Separatory Funnels & Burettes
High Purity PTFE Buchner Funnel Vacuum Filtration System Corrosion Resistant Low Trace Laboratory Suction Filter Apparatus
Item Number : PL-CP02
Price varies based on specs and customizations
- Material
- High-Purity Virgin PTFE
- Temperature Resistance
- -200°C to +250°C
- Available Sizes
- 60mm to 300mm Diameter
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Product Overview




This high-purity filtration system represents a significant advancement in laboratory sample preparation, specifically engineered to replace traditional ceramic Buchner funnels in demanding environments. Constructed entirely from premium-grade Polytetrafluoroethylene (PTFE), the equipment provides an unbreakable, chemically inert solution for vacuum or negative pressure filtration. By utilizing advanced fluoropolymer technology, the unit ensures that sensitive samples remain free from contamination, making it an essential tool for laboratories focused on inorganic synthesis, crystal recovery, and high-purity chemical processing.
The system is designed to interface seamlessly with suction flasks and vacuum pumps to facilitate the rapid separation of solids from liquids. Unlike traditional porcelain alternatives that are prone to cracking and chipping, this fluoropolymer-based unit offers exceptional mechanical durability and thermal stability. It is particularly valued in industries such as semiconductor manufacturing, environmental testing, and pharmaceutical research, where the integrity of the sample and the longevity of the apparatus under aggressive solvent exposure are paramount.
Built to withstand the most rigorous industrial conditions, the system delivers consistent performance across a wide temperature spectrum. The non-stick nature of the material ensures easy recovery of filtered precipitates and simplifies the cleaning process, reducing the risk of cross-contamination between batches. Whether performing trace metal analysis or large-scale chemical filtrations, this apparatus provides the reliability and precision that modern research and production facilities demand.
Key Features
- Superior Chemical Inertness: Fabricated from virgin PTFE, this system is virtually resistant to all industrial chemicals, including strong acids, bases, and organic solvents, ensuring no leaching or sample interference during the filtration process.
- Extreme Thermal Stability: The equipment maintains its structural integrity and performance across a broad operating range from -200°C to +250°C, allowing for the filtration of cryogenic fluids or high-temperature chemical reactions.
- Unbreakable Material Construction: Unlike traditional ceramic or glass Buchner funnels, this unit is impact-resistant and durable, eliminating the risk of breakage during vacuum stress or accidental drops, which enhances laboratory safety and reduces replacement costs.
- Low Trace Background: Specifically designed for trace analysis applications (ICP-MS/AAS), the material exhibits exceptionally low adsorption and background levels, ensuring the highest accuracy for isotope detection and metal analysis.
- Precision-Machined Porous Plate: The internal filtration surface is CNC-machined to provide uniform pore distribution, ensuring consistent vacuum pressure and efficient flow rates across the entire surface of the filter paper.
- Enhanced Non-Stick Surface: The hydrophobic properties of the fluoropolymer prevent filtered solids from adhering to the walls or the base, maximizing the recovery of precious precipitates and simplifying the decontamination procedure.
- Universal Compatibility: The tapered stem and design architecture allow the unit to be used with standard laboratory suction bottles, o-rings, and gaskets, providing a versatile solution for varied laboratory setups.
- Pure White Aesthetic and Cleanliness: The smooth, pore-free surface finish resists staining and bacterial growth, maintaining a clean laboratory environment and facilitating easy visual inspection of the filtration progress.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Trace Metal Analysis | Filtering samples for ICP-MS and AAS where metallic contamination from ceramic must be avoided. | Ultra-low background levels ensure analytical accuracy. |
| Pharmaceutical Synthesis | Separation of active pharmaceutical ingredients (APIs) from aggressive solvent mixtures. | High chemical resistance prevents material leaching into the drug product. |
| Cryogenic Filtration | Processing materials at extremely low temperatures down to -200°C. | Material remains ductile and functional without becoming brittle. |
| Corrosive Acid Recovery | Filtration of concentrated sulfuric, nitric, or hydrofluoric acids used in industrial etching. | Complete immunity to acid-base corrosion extends equipment lifespan. |
| Semiconductor Grade Chemicals | High-purity filtration of chemicals used in wafer fabrication and electronic components. | Maintains the highest purity standards required for microelectronics. |
| Environmental Testing | Collecting particulate matter from wastewater or soil extracts for pollutant analysis. | Durable construction survives field-to-lab transport and heavy use. |
| Precious Metal Refining | Recovery of gold, platinum, or silver precipitates from aqua regia or other strong oxidizers. | Non-stick surface ensures maximum yield of expensive materials. |
Technical Specifications
| Specification Parameter | Technical Detail for PL-CP02 |
|---|---|
| Product Item Number | PL-CP02 |
| Material Composition | 100% High-Purity Virgin PTFE (Polytetrafluoroethylene) |
| Operating Temperature Range | -200°C to +250°C |
| Low-Temperature Performance | Maintains 5% ductility at -196°C |
| Available Diameter (Inner) | 60mm, 80mm, 100mm, 120mm, 150mm, 200mm, 250mm, 300mm |
| Color | Pure Opaque White |
| Chemical Compatibility | Universal resistance (except molten alkali metals and fluorine at high pressure) |
| Surface Finish | Smooth CNC-machined, non-adsorbent |
| Structural Feature | Integrated porous filter plate, tapered connection stem |
| Compatible Media | Filter paper, membrane filters, vacuum suction bottles |
Why Choose [Product Name]
- Engineered for High-Purity Environments: Our vacuum filtration systems are the gold standard for trace analysis labs. By choosing a PTFE-based solution, you eliminate the risks of sample contamination associated with traditional materials, ensuring the integrity of your most sensitive scientific data.
- Precision Custom Fabrication: Unlike mass-produced plastic labware, each unit is manufactured using precision CNC machining. This ensures exact tolerances for the filter plate and stem, providing a perfect seal and consistent vacuum performance that cheap alternatives cannot match.
- Unrivaled Durability and Safety: The robust nature of the high-performance fluoropolymer means this equipment is a one-time investment. It will not shatter under vacuum pressure or thermal shock, protecting your staff and your valuable samples from laboratory accidents.
- Optimized for Operational Efficiency: The non-stick, easy-to-clean properties of the system significantly reduce downtime between filtration runs. The efficiency of solid recovery is maximized, ensuring that your laboratory processes are both faster and more cost-effective.
- Versatility Across Industries: Whether you are in heavy industrial chemical production or advanced academic research, this system adapts to your specific needs. Its ability to handle everything from cryogenic temperatures to boiling acids makes it the most versatile filtration tool in your inventory.
For custom sizes, specialized configurations, or bulk procurement inquiries, please contact our technical sales team today to receive a personalized quote and technical consultation.
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Product Datasheet
High Purity PTFE Buchner Funnel Vacuum Filtration System Corrosion Resistant Low Trace Laboratory Suction Filter Apparatus
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