Key Features
Precision Ground Flat Head: Ensures a tight fit with minimal friction, preventing leaks during experiments.
Hollow Core Design: Facilitates ventilation, gas sampling, or fluid transfer without compromising sealing integrity.
Borosilicate Glass Construction: Resistant to thermal shock, acids, and alkalis, ideal for high-temperature applications.
Airtight Seal: Minimizes contamination risks and maintains pressure/vacuum conditions.
Multi-Size Availability: Offered in five common dimensions to fit diverse laboratory equipment.
Technical Specifications
Material: Borosilicate Glass (Grade 3.3, ISO 358)
Color: Clear/Colorless
Surface Finish: Smooth, ground flat surface for optimal sealing
Sizes Available:
14×23 mm (Height × Outer Diameter)
24×29 mm
29×32 mm
34×35 mm
40×38 mm
Compatibility: Fits standard ground glass joints (e.g., 14/23, 24/29, etc.).
Applications
Chemistry & Biochemistry: Sealing reaction vessels, distillation setups, or chromatography columns.
Pharmaceuticals: Maintaining sterile conditions in fermentation or synthesis processes.
Environmental Testing: Collecting gas samples or monitoring air quality.
Education: Demonstrating principles of vacuum or pressure systems in classrooms.
Why Choose Our Stoppers?
Quality Assurance: Each stopper undergoes rigorous inspection for dimensional accuracy and surface smoothness.
Versatility: Compatible with both routine and high-precision laboratory workflows.
Safety: Non-toxic and resistant to most chemicals, reducing contamination risks.
Order Information
For bulk inquiries or custom sizes, contact our sales team. Ensure compatibility by verifying your equipment’s ground joint size before purchase.
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