Eisco Size I Solid Rubber Stopper

Eisco Size I Solid Rubber Stopper (28–32 mm top, 30 mm length)

The Eisco Size I Solid Rubber Stopper provides reliable closure for larger culture tubes and narrow-necked laboratory flasks.

Made from natural rubber, this stopper resists wear from acids, alkalis and solvents while retaining elasticity through repeated use. Its conical taper ensures a snug fit across wider openings, while the smooth finish prevents leaks and protects glassware during handling. Designed for long-term laboratory use, it withstands sterilisation and routine cleaning without loss of performance.

Practical Applications
– Sealing large culture tubes in microbiology and chemistry labs
– Closure for narrow-neck flasks in teaching and research environments
– General use as a rubber bung in experimental setups

Key Features
– Stopper for 28–32 mm openings
– Flexible, reusable natural rubber
– Resistant to laboratory chemicals and solvents
– Smooth finish ensures tight sealing

Quality & Standards
– Produced from durable natural rubber
– Suitable for repeated sterilisation cycles

Specifications
– Size: I
– Top diameter: 28–32 mm
– Length: 30 mm
– Material: Natural rubber
– Brand: Eisco Labs

The Eisco Size I stopper delivers dependable sealing for large culture tubes and narrow flasks in education, research and industrial laboratories.

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