GLOBE SCIENTIFIC 118240W Polyethylene Flange Plug Cap Tubes 13MM

( Brand: Globe Scientific ), ( Manufacturer Part Number: 118240W ), ( Part Type: Flange Plug Cap Tube )

Review GLOBE SCIENTIFIC Polyethylene White Flange Plug Cap Test Tubes 13mm

The **Globe Scientific 118240W Polyethylene Flange Plug Cap** is a precision-engineered laboratory accessory designed to provide a secure, leak-proof seal for 13mm ( -inch) diameter glass or plastic tubes, making it an indispensable component for fluid handling, sample storage, and experimental setups in scientific research, pharmaceutical development, and industrial applications. Constructed from high-quality **polyethylene (PE)**, this plug cap is chemically resistant to a wide range of solvents, acids, bases, and organic compounds, ensuring compatibility with most laboratory reagents while maintaining structural integrity under moderate pressure conditions. Its **flanged design** offers a snug, interference-fit connection that minimizes the risk of accidental dislodgment, making it ideal for applications requiring stability, such as chromatography columns, distillation apparatuses, or sample vials in analytical procedures. The smooth, tapered interior of the cap ensures a consistent seal without damaging the tube s surface, while its durable, translucent polyethylene material allows for easy visual inspection of the connection without compromising sterility. Whether used in routine laboratory workflows or specialized experiments, this plug cap combines reliability, ease of use, and chemical resistance to streamline operations while upholding the highest standards of contamination control. Its universal compatibility with standard 13mm tubing systems further enhances its versatility, making it a cost-effective solution for laboratories seeking durable, long-lasting accessories that simplify handling and storage of liquids and gases.

**Pros and Cons of buying a Globe Scientific 118240W Polyethylene Flange Plug Cap for 13mm Tubes**

1. **Material Durability** Polyethylene is a robust, corrosion-resistant plastic that can withstand exposure to moisture, chemicals, and mild acids, making it suitable for laboratory or industrial applications where cleanliness and longevity are important.

2. **Compatibility** Designed specifically for 13mm tubing, ensuring a secure and leak-free fit when properly installed. The flange design allows for easy attachment to connectors or adapters.

3. **Cost-Effective** Compared to metal or glass alternatives, polyethylene plug caps are generally affordable, reducing material costs for bulk purchases or frequent replacements.

4. **Easy Installation** The design is straightforward, requiring minimal tools (often just a slight press fit or adhesive) for secure placement, saving time in laboratory or fieldwork settings.

5. **Chemical Resistance** Polyethylene resists degradation from many solvents, oils, and mild chemicals, making it versatile for various applications, including fluid handling or sample containment.

6. **Lightweight** Easier to handle and transport compared to heavier materials like metal or glass, reducing user fatigue during prolonged use.

7. **Reusable** Unlike single-use materials, this plug cap can be removed and reused multiple times, provided it remains undamaged, offering long-term value.

8. **Low Maintenance** Requires minimal upkeep; no need for lubrication or special care beyond basic cleaning with appropriate solvents if contaminated.

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1. **Limited Temperature Resistance** Polyethylene has a relatively low melting point (around 105 135 C, depending on the grade) and can soften or deform under high heat, restricting use in high-temperature environments.

2. **Not Ideal for Extreme Conditions** While resistant to many chemicals, it may degrade or dissolve in strong solvents (e.g., aromatic hydrocarbons, ketones, or chlorinated compounds), limiting its use in aggressive chemical environments.

3. **Potential for Brittleness Over Time** Prolonged exposure to UV light or repeated stress (e.g., frequent insertion/removal) can cause the polyethylene to become brittle, reducing its lifespan.

4. **Seal Reliability Depends on Installation** If not seated properly or if the tubing surface is rough, the plug cap may not form a perfect seal, risking leaks. Some users may require additional sealing methods (e.g., adhesive or tape).

5. **Limited Pressure Resistance** Polyethylene is not designed for high-pressure applications. Excessive internal pressure could cause the cap to crack or fail, especially if the tubing or connections are compromised.

6. **Aesthetic Limitations** Unlike glass or metal, polyethylene does not provide a clear visual inspection of the contents inside the tubing, which may be a drawback in applications requiring transparency.

7. **Potential for Contamination** If not cleaned thoroughly after use, polyethylene can harbor residues or bacteria, which may be problematic in sterile or high-purity environments (e.g., pharmaceutical or medical settings).

8. **Compatibility with Adhesives** Some adhesives or sealants may not bond well with polyethylene, requiring careful selection of sealing methods if additional security is needed.

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The **Globe Scientific 118240W polyethylene flange plug cap for 13mm tubes** is a practical and cost-effective solution for general laboratory, industrial, or fieldwork applications where moderate chemical resistance, ease of use, and durability are prioritized. It excels in low-to-moderate temperature environments and for non-aggressive fluids, offering a balance of affordability and functionality. However, its limitations such as temperature sensitivity, chemical compatibility issues, and lack of transparency make it unsuitable for high-pressure, high-temperature, or highly corrosive applications. Users should carefully assess their specific needs before purchasing, ensuring the cap aligns with the intended use case.

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- You need a **budget-friendly, reusable plug cap** for standard laboratory or fieldwork use with **13mm tubing**.

- Your application involves **low-to-moderate temperatures** (below 100 C) and **non-aggressive chemicals** (e.g., water, dilute acids, or mild solvents).

- You require **quick and easy installation** without specialized tools.

- The **lightweight and corrosion-resistant** properties of polyethylene are advantageous for your workflow.

- Your application involves **high temperatures, high pressure, or strong solvents** (e.g., acetone, toluene, or concentrated acids), as these may degrade the polyethylene.

- You need **transparency or visual inspection** of the tubing contents.

- The environment requires **sterile or ultra-clean conditions** where contamination risks are a concern (consider glass or metal alternatives instead).

- You frequently handle **abrasive or particulate-laden fluids**, as these could damage the cap over time.

- For **high-temperature or chemical resistance**, explore **PTFE (Teflon) or PFA-lined caps** or **metal (stainless steel) caps**.

- For **sterile applications**, **glass or borosilicate caps** may be preferable.

- For **high-pressure use**, **metal or reinforced plastic caps** with threaded or clamped designs are better suited.

In summary, this plug cap is a **solid choice for general-purpose use** but should not be relied upon in extreme or specialized conditions. Always verify compatibility with your specific fluids, temperatures, and pressure requirements before purchasing.

Details:

This high-quality plug cap from Globe Scientific is designed for use with test tubes and made durable polyethylene material. It is compatible with a variety of test tubes and easy to use, ensuring that you can complete your testing procedures ease.

part #: 118240w prices

• $21.15-$40.52

specifications plasticwarelabsuppy:

• brand: Globe Scientific
• mpn: 118240w
• part type: Flange Plug Cap Tube

general plasticwarelabsuppy:

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

offer plasticwarelabsuppy:

• best offers: True
• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 1
• started: May 25, 2026

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• time: 30 Days
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seller plasticwarelabsuppy:

• city: Scottsdale, Arizona
• # reviews: 1722
• rating: 99.4%

shipping plasticwarelabsuppy:

• service: USPS Ground Advantage
• type: Fixed
• carrier: USPS
• transit: 4-9 Days
• class: Standard
• cost: $0.00

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