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| Application: | For injection vial |
| Feature: | Dimensional accuracy Inner cleanness Chemical stability | |
| Stangard: | YBB00052005-2015 | |
| Certificate: | ISO&COA |
![]() | Model | 20-A | |
| Main Meas.(mm) | Diameter of top part | 18.8+/-0.2 | |
| Thickness of top part | 3.3+/-0.2 | ||
| Diameter of stem part | 13.2+/-0.15 | ||
| Total height | 8.8+/-0.2 | ||

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20mm red pharmaceutical bromo butyl rubber stoppers | ![]() |
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This rubber stopper is designed for injection glass vials with 20mm neck ring finish.
Formula for antibiotic powder (including penicillin, and cephalosporin, etc.), and formula for liquid are both available.
The main raw material, butyl rubber, is only imported from USA, Germany and Russia.
The production is finished in GMP standard workshop under strict quality control, and in conformity with National Standard.
Both pharmaceutical sterile PE packing and RFS packing are available.
Silicon oil free formula is a new technique. By using as less silicon oil as possible, this formula can effectively reduce stopper skipping problem during sealing process.




Yantai Xinhui Packing Co., Ltd. was founded in 2003, with registered assets of RMB80 million, focusing on R&D, MFG, and sales of pharmaceutical packaging material.
The company’s main products are butyl rubber stopper and synthetic poly isoprene disc. All products have been issued “Registration Certificate” by China Food and Drug Administration.
The company was repeatedly honored by local government, and has been ISO9001:2008 certified.
The subsidiary trading company, Yantai Xinhui Pharmaceutical Packaging Material Co., Ltd., cooperates closely with quality manufacturers of related pharmaceutical packaging products, dedicating to provide a one-stop service for overseas customers.

From end of 2017, the company is moving to the new production base, which covers an area of 4.5 acres, involving an investment of USD150 million. The base will be finished by two phases. The first phase, which includes office building, research building, workshop 1, water treatment workshop, covering 82,000 square meters, is now in use. Most advanced equipments are used for automatic production. With full operation, annual output will increase to 8 billion pieces, revenue over USD200 million, offering over 500 employments.
“Quality Based, Customer First”, is our business concept. We sincerely welcome friends from all over the world, and wish to establish long term cooperation for mutual development!
2.Samples provided free of charge.
3.MOQ 10,000pcs when stock available.
4.Normal leading time 10-15 days.
5.All-in-one service for rubber stopper, glass vial and aluminum plastic multi-cap.
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