Pharmaceutical Butyl Silicone Rubber Stopper For Injection Vials 13mm 20mm

* this rubber stopper has two size:

20mm is designed for injection glass vials with 20mm neck ring finish

13mm is designed for injection glass vials with 13mm neck ring finish

* the main raw material, silicone rubber

* formula for both powder and liquid medicine are available, or used for cosmetic

* the production is finished in GMP standard workshop under strict quality control, and in conformity with national standard

* no matter your industry, we can help you identify which material is the right fit for your exact application and budget