

Model 03 – 20mm Pharmaceutical Butyl Rubber Stopper Coated with PE & PTFE (Medical Grade)
High-Performance, Sterile-Grade Rubber Stopper for Injectable Medications
Designed for demanding pharmaceutical applications, the Model 03 20mm Butyl Rubber Stopper features a dual-layer coating of Polyethylene (PE) و Polytetrafluoroethylene (PTFE) to ensure optimal sealing performance, chemical compatibility, and minimal extractables. This medical-grade stopper is ideal for use in vials containing biologics, vaccines, monoclonal antibodies, and sterile injectable solutions, where integrity, stability, and patient safety are paramount.
Manufactured from high-purity natural butyl rubber in our ISO-certified facility in Henan, China, this stopper meets or exceeds international standards including USP <661>, EP 3.1.9, JP XVII, and ISO 9001:2008 / ISO 14001:2004. The gray color is customizable per customer request, ensuring consistency with brand identity and regulatory labeling requirements.
✅ Key Features:
- Dual Coating (PE + PTFE): Enhances lubricity, reduces friction during needle penetration, and prevents rubber migration into the drug product.
- Low Extractables: Minimizes risk of leachables that could compromise drug purity or efficacy.
- Excellent Seal Integrity: Ensures long-term protection against moisture ingress and microbial contamination.
- OEM/ODM Support: Customizable size, color, and surface treatment options available.
- Free Sample Policy: We offer free samples for quality evaluation and compatibility testing.
This stopper is widely used in combination with Type I borosilicate glass vials, forming a reliable primary packaging system for sensitive pharmaceutical formulations.
Product Specifications
| Parameter | Specification |
|---|---|
| Product Name | 20mm Butyl Rubber Stopper Coated with PE & PTFE |
| Model Number | 03 |
| Material | Natural Butyl Rubber (Butyl Rubber) |
| Coating | Polyethylene (PE) + Polytetrafluoroethylene (PTFE) |
| Color | Gray (Customizable upon request) |
| Size Options | 13mm, 15mm, 20mm, 25mm, 28mm, 30mm |
| Place of Origin | Henan, China |
| Brand Name | pg |
| Processing Service | Moulding |
| Usage | Primary Packaging for Glass Vials (e.g., injection, vaccine, biologics) |
| MOQ | 10,000 pcs |
| Packaging | Plastic Bag + Carton |
| Single Package Size | 10×20×15 cm |
| Gross Weight | 1.000 kg per unit |
| Selling Unit | Single Item |
| Sample Policy | Free Samples Available |
| OEM/ODM Support | Acceptable |
| Certifications | ISO 9001:2008, ISO 14001:2004, OHSAS 18001:1999 |
| Regulatory Compliance | USP <661>, EP 3.1.9, JP XVII, FDA 21 CFR 177.1520 |
| Feature | Medical Grade, Low Extractables, High Chemical Resistance |
Technical Insights & Industry Applications
🔬 Why Choose PE+PTFE Coated Rubber Stoppers?
- PTFE Coating: Offers excellent non-stick properties and reduces syringe plunger drag, critical for pre-filled syringes و auto-injectors.
- PE Layer: Acts as a barrier to prevent rubber degradation and enhances compatibility with aqueous and lipid-based formulations.
- Reduced Protein Adsorption: Particularly beneficial in biologic drugs such as monoclonal antibodies, where protein loss at the interface can affect bioavailability.
According to studies published in Pharmaceutical Technology و Journal of Pharmaceutical Sciences, coated rubber stoppers significantly reduce the risk of particulate formation و drug-product interaction, especially in high-dose or long-term storage scenarios.
Ideal For Use With:
- Vaccines (including mRNA vaccines)
- Monoclonal Antibodies (mAbs)
- Insulin and Peptide Therapeutics
- Sterile Injectable Solutions
- Biologicals and Cell-Based Therapies
چرا PharGlass را انتخاب کنیم؟
در فارگلس, we specialize in providing customized, high-quality primary packaging solutions for the global pharmaceutical industry. Our team offers:
- Full support for COA, DMF, and pre-market validation
- Rapid prototyping and sample delivery within 3–5 days
- Technical consultation on compatibility testing, leachables study, and stability testing
- Global shipping with traceable logistics
We welcome OEM/ODM collaborations and are committed to helping you achieve regulatory approval و market success with reliable, compliant packaging components.
📞 Contact Us Today
For pricing, technical data sheets (TDS), certificates of analysis (COA), or custom design requests — reach out to our sales team at sales@pharglass.com or visit https://www.pharglass.com.
Note: All products are manufactured under strict quality control systems and can be tested for extractables, bioburden, endotoxin levels, and visual inspection per client requirements.
