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Cork Stopper, Extra Soft, Two Holes

Dual-Bored Architecture: Features two symmetrical, precision-drilled channels designed to securely accommodate standard glass tubing, thermometers, or gas delivery tubes without the risk of material crumbling or cracking.

Superior Compressibility: Manufactured from high-grade "extra soft" natural bark, which allows the stopper to expand and contract significantly within glassware necks, ensuring a vacuum-tight seal even on irregular surfaces.

225.00

Quick Answer: Extra-soft cork stoppers with two precision-drilled holes, designed for simultaneous gas exchange and temperature monitoring, offering a flexible fit well suited to distillation and titration setups.

Price: This listing does not currently show a published price on stemaids.com — contact STEMAids directly for an indicative quotation.

Product Description

These extra-soft cork stoppers are designed to provide a seal for laboratory glassware, featuring two precision-drilled holes suited to simultaneous gas exchange and temperature monitoring. Their natural, high-flexibility composition is designed to help provide an airtight friction fit, making them well suited to distillation, titration, and other setups requiring dual insertion points.

Specifications

Specification Detail
Material Natural cork, extra-soft
Configuration Two holes, precision-drilled
Intended use Distillation, titration, gas exchange with temperature monitoring
Size range Not specified in listing — confirm with STEMAids

Applications / Uses

  • Distillation setups requiring dual glass tubing or thermometer insertion
  • Titration and general chemistry procedures needing gas exchange
  • Simultaneous temperature monitoring and gas ventilation

Care & Maintenance

  • Store in a clean, dry environment away from direct sunlight
  • Inspect periodically for cracking or wear around the hole openings
  • Confirm correct size for your specific glassware before use
  • Replace once sealing performance degrades

Why Choose STEMAids

STEMAids, a brand of Eduscope Smart Learning Solutions Private Limited, supplies general laboratory equipment and teaching aids to schools, colleges, and training institutes across India, with export and bulk tender support available. Explore related products in our General Lab Products category, including our Earthquake Shake Table. For bulk or institutional orders, visit our tenders page or contact us at 9311411822.

Frequently Asked Questions

What sizes are available for this stopper?

Exact size range is not specified in this listing. Confirm the specific sizes available with STEMAids before ordering.

What is the two-hole design used for?

It allows simultaneous insertion for two purposes at once, such as gas exchange through one hole and temperature monitoring through the other.

Does this stopper guarantee an airtight fit?

It is designed to help provide an airtight friction fit, but actual sealing performance also depends on choosing the correct size for your specific glassware.

Why choose extra-soft over standard cork?

Extra-soft cork offers greater flexibility, which can provide a more adaptable fit across slightly varying glassware openings.

What is the indicative price for this product?

This listing does not currently show a published price on stemaids.com — contact STEMAids directly for an indicative quotation.

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