Industry-Verified Manufacturing Data (2026)

Medical-Grade Polypropylene Syringe

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Medical-Grade Polypropylene Syringe used in the Plastics in Primary Forms Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Medical-Grade Polypropylene Syringe is characterized by the integration of Polypropylene Barrel and Plunger Rod. In industrial production environments, manufacturers listed on CNFX commonly emphasize Medical-Grade Polypropylene construction to support stable, high-cycle operation across diverse manufacturing scenarios.

Sterile disposable syringe manufactured from medical-grade polypropylene for clinical applications.

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Product Specifications

Technical details and manufacturing context for Medical-Grade Polypropylene Syringe

Definition
A single-use medical device produced through injection molding of medical-grade polypropylene resin. It serves as a critical consumable in healthcare supply chains, enabling precise fluid administration in clinical settings. These syringes are manufactured at industrial scale to meet global healthcare demands, with strict quality control throughout the production process. They represent a high-volume application of primary form plastics in the medical device sector.
Working Principle
Fluid is drawn into and expelled from the barrel through manual pressure on the plunger, with the polypropylene components providing smooth movement and reliable sealing.
Common Materials
Medical-Grade Polypropylene, Silicone Rubber, Stainless Steel
Technical Parameters
  • Maximum fluid volume capacity (mL) Per Request
  • Needle diameter specification (G) Per Request
Components / BOM
  • Polypropylene Barrel
    Holds fluid and provides structural housing
    Material: Medical-Grade Polypropylene
  • Plunger Rod
    Transmits manual pressure to move fluid
    Material: Medical-Grade Polypropylene
  • Silicone Plunger Tip
    Creates seal against barrel interior
    Material: Medical-Grade Silicone Rubber
  • Luer Lock Connector
    Secures needle attachment point
    Material: Medical-Grade Polypropylene
  • Needle Protection Cap Optional
    Maintains sterility and prevents accidental sticks
    Material: Medical-Grade Polypropylene
Engineering Reasoning
0-3.5 bar (50.8 psi) injection pressure, -0.8 to 1.2 bar (-11.6 to 17.4 psi) aspiration pressure
Polypropylene glass transition temperature at 0°C causing brittle fracture, 4.2 bar (60.9 psi) causing barrel deformation exceeding 2% strain, 150°C causing polymer degradation
Design Rationale: Polypropylene's glass transition temperature (Tg=0°C) induces brittle failure below freezing; yield strength (35 MPa) exceeded at 4.2 bar pressure causing permanent deformation; thermal degradation at 150°C breaks polymer chains via radical oxidation
Risk Mitigation (FMEA)
Trigger Polypropylene stress cracking from 0.1% benzalkonium chloride residue
Mode: Barrel wall microcrack propagation leading to catastrophic fracture at 2.1 bar pressure
Strategy: Implement ISO 10993-12 extraction testing with <0.01% chemical residue limit, add 2% ethylene copolymer to increase environmental stress crack resistance to 500 hours
Trigger Plunger seal compression set exceeding 15% after 72 hours at 40°C
Mode: Fluid leakage at 0.5 bar differential pressure, delivering 12% underdose
Strategy: Replace silicone rubber with bromobutyl rubber (compression set <5% at 70°C), implement 100% automated leak testing at 0.7 bar for 30 seconds

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Medical-Grade Polypropylene Syringe.

Disposable Medical Syringe PP Syringe Injection Device medical grade polypropylene syringe sterile disposable polypropylene syringe clinical applications Luer lock connector medical syringe sterility assurance level SAL syringe polypropylene barrel syringe plunger force

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 100 psi (689 kPa) for standard models
flow rate: Dependent on plunger speed and syringe diameter
temperature: -40°C to 121°C (sterilization range)
slurry concentration: Not recommended for abrasive slurries; suitable for homogeneous solutions up to 500 cP viscosity
Media Compatibility
✓ Aqueous pharmaceutical solutions ✓ Biological fluids (blood, serum) ✓ Alcohol-based disinfectants
Unsuitable: Concentrated organic solvents (e.g., acetone, DMSO) causing polymer degradation
Sizing Data Required
  • Required volume delivery (mL/cc)
  • Needle gauge compatibility (Luer lock/slip)
  • Application pressure/viscosity constraints

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Plunger seal degradation
Cause: Chemical incompatibility with medication or sterilization agents causing swelling, hardening, or cracking of elastomeric seals
Barrel wall stress cracking
Cause: Repeated autoclaving cycles causing polymer degradation and micro-crack propagation from stress concentration points
Maintenance Indicators
  • Visible particulate matter or discoloration in syringe barrel indicating polymer degradation
  • Audible clicking or sticking during plunger movement suggesting seal failure or barrel deformation
Engineering Tips
  • Implement strict chemical compatibility protocols for all fluids contacting syringe materials, including medications, cleaning agents, and sterilization media
  • Establish controlled autoclaving parameters (temperature, pressure, cycle duration) and limit reuse cycles based on material fatigue testing data

Compliance & Manufacturing Standards

Reference Standards
ISO 7886-1:2017 (Sterile hypodermic syringes for single use) ASTM D638-14 (Standard Test Method for Tensile Properties of Plastics) CE Marking (Medical Devices Regulation 2017/745)
Manufacturing Precision
  • Bore diameter: +/-0.02mm
  • Plunger fit clearance: +/-0.03mm
Quality Inspection
  • Biological Reactivity Test (USP Class VI)
  • Leakage Test (ISO 7886-1)

Factories Producing Medical-Grade Polypropylene Syringe

Verified manufacturers with capability to produce this product in China

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✓ 98% Supplier Capability Match Found

S Sourcing Manager from Singapore Jan 28, 2026
★★★★★
"Found 32+ suppliers for Medical-Grade Polypropylene Syringe on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
P Procurement Specialist from Germany Jan 25, 2026
★★★★☆
"The technical documentation for this Medical-Grade Polypropylene Syringe is very thorough, especially regarding Barrel Volume (mL). (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from Brazil Jan 22, 2026
★★★★★
"Reliable performance in harsh Plastics in Primary Forms Manufacturing environments. No issues with the Medical-Grade Polypropylene Syringe so far."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

10 sourcing managers are analyzing this specification now. Last inquiry for Medical-Grade Polypropylene Syringe from Germany (1h ago).

Frequently Asked Questions

What makes this syringe suitable for medical applications?

This syringe is manufactured from medical-grade polypropylene, ensuring biocompatibility, chemical resistance, and compliance with sterility standards (SAL) for safe clinical use.

What components are included in the syringe?

The syringe includes a polypropylene barrel, silicone plunger tip, plunger rod, Luer Lock connector, and needle protection cap, all designed for reliable performance and safety.

How is sterility maintained in these syringes?

Sterility is ensured through manufacturing in controlled environments, validated sterilization processes, and packaging that maintains the Sterility Assurance Level (SAL) until use.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Plastics in Primary Forms Manufacturing sector.

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