Product Image
More sustainable than new
$16.25$40.64Save 60%

  • Quality focus
  • Sustainable sourcing
  • Supplier accountability
  • Industry trust

We partner with reputable suppliers who have vested interest to uphold their brand integrity, prioritize sustainability by reducing waste, and maintain transparency in product listings. As a B2B marketplace, we rely on supplier accountability while encouraging best practices, though final quality and compliance remain their responsibility.

Product Details

Manufacturer
Fisherbrand
SKU
11507632
Shipped From
United Kingdom

About this product

Fisherbrand™ Natural Rubber Two Hole Stoppers

Application

Secure sealing for laboratory glassware requiring dual-access points, such as distillation setups, gas delivery systems, and fermentation apparatus. Ideal for chemical synthesis, educational labs, and industrial processes.

Product Details

  • Material: Natural rubber
  • Color: Red
  • Design: Tapered stopper with two pre-formed holes
  • Packaging: 10 pieces per pack

Key Features

  • Dual-hole configuration: Accommodates tubing, thermometers, or condensers simultaneously
  • Flexible elasticity: 46-55 IRHD hardness ensures airtight seals on standard glassware
  • Chemical compatibility: Resists mild acids, alkalis, and aqueous solutions
  • Temperature resistance: Suitable for use between -30°C to 100°C (short-term)

Specifications

  • Diameter (Metric) Hole: 5 mm
  • Hardness: 46-55 IRHD
  • Sterility: Non-sterile

Operational Benefits

  • Simplifies assembly of multi-component laboratory setups
  • Reduces glassware stress through gradual taper design
  • Enhances safety by preventing sudden pressure releases

Usage Guidelines

  • Match hole size with tubing using appropriate adapters
  • Lubricate with glycerol for easier insertion into glass joints
  • Inspect for cracks before reuse in vacuum applications

Related Products

What Our Clients Say

Supporting innovation at leading research companies

RNAnalytics

RNAnalytics

Leading The Way In Gene Therapy Analytics

As a startup focused on developing analytical toolkits for LNP characterization, RNAnalytics operates under tight budget constraints while striving to maintain a fully stocked lab with high-quality materials. Sustainability is also a core pillar of our operations, pushing us to make environmentally conscious decisions wherever possible....