butyl rubber stopper 28mm for infusion bottles
Specification:
| Specification |
28-B
|
Tolerance
|
| Diameter of the top part | 26.6 | ±0.3 |
| Thickness of the part | 3.8 | ±0.3 |
| Dimeter of the stem | 18.0 | ±0.2 |
| Total teight | 11.8 | ±0.4 |
Features:
1> High purity degree;
2> Low punching force;
3> Good tightness and keeping good touch with the puching pin;
4> Good function of acid-resistant & alkali-resistant.
Quality Control:
♥Designed as per GMP standards,the workshops of vulcanization,die cutting,washing and packaging are up to the relative cleanness classes.
♥Quality mangement system established and consummated as per GMP standards.
♥Automatic pre-forming and slice cutting process is adopted.
♥Advanced full automatic vacuum making vulcanization process is adopted.
♥Aubomatic stopper washing production line with powerful vibrating and blowing washing functions.
♥Successful compatibility test for rubber stoppers and medicine.

