Eisco Size D Solid Rubber Stopper

Eisco Size D Solid Rubber Stopper (15–20 mm top, 25 mm length)

The Eisco Size D Solid Rubber Stopper is designed for sealing wide test tubes and slim laboratory flasks.

Made from resilient natural rubber, this stopper combines durability with flexibility. Its smooth conical taper adapts to wider vessels while resisting wear from acids, bases and laboratory solvents.

Practical Applications
– Closure for wide test tubes in teaching labs
– Sealing small flasks and narrow bottles
– Routine chemical storage

Key Features
– Stopper for 15–20 mm openings
– Natural rubber resists chemical attack
– Smooth finish ensures safe closure
– Flexible and reusable design

Quality & Standards
– Manufactured from durable natural rubber
– Suitable for sterilisation and repeated use

Specifications
– Size: D
– Top diameter: 15–20 mm
– Length: 25 mm
– Material: Natural rubber
– Brand: Eisco Labs

The Eisco Size D stopper provides a versatile option for sealing wider test tubes and slim flasks.

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