1. Plasticware Lab Supplies For Sale
  2. sku: 14013465881983892
  3. UXCELL 641832113805

UXCELL Vials Rubber Legs Butyl Stopper 641832113805 7.5MM/0.3 100PCS

Uxcell 641832113805 7.5mm/0.3 Inch Vials Rubber Stoppers 100pcs Two Legs Butyl Stopper Grey

( Brand: Uxcell ), ( Part Type: Leg Vial Stopper ), ( Net Weight: 0.465 ), ( California Prop 65 Warning: Cancer And Reproductive Harm Www.p65warnings.ca.gov ), ( UPC: 641832113805 )

Review UXCELL 7.5mm/0.3 Inch Vials Rubber Stoppers 100pcs Two Legs Butyl Stopper Grey

The **UXCELL 641832113805 7.5mm/0.3" Vials with Butyl Rubber Stoppers (100pcs)** represent a high-quality, precision-engineered solution for laboratories, pharmaceutical research, and analytical testing environments where reliable sample containment and sealing are critical. These vials are crafted from durable **borosilicate glass (Type I)**, a material renowned for its exceptional chemical resistance, thermal stability, and resistance to thermal shock, making them ideal for applications involving harsh solvents, extreme temperatures, or prolonged storage. Each vial features a **7.5mm (0.3") standard diameter**, a universally compatible size that ensures seamless integration with most laboratory equipment, including centrifuges, shakers, and automated liquid handling systems. The **butyl rubber stoppers** provide an airtight, flexible seal that minimizes evaporation, contamination, and exposure to atmospheric moisture, while also offering a degree of resilience against punctures or leaks during routine handling or transport. Constructed from **high-purity butyl rubber**, these stoppers are chemically inert, ensuring they do not leach impurities into sensitive samples, and they maintain their elasticity across a broad temperature range, from cryogenic conditions to elevated temperatures. The **100-piece pack** offers a cost-effective solution for laboratories requiring bulk quantities without compromising on quality, and the stoppers are designed to fit snugly into the vials, reducing the risk of accidental dislodgment during centrifugation or agitation. Whether used for storing biological samples, chemical reagents, or environmental test specimens, these vials and stoppers combine precision engineering with practicality, delivering a dependable system for preserving sample integrity over extended periods. Their compatibility with standard crimp caps and septa further enhances their versatility, allowing for additional sealing options when required. Overall, the **UXCELL 641832113805 vials and butyl stoppers** are a reliable choice for professionals who demand consistency, durability, and contamination-free performance in their laboratory workflows.

**Pros and Cons of Buying UXCell 641832113805 (7.5mm/0.3mL Vials with Butyl Rubber Stoppers, 100pcs)**

### **Pros:**

1. **Compatibility and Standardization** The 7.5mm (0.3mL) vial size is a widely used standard in laboratories, making these stoppers compatible with most glass vials and laboratory equipment. This reduces the need for custom solutions and ensures ease of use in routine procedures.

2. **Butyl Rubber Material** Butyl rubber stoppers are known for their excellent sealing properties, low permeability to gases, and resistance to moisture. This makes them ideal for storing volatile or sensitive samples, preventing contamination and preserving sample integrity over time.

3. **Cost-Effectiveness** Purchasing in bulk (100pcs) often provides better value compared to smaller quantities, especially for frequent users like laboratories, research facilities, or pharmaceutical operations. The price per unit tends to decrease with larger orders.

4. **Durability and Longevity** Butyl rubber stoppers are chemically stable and resistant to degradation from many common solvents and reagents, extending their usability for repeated use or long-term storage.

5. **Easy to Use** The stoppers fit snugly into standard vials, and their rubber material allows for easy insertion and removal without damaging the vial or the stopper itself. They are also compatible with crimp caps and other sealing systems if needed.

6. **Wide Availability** As a generic, widely distributed product, these stoppers are easy to find and order from multiple suppliers, reducing the risk of stock shortages.

7. **Sterility and Hygiene** If purchased from a reputable supplier, these stoppers may come in sterile packaging, which is crucial for maintaining sample purity in medical, biological, or pharmaceutical applications.

---

### **Cons:**

1. **Potential for Contamination** While butyl rubber is generally inert, it can absorb some organic compounds over time, which may lead to carryover or cross-contamination if not properly cleaned or replaced. This is particularly relevant in high-purity applications like pharmaceutical manufacturing or sensitive chemical analysis.

2. **Limited Temperature Resistance** Butyl rubber has a lower temperature tolerance compared to other materials like silicone or Teflon. Prolonged exposure to high temperatures (above 100 C) or extreme cold can degrade the stopper s integrity, affecting its sealing properties.

3. **Size and Fit Consistency** While 7.5mm vials are standard, slight variations in vial diameter or stopper size from different manufacturers can sometimes lead to a loose or difficult fit. This may require pre-testing or trimming the stoppers to ensure a proper seal.

4. **Environmental Concerns** Butyl rubber is not biodegradable, and disposing of large quantities of these stoppers may pose environmental challenges. Users must ensure proper recycling or disposal practices to mitigate waste.

5. **Potential for Leakage Over Time** With repeated use or exposure to certain chemicals, the rubber may become brittle or swell, compromising the seal. This could lead to leaks or contamination, especially in long-term storage scenarios.

6. **Allergenic Risks** Some individuals or sensitive equipment may react to the rubber material, particularly if the stoppers contain additives or preservatives. This is less common but worth considering in highly sensitive applications.

7. **Supplier Reliability** Depending on the supplier, quality may vary. Inferior butyl rubber stoppers might degrade faster, leak, or fail to provide an adequate seal. It s important to verify the supplier s reputation and certifications (e.g., ISO, FDA compliance) before purchasing.

---

### **Conclusion:**

The **UXCell 641832113805 butyl rubber stoppers** are a practical and cost-effective choice for general laboratory use, particularly for applications requiring reliable sealing and compatibility with standard vials. Their butyl rubber composition offers excellent barrier properties against moisture and gases, making them suitable for a wide range of samples, including those stored at room temperature or under moderate conditions.

However, they are not ideal for high-temperature applications, long-term exposure to aggressive chemicals, or ultra-high-purity environments where silicone or halogenated butyl alternatives might be preferable. Users should also be mindful of potential contamination risks, environmental impact, and the need for proper storage and disposal.

For **most standard laboratory, research, or pharmaceutical storage needs**, these stoppers are a **reliable and economical option**. If working with highly volatile, high-temperature, or ultra-pure samples, consider alternatives like silicone stoppers or halogenated butyl variants for enhanced performance.

---

### **Recommendation:** - **Buy these stoppers if:**

- You need a bulk, cost-effective solution for general laboratory use.

- Your samples are stable at room temperature and do not require extreme conditions.

- You prioritize compatibility with standard 7.5mm vials and easy handling.

- Your budget allows for occasional replacement due to wear or contamination risks.

- **Avoid or consider alternatives if:**

- You work with samples requiring high-temperature sterilization or extreme chemical resistance.

- Your application demands ultra-low permeability (e.g., cryogenic storage or long-term archiving).

- You are sensitive to potential rubber additives or allergenic risks.

- You frequently handle highly volatile or reactive substances that may degrade the rubber over time.

For **optimal results**, pair these stoppers with proper crimp caps or sealing systems, and always follow best practices for sample storage and handling. If in doubt, consult your laboratory s safety or quality control protocols to ensure compatibility with your specific workflow.

Details:

It is more clean and easier to use. Inside diameter: 7.5mm /0.3 inch. height : 10mm /0.4 inches. It forms a good seal and is suitable for long-term storage of liquids or solids.

Outer diameter: 12mm /0.6 inches. For shipping and handling charges for specific item, please refer to the item listing page more details. How to Use - These rubber caps can be punched with injection holes so that culture media injected an needle without removing the stopper. It is washable and reusable.

Specification:Material: Butyl Rubber. Suitable for: 7.5mm /0.3 inch Glass Vial. Suitable for oral liquid bottles, original solution essential oil freeze-dried etc.Material - Made of butyl rubber it has good resistance and acid alkali can maintain stable performance in high temperatures. You can put your trust in us.

Rubber Bottle Caps - These self-healing stoppers are worth it if you want to seal things, rubber drain feature an inert coating on the surface that helps better bottle, allowing contents be stabilized.

specifications plasticwarelabsuppy:

  • brand: Uxcell
  • part type: Leg Vial Stopper
  • net weight: 0.465
  • california prop 65 warning: Cancer And Reproductive Harm Www.p65warnings.ca.gov
  • upc: 641832113805

payments plasticwarelabsuppy:

  • other
  • wallet: Google-pay
  • credit card: Diners-club

offer plasticwarelabsuppy:

  • sold: 0
  • started: June 5, 2026
  • quantity: 2
  • availability: In Stock
  • best offers: True
  • options: Ship-to-home

returns plasticwarelabsuppy:

  • paid by: Buyer
  • method: Money back
  • policy: Returns Accepted
  • time: 30 Days

general plasticwarelabsuppy:

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

seller plasticwarelabsuppy:

  • city: Rancho Cucamonga,California
  • rating: 99.5%
  • # reviews: 69178

shipping plasticwarelabsuppy:

  • type: Fixed
  • transit: 5-11 Days
  • service: Standard
  • cost: $0.00
  • class: Standard
part type: leg vial stopper, net weight: 0.465, california prop 65 warning: cancer and reproductive harm www.p65warnings.ca.gov,
category: business & industrial > medical, lab dental supplies > glassware plasticware > medical lab glassware, sku: 14013465881983892,
Uxcell 641832113805 Is Similar To:

Copyright © plasticwarelabsuppy.com