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Direct Factory Plastic Injection Mold with PP Material for Straight Connector

In the healthcare industry, where safety, sterility, and reliability are non-negotiable, medical connectors (e.g., IV tube connectors, diagnostic device ports, surgical instrument junctions) play a critical role in ensuring seamless, contamination-free fluid/gas transfer. Our Healthcare Connector Plastic Mold is engineered exclusively for medical-grade applications—adhering to strict global standards (ISO 13485, FDA, CE) and optimized for biocompatible plastics. As a direct factory with 15+ years of medical mold expertise, we deliver custom solutions that balance ultra-high precision, sterility compatibility, and long-term production stability.
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  • YIXUN mold

  • 8480419090

In the healthcare industry, where safety, sterility, and reliability are non-negotiable, medical connectors (e.g., IV tube connectors, diagnostic device ports, surgical instrument junctions) play a critical role in ensuring seamless, contamination-free fluid/gas transfer. Our Healthcare Connector Plastic Mold is engineered exclusively for medical-grade applications—adhering to strict global standards (ISO 13485, FDA, CE) and optimized for biocompatible plastics. As a direct factory with 15+ years of medical mold expertise, we deliver custom solutions that balance ultra-high precision, sterility compatibility, and long-term production stability.

1. Core Application & Medical Connector Types

This mold is tailored for producing a wide range of medical connectors, which are integral to devices used in hospitals, clinics, and home healthcare settings. Common connector types we support include:
Connector Type
Typical Use Case
Material Requirement
Luer Lock Connectors
IV catheters, syringes, blood transfusion sets
Medical-grade PP, PE, or PPSU (chemical resistance, leak-proof)
Barbed Connectors
Respiratory tubes, feeding tubes
Soft medical TPE/TPU (flexibility, biocompatibility)
Quick-Disconnect Connectors
Dialysis machines, diagnostic equipment
Medical PC/ABS (high impact resistance, dimensional stability)
Valved Connectors
Drug delivery systems, wound care devices
Medical-grade PE or silicone-combined plastics (sterility retention)

2. Critical Specifications for Medical-Grade Molds

Medical connector molds demand stricter controls than industrial molds—every parameter is designed to eliminate contamination risks and ensure consistent part performance.
Specification Category
Details
Compliance & Advantage
Mold Material
- Cavity/Core: S136 Stainless Steel (HRC 48-52)- Mold Base: S50C Steel (with anti-rust coating)
- S136: Excellent corrosion resistance (compatible with steam/ethylene oxide sterilization), high polishability (Ra ≤ 0.2μm, preventing bacteria buildup)- Anti-rust coating: Meets FDA 21 CFR Part 175.300 for food/medical contact
Target Plastic Materials
Medical-grade PP, PE, PC, PPSU, TPE, TPU
All materials comply with ISO 10993-1 (biological evaluation) and USP Class VI (toxicity testing); supports color customization (e.g., clear for visibility, color-coded for connector identification)
Cavity Design
Customizable (1+1, 2+2, 4+4 cavities)
- 1+1 cavity: Ideal for high-precision small connectors (e.g., microfluidic ports)- Multi-cavity (2+2/4+4): Suitable for high-volume production (e.g., standard IV connectors); even pressure distribution ensures ≤ 0.002mm dimensional tolerance
Precision Control
- Dimensional tolerance: ±0.001mm- Surface finish: Ra 0.1-0.2μm (mirror polish)- Ejection system: Soft-eject pins (titanium-coated)
- Ultra-tight tolerance: Prevents leaks in fluid/gas transfer- Mirror polish: Eliminates micro-pores where bacteria can accumulate- Soft-eject: Avoids scratches on connector surfaces (critical for sterility)
Sterility Compatibility
- Mold components resistant to autoclaving (121°C, 15psi) and ethylene oxide (EO) sterilization- No residual lubricants (uses medical-grade silicone grease)
Ensures mold and finished connectors maintain sterility through multiple sterilization cycles (common in reusable medical devices)
Cycle Time
30-45 Seconds (varies by connector size/material)
Optimized via: - Uniform cooling channels (0.5mm precision drilling)- Heat-resistant mold inserts (for high-temperature plastics like PPSU)- Reduces production time while maintaining part quality

3. Key Advantages of Our Healthcare Connector Mold

▶ Medical-Grade Compliance at Every Stage

  • Material Traceability: All mold steels (S136, S50C) and plastics come with batch certificates (COC) to meet FDA/ISO 13485 audit requirements.

  • Clean Manufacturing: Our workshop operates in a Class 100,000 cleanroom for mold assembly and trial injection—preventing dust, oil, or particulate contamination.

  • No Harmful Additives: Mold release agents and lubricants are 100% medical-grade (free of BPA, phthalates, and heavy metals), ensuring connectors are safe for patient contact.

▶ Ultra-Precision for Leak-Proof Performance

Medical connectors cannot tolerate leaks—our mold design addresses this with:
  • Precision Gate Design: Uses hot runner systems (with medical-grade nozzles) to minimize material waste and ensure uniform filling of small connector features (e.g., Luer lock threads).

  • Dimensional Inspection: Every mold undergoes 3D coordinate measuring (CMM) testing before delivery; sample connectors are tested for leak tightness (using air pressure or liquid pressure methods).

  • Wear Resistance: S136 steel cavities support ≥1,000,000 production shots without dimensional degradation—critical for long-term consistency in high-volume medical production.

▶ Customization for Diverse Connector Designs

We work closely with medical device OEMs to adapt to unique connector requirements:
  • Complex Geometries: Support for undercuts, thin walls (≥0.2mm), and integrated valves (common in one-way connectors).

  • Color-Coding: Multi-cavity molds can produce different colored connectors in one cycle (e.g., blue for IV, green for respiratory) to reduce assembly errors.

  • Material Compatibility: Optimize mold temperature, injection pressure, and cooling for specialized materials (e.g., PPSU for high-temperature sterilization, TPE for soft-seal connectors).

▶ Factory-Direct Value & Fast Lead Time

  • Cost Efficiency: Direct manufacturing (no middlemen) reduces mold costs by 18-25% compared to medical mold distributors.

  • Rapid Turnaround: Lead time of 35-45 days (from design confirmation to mold trial)—faster than industry averages (50-60 days)—to accelerate your medical device launch.

  • End-to-End Support: Our engineering team provides DFM (Design for Manufacturability) analysis for your connector 3D model, suggesting optimizations to improve moldability and reduce production defects.

4. Quality Assurance & Certification

We adhere to the strictest quality controls to meet global medical standards:
  1. Design Validation: Simulate mold performance via CAD/CAE software (e.g., Moldflow) to predict filling, cooling, and warpage—adjusting designs before production.

  1. In-Process Testing: Every mold component (cavities, ejector pins, cooling channels) is inspected for dimensional accuracy and surface finish.

  1. Trial Injection: Produce 100-200 sample connectors using medical-grade plastic; test samples for:

    • Biocompatibility (ISO 10993-5 cytotoxicity)

    • Dimensional stability (after sterilization cycles)

    • Leak tightness (per ISO 80369 standards for medical connectors)

  1. Certification Delivery: Provide a comprehensive quality package including:

    • ISO 13485 mold manufacturing certificate

    • Material COC (Certificate of Conformance)

    • CMM inspection report

    • Sample test data (leakage, biocompatibility)

5. Post-Sales Support & Cooperation

▶ Medical-Grade After-Sales Service

  • Warranty: 2-year free warranty (covers defects in mold materials/workmanship; includes free replacement of worn S136 components for the first year).

  • Maintenance: Provide a sterile maintenance kit (medical-grade cleaning agents, silicone grease) and a detailed manual for mold care in cleanroom environments.

  • Regulatory Support: Assist with documentation for your medical device certification (e.g., FDA 510(k), CE MDR) by providing mold manufacturing records.

▶ Cooperation Flow

  1. Inquiry: Share your connector 3D model (STEP/IGES), material specs, production volume, and compliance requirements (e.g., FDA, CE).

  1. DFM Analysis: Our engineers review your design, provide feedback on moldability, and suggest optimizations (e.g., wall thickness, gate location).

  1. Quotation: Submit a detailed quote (mold cost, lead time, payment terms) within 48 hours, including compliance guarantees.

  1. Design Confirmation: Share mold 2D/3D drawings for your approval; revise until all requirements are met.

  1. Mold Production: Start manufacturing after receiving a 40% deposit (compliant with medical industry payment standards).

  1. Trial & Acceptance: Conduct trial injection in our cleanroom; send samples for your testing. Balance payment (50%) due after sample approval.

  1. Delivery & Training: Deliver the mold (packaged in sterile, anti-static crates) and provide on-site training for your team on mold operation/cleaning. Final payment (10%) due after 3 months of stable production.

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