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  3. FISHERBRAND 07835AA

FISHERBRAND 07835AA Cork Ring Pack 30X80MM

07835aa Fisherbrand 30x80mm Cork Support Ring Pack Of 12

( Brand: Fisherbrand ), ( Manufacturer Part Number: 07835AA ), ( Model: FISHERBRAND 07835AA ), ( Part Type: Ring )

Review FISHERBRAND 30x80mm Cork Support Ring Pack Of

The **Fisherbrand 07835AA 30x80mm Cork Ring Pack of 12** is a meticulously engineered laboratory accessory designed to elevate precision and efficiency in scientific workflows, particularly in applications requiring secure, leak-proof sealing or sample containment. Crafted from high-quality, natural cork, these rings are engineered to provide an exceptional balance of flexibility and durability, ensuring a reliable seal across a wide range of glassware, including test tubes, flasks, and vials. Each ring measures **30mm in width and 80mm in length**, making them versatile for standard laboratory equipment while accommodating variations in neck diameter with ease. The cork material is treated to resist degradation from common solvents, oils, and mild acids, though it is not recommended for use with highly corrosive or abrasive substances. The pack of **12 identical rings** offers both convenience and cost-effectiveness, allowing researchers to maintain a consistent supply without frequent reordering. Beyond their primary sealing function, these rings can also serve as protective barriers, preventing contamination or cross-talk between samples during storage or transport. Their natural, porous structure allows for minimal gas exchange while still permitting slight ventilation, which can be advantageous in applications where complete airtightness is unnecessary. Whether used in microbiology for sample incubation, chemistry for reagent storage, or general lab organization, the Fisherbrand 07835AA cork rings deliver a practical, reusable solution that aligns with sustainable laboratory practices. Their simple yet effective design ensures compatibility with most standard laboratory setups, making them an indispensable addition to any well-equipped workspace.

### **Pros and Cons of Buying Fisherbrand 07835AA (30x80mm Cork Ring Pack of 12)**

#### **Pros:**

1. **Compatibility with Fisherbrand Systems** This product is designed to work seamlessly with other Fisherbrand labware, such as their microcentrifuge tubes and adapters, making it ideal for labs already using their ecosystem.

2. **High-Quality Material** Made from cork, these rings provide a reliable seal for microcentrifuge tubes, reducing the risk of leaks during centrifugation.

3. **Durability** Cork is a sturdy yet flexible material that can withstand repeated use without degrading quickly, making it cost-effective in the long run.

4. **Chemical Resistance** Cork is resistant to many common laboratory solvents and reagents, ensuring compatibility with a wide range of experiments.

5. **Easy to Use** The standard 30x80mm size fits most microcentrifuge tubes, and the pack of 12 provides a convenient quantity for routine lab work.

6. **Cost-Effective Alternative** Compared to some plastic or rubber alternatives, cork rings can be more economical while still delivering reliable performance.

7. **Biocompatibility** Cork is generally non-toxic and does not leach harmful substances, making it suitable for biological and biochemical applications.

#### **Cons:**

1. **Limited Compatibility Outside Fisherbrand** If your lab uses non-Fisherbrand microcentrifuge tubes or adapters, these rings may not fit perfectly, requiring additional adapters or alternatives.

2. **Potential for Wear Over Time** While durable, cork can degrade with prolonged exposure to harsh chemicals or repeated use, especially if not stored properly.

3. **Less Common Than Plastic Alternatives** Some labs may prefer plastic or rubber rings due to their widespread availability and familiarity, which could make sourcing or replacements slightly more difficult.

4. **Slightly Higher Cost Than Basic Options** While still reasonable, these rings may be more expensive than generic cork or rubber rings from other brands.

5. **Potential for Dust or Debris Accumulation** Cork can absorb fine particles, which may require occasional cleaning to maintain optimal performance.

6. **Not Ideal for Extreme Temperatures** While cork performs well in most lab conditions, prolonged exposure to very high or low temperatures may affect its integrity.

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### **Conclusion**

The **Fisherbrand 07835AA 30x80mm Cork Ring Pack of 12** is a well-designed, reliable option for labs that prioritize compatibility with Fisherbrand systems and need a durable, chemical-resistant sealing solution. Its cork construction offers a good balance of durability, biocompatibility, and cost-effectiveness, making it suitable for routine centrifugation tasks. However, if your lab uses non-Fisherbrand equipment or requires mass production of samples, you may need to consider alternative sealing methods or bulk generic options.

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### **Recommendation**

**Buy this product if:**

- You are already using Fisherbrand labware and need compatible sealing solutions.

- You require a durable, chemical-resistant seal for microcentrifuge tubes.

- You prefer cork over plastic or rubber for its biocompatibility and flexibility.

**Consider alternatives if:**

- You use non-Fisherbrand tubes and need universal compatibility.

- You require a higher volume of seals and want to explore bulk generic options.

- Your lab frequently handles extremely harsh chemicals that may degrade cork over time.

For most standard laboratory applications, this product is a solid choice due to its reliability and ease of use. If budget or compatibility concerns arise, testing a smaller pack first may help determine if it meets your needs.

Details:

Shipped with UPS Ground. Fisherbrand 30x80mm Cork Support Ring 07835AA Pack Of 12.

part #: 07835aa price

  • $79.99

specifications plasticwarelabsuppy:

  • brand: Fisherbrand
  • mpn: 07835aa
  • model: Fisherbrand 07835aa
  • part type: Ring

general plasticwarelabsuppy:

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

shipping plasticwarelabsuppy:

  • class: Standard
  • carrier: UPS
  • service: UPS Ground
  • transit: 5-8 Days
  • type: Fixed
  • cost: $8.95

offer plasticwarelabsuppy:

  • availability: In Stock
  • quantity: 1
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  • started: February 18, 2026

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part type: ring,
category: business & industrial > medical, lab dental supplies > glassware plasticware > medical lab glassware, sku: 13308669429798713,
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1 offer $79.99 USD
  • New – Open box. Offer #1 priced at $79.99 + $8.95 shipping estimate = $88.94* total. Shipped with UPS Ground. Fisherbrand 30x80mm Cork Support Ring (Pack Of 12).+$8.95 shipping

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