1. Plasticware Lab Supplies For Sale
  2. sku: 13394255716681741
  3. BUCHI 000643

BUCHI 000643 Ptfe Hose Transparent Rotovapor 5/42 460MM

000643 Buchi Lot Of 4 Ptfe-hose Transparent D 5/42 X L 460mm For Rotovapor

( Brand: Buchi ), ( Manufacturer Part Number: 000643 ), ( Part Type: Hose ), ( Intended Use/discipline: Biological Laboratory, Microbiological Laboratory )

Review BUCHI Lot Of Ptfe hose Transparent5/42 460mm Rotovapor

The **B chi 000643 PTFE-Hose (Transparent, 5/42, 460 mm)** is a high-performance, laboratory-grade hose specifically engineered for seamless integration with B chi s Rotovapor systems, ensuring optimal efficiency and reliability during rotary evaporation processes. Constructed from **polytetrafluoroethylene (PTFE)**, this hose stands out for its exceptional chemical resistance, making it compatible with a wide range of solvents, acids, and bases commonly used in organic synthesis, pharmaceutical development, and analytical chemistry. The **transparent design** allows for real-time visual monitoring of the evaporation process, enabling operators to track fluid flow, detect potential blockages, or assess the progress of solvent removal without disassembling the system. With an **inner diameter of 5/42 (approximately 3.18 mm)** and an overall length of **460 mm**, this hose is meticulously sized to maintain optimal pressure and flow dynamics within the Rotovapor s vacuum system, minimizing energy loss and maximizing evaporation efficiency. Its **flexible yet durable construction** ensures compatibility with the Rotovapor s rotating flask assembly, reducing the risk of leaks or mechanical stress during operation. Additionally, the PTFE material provides a non-reactive surface, preventing contamination of sensitive samples and extending the hose s lifespan even under rigorous laboratory conditions. Whether used in routine solvent recovery, concentration of extracts, or large-scale preparative work, this hose exemplifies precision engineering, delivering both performance and peace of mind for researchers and technicians demanding the highest standards of laboratory equipment.

**Pros and Cons of buying a Buchi 000643 PTFE-Hose (Transparent, 5/42, 460mm) for a Rotovapor**

### **Pros:**

1. **Compatibility with Rotovapor Systems** The Buchi 000643 hose is specifically designed for use with Buchi Rotovapor models, ensuring a secure and leak-free connection to the vacuum pump, condenser, and receiving flask. This reduces the risk of contamination or system failure during evaporation processes.

2. **PTFE (Polytetrafluoroethylene) Material** PTFE is chemically inert, resistant to most solvents, acids, and bases, and has a high temperature tolerance. This makes the hose ideal for handling aggressive solvents (e.g., dichloromethane, ethanol, or acetone) without degradation or leaching of harmful substances.

3. **Clarity and Visibility** The transparent design allows operators to visually inspect the flow of liquid or solvent within the hose, which is useful for monitoring evaporation progress, detecting blockages, or ensuring no leaks are present during operation.

4. **Standardized Dimensions** The 5/42 (female) and 460mm length are common specifications for Buchi Rotovapor setups, making it easy to replace or upgrade existing hoses without compatibility issues. This standardization also simplifies maintenance and troubleshooting.

5. **Durability and Longevity** PTFE hoses are known for their resistance to wear, UV light, and environmental factors, which extends the lifespan of the hose compared to rubber or silicone alternatives. This reduces the need for frequent replacements, saving time and money in the long run.

6. **Easy Installation and Maintenance** The hose is straightforward to connect and disconnect, requiring minimal tools. PTFE is also easy to clean, as it can be rinsed with solvents or wiped down without damage, ensuring consistent performance over multiple uses.

7. **Safety** The inert nature of PTFE minimizes the risk of chemical reactions or toxic fumes, making it safer for use in laboratory environments where solvent exposure is common.

---

### **Cons:**

1. **Limited Flexibility** While PTFE is durable, it is less flexible than silicone or rubber hoses, which can make routing the hose through tight spaces or around obstacles more challenging. This may require additional clamps or supports to maintain proper alignment.

2. **Potential for Static Buildup** PTFE can generate static electricity, which may pose a risk in environments with flammable solvents. While this is rare, it is something to consider if working with highly volatile or explosive substances.

3. **Cost** PTFE hoses are generally more expensive than standard rubber or silicone hoses due to the material s high-quality properties. For laboratories with tight budgets, this may be a significant factor in the purchasing decision.

4. **Not Suitable for Extreme Temperatures** While PTFE has a high temperature tolerance, it is not designed for prolonged exposure to very high temperatures (above 260 C). If the Rotovapor operates under extreme conditions, alternative materials may be required.

5. **Potential for Swelling or Degradation with Certain Solvents** Although PTFE is highly resistant, some exotic or highly polar solvents (e.g., certain ionic liquids or supercritical fluids) might interact with it over time, though this is uncommon with standard laboratory solvents.

6. **Limited Availability of Replacement Parts** If the hose fails, finding an exact replacement (especially for older Buchi models) may be difficult, depending on the supplier s stock and regional availability.

7. **Potential for Blockages** If residues or dried solvent crystals accumulate inside the transparent hose, they may be harder to detect visually compared to opaque hoses. This could lead to clogs that disrupt the evaporation process unless regular cleaning is performed.

---

### **Conclusion:**

The Buchi 000643 PTFE hose is a high-quality, reliable choice for Rotovapor systems, particularly in laboratories where chemical resistance, clarity, and durability are critical. Its inert properties and compatibility with Buchi equipment make it a preferred option for routine use with a wide range of solvents. However, its higher cost and slightly reduced flexibility may be drawbacks for some users, especially those working in space-constrained or budget-sensitive environments.

For most standard laboratory applications such as solvent evaporation, concentration, or sample preparation the benefits of using a PTFE hose far outweigh the drawbacks. It is particularly well-suited for environments where solvent purity, safety, and ease of monitoring are priorities.

---

### **Recommendation:** **Purchase the Buchi 000643 PTFE hose if:**

- You are using a Buchi Rotovapor system and need a reliable, chemically inert connection.

- Your work involves handling aggressive solvents (e.g., dichloromethane, acetone, or ethanol) where material compatibility is essential.

- You value the ability to visually inspect the hose for leaks or blockages during operation.

- You prioritize long-term durability and minimal maintenance requirements.

**Consider alternatives (e.g., silicone or reinforced rubber hoses) if:**

- Your budget is limited, and the higher cost of PTFE is a concern.

- You frequently work with very high-temperature applications or exotic solvents where PTFE may not be optimal.

- Space constraints make flexibility a critical factor in hose routing.

For the vast majority of Rotovapor users, the Buchi 000643 PTFE hose is the best choice due to its balance of performance, safety, and compatibility. Always ensure it is properly installed and regularly inspected to maintain optimal functionality.

Details:

Because we placed an order through New Life Scientific for a used Loopholes, were able to get that super fast, so could move forward. Dimensions x L. 5/42 x 460mm. 30 DAY, WARRANTY: This instrument is backed with a 30-day warranty, protecting you against breakdowns and damage.

I could not be happier with the piece of equipment that was able to get through New Life. I feel very lucky. Manufacturer. I wouldn't say had bad experiences, BUT only good experiences with New Life Scientific.

Quality, Inspection: Our instruments are inspected, tested, repaired, serviced and supported by our technicians. They are very responsive, especially Micah. Midland Scientific. X4 Buchi 000643 PTFE-Hose Transparent5/42 x L 460mm - 30 Day Warranty, Specifications.

Buchi PTFE-Hose for Rotovapor. I looked at a few local refurbishing companies. They really make me feel like an important customer.

part #: 000643 price

  • $41.99

specifications plasticwarelabsuppy:

  • brand: Buchi
  • mpn: 000643
  • part type: Hose
  • intended use/discipline: Biological Laboratory, Microbiological Laboratory

general plasticwarelabsuppy:

  • Medical, Lab Dental Supplies > Glassware Plasticware > Other Medical Lab Glassware
  • condition: New

seller plasticwarelabsuppy:

  • rating: 99.5%
  • # reviews: 8521
  • city: Lima, Ohio

offer plasticwarelabsuppy:

  • best offers: True
  • started: March 5, 2026
  • options: Ship-to-home
  • quantity: 1
  • sold: 0
  • availability: In Stock

payments plasticwarelabsuppy:

  • other
  • credit card: Visa
  • wallet: Apple-pay

shipping plasticwarelabsuppy:

  • class: Standard, Expedited, One-day
  • type: Calculated
  • transit: 2-6 Days
  • cost: $21.86
  • service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air
  • carrier: UPS

returns plasticwarelabsuppy:

  • policy: Returns Accepted
  • method: Money back
  • time: 30 Days
  • paid by: Buyer
part type: hose, intended use/discipline: biological laboratory, microbiological laboratory,
category: business & industrial > medical, lab dental supplies > glassware plasticware > medical lab glassware, sku: 13394255716681741,
Buchi 000643 Is Similar To:
plasticwarelabsuppy logo
1 offer $41.99 USD
  • New. Offer #1 priced at $41.99 + $22.22 shipping estimate = $64.21* total. Because we placed an order through New Life Scientific for a used Lyophilizer, we were able to get that super fast, so we could move forward. X4 Buchi PTFE-Hose Transparent D 5/42 x L 460mm.+$22.22 shipping

Copyright © plasticwarelabsuppy.com