Finetech Rubber Stopper has turnover flange molded to grip outside of container neck promoting a double seal in conjunction with annular serrations on hollow plug. Annular serrations depress themselves against the inside wall of the bottle neck, making each serration a suctions sealing point.
 

Finetech Rubber Stopper is ideal for air and moisture-sensitive chemistry procedures. After piercing with non-coring needle, rubber closes puncture, providing air and moisture tight seal to protect contents of vessel or container from atmosphere.
 

◆ Product Spectification

◆ Our Advantage 

1. Stoppers fit tightly to prevent chemical leaks.

2. Exhibit very low gas transmission properties

3. Strict Quality-Control team to make sure product quality from testing raw material,

    semi-product to final product

4. ISO9001 / ISO13485 certifications

5. Good after-sale service to make you satisfaction
 
 
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