface Treatments
| Méthode de traitement | But | Avantages |
| Plasma Treatment for PEBA | Surface activation (increases surface energy) | Improves adhesion for over-molding or bonding; enhances paint/ink retention |
| Gravure chimique | Creates micro-roughness on the surface | Boosts bond strength with adhesives or other polymers (Par exemple, in 2-shot molding) |
| Pad-Print & Laser-Mark | Ajoute des logos, Numéros de pièce, or safety info | Permanent, 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, durabilité, and precision matter. Below are its key advantages over rubbers, plastiques rigides, and other TPEs:
- Flexibility with Memory: Maintains shape after repeated bending (critique pour kink-resistant IV tubes or flexible connectors).
- Low-Density Benefit: Jusqu'à 30% lighter than rubber, reducing shipping costs and improving end-product ergonomics (Par exemple, hearing-aid seals).
- Energy Return Value: Delivers 60–80% energy return (contre. 40–50% for EVA), le rendre idéal pour sports-shoe midsoles qui améliorent les performances.
- Chemical Resistance Plus: Résiste aux huiles, solvants, and bodily fluids (perfect for medical devices and automotive dampers).
- Cold-Impact Toughness: Remains flexible at -40°C (contre. rigid plastics that become brittle), suitable for outdoor or industrial applications.
Clarity & Coloabilité: Available in clear grades (for orthodontic aligners) or custom colors (for consumer electronics), with excellent UV stability.
PEBA Injection Molding Applications: Dans toutes les industries
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:
| Industrie | Applications clés | Our Molding Solution |
| Médical | PEBA molded medical tubing, cardiovascular catheters, pacemaker leads, Aligneurs orthodontiques | Clean-room molding, USP Class VI resins, tolérances étroites (± 0,005 mm) |
| Sportif & Fitness | High-rebound running-shoe inserts, ski boot liners, yoga mat grips | High-volume multi-cavity tooling, high-rebound PEBA grades |
| Automobile | PEBA automotive dampers, joints de porte, harnais de fil | Chemical-resistant formulations, 2-shot molding (PEBA + Pp) |
| Électronique | PEBA consumer electronics grips, headphone sleeves, connector gaskets | Anti-static PEBA, pad-print marking, low-shear molding (to protect sensitive components) |
| Industriel | PEBA flexible connectors, pump diaphragms, valve seals | Kink-resistant grades, gas-assist molding for complex geometries |
Étude de cas: 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.
Notre solution:
- Sélection des matériaux: Recommended a USP Class VI biocompatible PEBA grade with high flexural modulus (200 MPA) for kink resistance.
- Conception de moisissure: Used gas-assist molding to create a reinforced tube wall (0.8 mm d'épaisseur) with a smooth inner diameter (IDENTIFIANT) for unobstructed flow.
- Contrôle des processus: Optimisé in-mold cooling to reduce cycle time from 60 à 35 secondes, enabling high-volume production.
Résultats:
- The PEBA IV tube withstood 10,000 bending cycles without kinking (contre. 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?
Quand il s'agit de PEBA injection molding, not all suppliers are equal. La technologie Yigu se démarque de notre engagement envers la qualité, flexibilité, and customer support:
- Certified Excellence: Our plant is ISO 13485 (médical) et ISO 9001 (qualité) agréé, ensuring compliance with global standards.
- End-to-End Expertise: Depuis in-house PEBA tool design & flow simulation (using MoldFlow software) to final logistics, we handle every step.
- Prototypage rapide: Get functional PEBA prototypes in 5–7 days (contre. 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.
- Prix compétitifs: We leverage high-volume purchasing and efficient processes to offer PEBA parts at 10–15% below market averages.
Global Logistics: JIT delivery to 30+ pays, with full PPAP and FDA DMF documentation for regulated industries.