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Borosilicate Glass 3.3 Dimroth Reflux Condenser, Coiled Inner Tube, Standard Ground Joint
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Specifications:
| Application | Analytical Chemistry |
| Storage Temperature | Ambient |
| Product Type | Glass Condensers |
| Product Grade | Analytical grade |
The Reflux Condenser (Dimroth Type) made from Borosilicate Glass 3.3 is a high-performance condenser specifically engineered for reflux applications requiring maximum cooling efficiency. Featuring a coiled inner tube design, this condenser allows coolant to flow through the coil while vapor condenses on the outer surface, delivering exceptional heat exchange and condensation performance.
Designed with standard ground glass joints, it integrates seamlessly into laboratory setups and is ideal for continuous reflux reactions, high-boiling solvents, and demanding chemical processes.
Key Features & Benefits
Coiled Inner Tube Design (Dimroth Type)
- Coolant flows inside the coil for enhanced heat transfer efficiency
- Provides maximum surface contact between coolant and vapor
- Ideal for high-efficiency reflux applications
Superior Cooling Performance
- Significantly higher efficiency than Liebig and Allihn condensers
- Suitable for high boiling solvents and prolonged reflux operations
- Minimizes vapor loss and improves reaction control
Borosilicate Glass 3.3 Construction
- Excellent resistance to thermal shock and chemical corrosion
- Suitable for continuous heating and cooling cycles
- Durable and long-lasting
Standard Ground Glass Joints
- Ensures secure, leak-proof integration
- Compatible with standard laboratory glassware systems
- Available in multiple joint sizes (14/23, 19/26, 24/29, 29/32)
Clear Glass Visibility
- Enables monitoring of condensation and reflux behavior
- Supports process optimization and safety
Applications
- Reflux Reactions in Organic Chemistry
- High-Boiling Solvent Processing
- Pharmaceutical and Chemical Synthesis
- Distillation Systems (Advanced Setups)
- Research and Industrial Laboratories
Technical Specifications
| Feature | Details |
|---|---|
| Material | Borosilicate Glass 3.3 |
| Type | Reflux Condenser (Dimroth Type) |
| Cooling Method | Water-cooled (internal coil) |
| Inner Tube | Coiled |
| Joint Type | Standard Ground Joint |
| Joint Sizes | 14/23, 19/26, 24/29, 29/32 |
| Chemical Resistance | Excellent |
| Transparency | Clear |
Product Variants
| Jacket Length (mm) | Ground Joint | Cooling Area (dm²) | Total Length (mm) |
|---|---|---|---|
| 150 | 14/23 | 2.0 | 235 |
| 200 | 14/23 | 3.7 | 295 |
| 200 | 19/26 | 3.7 | 330 |
| 200 | 24/29 | 3.7 | 350 |
| 200 | 29/32 | 3.7 | 360 |
| 300 | 19/26 | 5.4 | 430 |
| 300 | 24/29 | 5.4 | 450 |
| 300 | 29/32 | 5.4 | 460 |
| 400 | 19/26 | 7.3 | 530 |
| 400 | 24/29 | 7.3 | 550 |
| 400 | 29/32 | 7.3 | 560 |
| 500 | 19/26 | 9.2 | 630 |
| 500 | 24/29 | 9.2 | 650 |
| 500 | 29/32 | 9.2 | 660 |
Comparison: Dimroth vs Graham vs Allihn Condenser
| Feature | Dimroth (Reflux Coil) | Graham (Coil) | Allihn (Bulbed) |
|---|---|---|---|
| Cooling Efficiency | Very High | Very High | High |
| Cooling Mechanism | Internal coolant coil | External cooling around coil | Bulbed inner tube |
| Best Use | Reflux (high performance) | Distillation (high efficiency) | Reflux (general) |
| Vapor Control | Excellent | Excellent | Good |
| Complexity | Advanced | Advanced | Moderate |
Key Advantages
- Maximum cooling efficiency for reflux systems
- Optimized for high-temperature and high-boiling applications
- Durable borosilicate construction for long-term use
- Compatible with standard laboratory setups
The Borosilicate Glass Reflux Condenser (Dimroth Type) is a premium solution for high-efficiency reflux operations, delivering superior condensation performance for demanding laboratory applications. Its advanced design ensures optimal cooling, making it essential for modern chemical synthesis and analytical workflows.
- Jacket Length & Ground Joint: 150 mm, 14/23 200 mm, 19/26 200 mm, 24/29 300 mm, 19/26 300 mm, 24/29 400 mm, 19/26 400 mm, 24/29 500 mm, 24/29 200 mm, 14/23 200 mm, 29/32 300 mm, 29/32 400 mm, 29/32 500 mm, 19/26 500 mm, 29/32