For use in 20 mm glass jars and liquid culture jars, fits openings of approx. 13 mm diameter (please refer to the picture).
The self-healing rubber stopper ---- creates an excellent solid seal.
Excellent thermal stability (butyl rubber) ----- can be sterilised by steam under high pressure.
Reusable and will not deform.
Ideal for liquid cultures, BRF tanks, injectables, refill substrate tanks, grain masters

Stoppers available in a wide selection that includes glass, butyl rubber, and silicone.

Extremely high chemical purity and low gas permeability.

A wide variety of styles and sizes are available.

XIANGYI stoppers are offered in two leading West formulations, a bromobutyl and a chlorobutyl. Special handling and testing ensures compliance with the tightest particulate specification offered in each of these formulations. This specification, stated in parts per million (ppm), comprises visible and sub-visible measurements.

XIANGYI stoppers are available in a range of familiar global designs selected for proven machinability and functionality and further enhanced through QbD-based principles of continuous improvement. Data gather, statistical analysis and knowledge management is an essential part of the XIANGYI stopper quality process. In addition to the production feedback loop used to document critical processes and drive their improvement, all XIANGYI stopper products undergo formal annual review.

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