Consumables

The Laboratory Turnover Stopper Sleeve is specially designed for securely sealing laboratory flasks, glassware, and various experimental containers. Manufactured from high-quality rubber or silicone materials, it provides excellent airtight performance, helping to prevent leakage, contamination, and solvent evaporation during laboratory procedures. Widely used in chemical, biological, and research laboratories, this stopper sleeve ensures reliable protection of samples and reagents while maintaining experimental accuracy and stability.

Product Features

Premium Material Options

Available in durable rubber or silicone materials with excellent flexibility, sealing performance, and chemical resistance.

Reliable Airtight Sealing

Provides a secure and leak-proof fit for laboratory flasks and glass containers, reducing the risk of contamination and evaporation.

Sample Protection

Helps protect reagents and samples from air exposure, preserving purity and minimizing degradation during storage or experiments.

Standard Laboratory Sizes

Offered in common laboratory specifications including 14#, 19#, and 24# to fit various glassware applications.

Suitable for Multiple Applications

Ideal for chemistry experiments, laboratory sealing, sample preservation, and routine research applications.

Bulk Packaging Supply

Packed in convenient quantities of 100 pieces per bag, suitable for laboratory and industrial bulk purchasing.

Product Specifications

Rubber urnover Stopper Sleeve

Silicone urnover Stopper Sleeve