Editorial Technical Reference

Medical-Grade Polypropylene Syringe

This page explains how Medical-Grade Polypropylene Syringe is classified within Plastics in Primary Forms Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

Sterile disposable syringe made from medical-grade polypropylene for clinical fluid administration.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Medical-Grade Polypropylene Syringe

Definition
This product is a single-use medical device manufactured through injection molding of medical-grade polypropylene resin. It is a critical consumable in healthcare supply chains, enabling precise fluid administration in clinical settings. Produced at industrial scale to meet global demand, these syringes undergo strict quality control throughout manufacturing. They represent a high-volume application of primary form plastics in the medical device sector.

Key specifications include a barrel volume range of 1–60 mL, plunger force of 5–15 N, wall thickness of 0.8–1.2 mm, and sterility assurance level of 10^-6 per ISO 11137. Extractable volume ranges from 0.5–58 mL, and operating temperature is 2–40 °C. The material grade is USP Class VI per USP <88>. Dimensional tolerance is ±0.1 mm, leakage rate is ≤0.1 mL/min under 300 kPa air pressure, and graduation accuracy is ±5% of nominal volume. The Luer lock connection conforms to ISO 594-1 with a 6% taper. Weight varies from 5–20 g depending on volume and design.

These parameters are reference ranges for directory purposes; actual values must be confirmed with the legal manufacturer for the specific model and application. Standards listed are procurement references and do not imply certification or compliance of any particular product or supplier.

As a neutral directory, we do not manufacture or sell this product. Always verify model-specific values and standards with the legal manufacturer or supplier before use.
Working Principle
Fluid is drawn into and expelled from the barrel through manual pressure on the plunger. The polypropylene barrel and plunger provide smooth movement and reliable sealing, while the silicone rubber gasket ensures a tight fit. The stainless steel needle (if applicable) facilitates fluid transfer. The Luer lock connection ensures secure attachment to needles or other medical devices. The syringe operates within a temperature range of 2–40 °C and requires a plunger force of 5–15 N for proper function. The dimensional tolerance of ±0.1 mm is critical for plunger fit and smooth operation. The leakage rate is ≤0.1 mL/min under 300 kPa air pressure, ensuring no fluid escapes during use. The graduation accuracy of ±5% ensures precise volume measurement. The sterility assurance level of 10^-6 indicates a low probability of viable microorganisms, maintained through sterile packaging and handling.
Common Materials
Medical-Grade Polypropylene, Silicone Rubber, Stainless Steel
Technical Parameters
ParameterTypical rangeNotes & selection driver
Barrel VolumeRequired1–60 mLMaximum fluid capacity of syringe barrelISO 7886-1
Plunger ForceRequired5–15 NMaximum force required to depress plungerISO 7886-1
Wall ThicknessRequired0.8–1.2 mmMinimum barrel wall thickness for structural integrity
Sterility Assurance LevelRequired10^-6 SALProbability of viable microorganisms presentISO 11137
Extractable VolumeRequired0.5–58 mLMinimum volume that can be accurately expelledISO 7886-1
Operating Temperature2–40 °CTemperature range for proper function
Material GradeUSP Class VIMedical-grade polypropyleneUSP <88>
Dimensional Tolerance±0.1 mmCritical for plunger fitISO 7886-1
Leakage Rate≤0.1 mL/minUnder 300 kPa air pressureISO 7886-1
Luer Lock ConnectionISO 594-16% taperISO 594-1
Graduation Accuracy±5 %Of nominal volumeISO 7886-1
Weight5–20 gDepends on volume and design

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Polypropylene Barrel Part
    Holds fluid and provides structural housing
    Material: Medical-Grade Polypropylene
  • Plunger Rod Part
    Transmits manual pressure to move fluid
    Material: Medical-Grade Polypropylene
  • Silicone Plunger Tip Part
    Creates seal against barrel interior
    Material: Medical-Grade Silicone Rubber
  • Luer Lock Connector Part
    Secures needle attachment point
    Material: Medical-Grade Polypropylene
  • Needle Protection Cap Optional Part
    Maintains sterility and prevents accidental sticks
    Material: Medical-Grade Polypropylene

Industry Taxonomies & Aliases

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

Industrial Ecosystem & Supply Chain Structure

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

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable 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)

Quoted from the published standard.

Manufacturing Precision
  • Bore diameter: +/-0.02mm
  • Plunger fit clearance: +/-0.03mm
Quality Inspection
  • Biological Reactivity Test (USP Class VI)
  • Leakage Test (ISO 7886-1)

Manufacturers of Medical-Grade Polypropylene Syringe

Manufacturer profiles associated with Medical-Grade Polypropylene Syringe.

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Frequently Asked Questions

What is the barrel volume range for this syringe?

The barrel volume range is 1–60 mL, as listed in the directory. However, this is a reference range; the exact volume for a specific model must be confirmed with the legal manufacturer.

What standards are associated with this syringe?

The directory lists ISO 7886-1 for barrel volume, plunger force, extractable volume, dimensional tolerance, leakage rate, and graduation accuracy; ISO 11137 for sterility assurance level; USP <88> for material grade; and ISO 594-1 for Luer lock connection. These standards are procurement references and do not guarantee certification of any specific product.

What is the sterility assurance level?

The sterility assurance level (SAL) is 10^-6, meaning the probability of a viable microorganism being present is one in a million. This is per ISO 11137. Always verify the actual SAL with the manufacturer for the specific product.

What is the operating temperature range?

The operating temperature range is 2–40 °C. This is a reference range; the actual range may vary by model. Confirm with the manufacturer for your specific application.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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