Silicone plug butyl plug

20mm

Wholesale 20mm rubber stoppers for pharmaceutical GLP-1 glass vials, 10ml and 5ml bottles, bottle caps, butyl stoppers.Our 20mm T-shaped coated butyl rubber stoppers are designed to fit standard 20mm crimp-top vials, including hyaluronic acid ampoules, oral liquid bottles, and freeze-dried medication vials. Made of high-quality medical-grade butyl rubber, these stoppers offer excellent airtight sealing, chemical stability, and compatibility with various formulations.
The two-prong (forked) design ensures a secure fit in vial necks, preventing leaks and contamination during storage and handling. The coated surface provides added protection against moisture and microbial ingress, making them ideal for pharmaceuticals, cosmetics, and lab use.
Available in gray (and customizable colors), these stoppers are reliable for GLP-1, peptide, and vaccine packaging, supporting both industrial and small-batch applications.

Delivery

EXW

minimum order

1000 pieces

Supply Ability

300000pieces / Week

Country of Origin

Guangdong China

Stock Time

7Day

Quantity:

US $0.02 - US $0.06 / pieces

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Highlights at a glance

Sterile Sealing: Prevents external dust, bacteria and air from entering vials to keep lyophilized powder and liquid medicine sterile, ideal for butyl stoppers and GLP-1 packaging use.

Customizable Design: Supports custom colors, printing logos and surface treatments for personalized brand packaging of GLP-1 Peptide Bottle Stopper and other Small Bottle Stopperproducts.

Premium Butyl Material: Adopts high-density medical-grade butyl rubber, featuring stable chemical performance and long service life for all kinds of butyl stoppers.

Film Coated Surface: Reduces drug adsorption and precipitation, effectively improving pharmaceutical compatibility and safety of this professional GLP-1 Peptide Bottle Stopper.

Vial Sealing Stopper: Perfect for 3ml/5ml/10ml lyophilized vials, hyaluronic acid and oral liquid bottle sealing as a reliable Small Bottle Stopper.

20mm T-Type Two-Fork Structure: Standard 20mm caliber snap-fit design, tight sealing, easy crimping and repeated needle piercing for standard butyl stoppers.

Wholesale Grey Film-Coated Butyl Rubber Stopper, professional GLP-1 Peptide Bottle Stopper&Small Bottle Stopper, Medical Lyophilized Vial Plug for Cosmetic & Pharmaceutical Vials

Wholesale 20mm rubber stoppers for pharmaceutical GLP-1 glass vials, 10ml and 5ml bottles, bottle caps, butyl stoppers

butyl stoppers

Our premium butyl stoppers are core sealing accessories specially developed for medical and cosmetic small vial packaging scenarios. These high-performance butyl stoppers are made of medical-grade butyl rubber material with stable chemical properties, no peculiar smell, and no chemical precipitation, which will not react with internal medicinal liquids, lyophilized powder and cosmetic stock solutions. The excellent airtight and dustproof performance of standard butyl stoppers can effectively isolate external air, dust and bacteria, maintain the internal sterile environment of vials, and greatly extend the storage life of medicines and cosmetics. All our butyl stoppers adopt precise molding technology, with tight structure and strong fit, perfectly adapting to various standard small vials, and are the most reliable sealing choice for professional packaging.

GLP-1 Peptide Bottle Stopper

The dedicated GLP-1 Peptide Bottle Stopper is professionally customized for GLP-1 and peptide lyophilized powder vial packaging needs. This high-quality GLP-1 Peptide Bottle Stopper features a 20mm T-type two-fork structure and film-coated surface design, which can greatly reduce drug adsorption and ensure the activity and purity of peptide ingredients. The soft and resilient texture of the GLP-1 Peptide Bottle Stopper supports repeated needle piercing without cracking or deformation, meeting the multiple use needs of medical testing and drug extraction. With excellent sealing stability and sterile protection capability, the GLP-1 Peptide Bottle Stopper is widely recognized in the pharmaceutical industry and is a special supporting accessory for high-end peptide medical packaging.

Small Bottle Stopper

Our versatile Small Bottle Stopper covers all specifications of 3ml, 5ml and 10ml small vials, perfectly compatible with oral liquid, hyaluronic acid, lyophilized powder and medical vaccine small bottles. This practical Small Bottle Stopper inherits the superior performance of medical butyl rubber, with good elasticity, wear resistance and aging resistance, realizing long-term reusable sealing. The compact and standardized design of the Small Bottle Stopper ensures easy installation and crimping, suitable for manual and mechanical assembly operations. We support personalized color customization and logo printing for the Small Bottle Stopper, helping brands create exclusive customized packaging solutions for small bottle products.