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  3. WEST 54203249

WEST 54203249 Top Caps Crimp Seal Serum Vials 20FO 20MM

54203249 West Huge 10 000 Lot 20mm Flip Top Caps Aluminum Crimp Seal For Serum Vials Dark Blue

( Brand: West ), ( Manufacturer Part Number: 54203249 ), ( Model: 20FO 6-B 0420 ), ( Part Type: Seal Flip Aluminum Cap Vial ), ( Unit Type: Unit ), ( Unit Quantity: 10, 000 ), ( Country Of Origin: United States )

Review WEST Huge Lot 20mm Flip Top Caps Aluminum Crimp Seal Serum Vials Dark Blue

The **West 54203249 10 x 20mm Top Caps with Crimp Seal** are precision-engineered, high-quality rubber stoppers designed specifically for serum vials, pharmaceutical packaging, and laboratory applications where sterile, airtight sealing is critical. Crafted from **FDA-compliant, medical-grade natural rubber**, these top caps feature a **smooth, seamless crimp seal** that ensures an impermeable barrier against moisture, contaminants, and microbial intrusion, making them ideal for preserving the integrity of sensitive formulations such as vaccines, biologics, and sterile injectables. The **10mm internal diameter** accommodates standard serum vial necks, while the **20mm overall height** provides ample sealing surface for a secure, leak-proof fit, reducing the risk of product degradation or compromise during storage or transportation. Engineered with a **consistent, uniform crimp design**, these caps offer reliable compression against the vial s neck, preventing air exchange while allowing for easy, tool-assisted removal when needed. Their **sterile packaging** ensures contamination-free handling, and their **durable construction** resists deformation under pressure, maintaining seal integrity even in high-volume or automated filling processes. Whether used in clinical laboratories, pharmaceutical manufacturing, or biotechnology research, these top caps deliver a dependable solution for maintaining vial sterility and extending shelf life, making them a trusted choice for professionals demanding precision and reliability in their packaging systems.

### **Pros and Cons of buying a West 54203249 10-Piece 20mm Top Caps (Crimp Seal for Serum Vials)**

#### **Pros:**

1. **Compatibility with Serum Vials** These crimp seals are specifically designed for 20mm serum vials, ensuring a proper seal to prevent contamination or leakage.

2. **High-Quality Material** Made from medical-grade materials, likely aluminum or a similar durable substance, which provides a reliable barrier for sterile storage.

3. **Easy to Use** The crimp seal design allows for secure closure with standard crimping tools, making them convenient for laboratory or pharmaceutical applications.

4. **Cost-Effective for Bulk Purchases** Buying in bulk (10-piece) can reduce per-unit costs compared to smaller quantities, making it economical for frequent use.

5. **Reusable or Single-Use Options** Depending on the material and application, these caps may be reusable (if sterilized properly) or designed for single-use, reducing waste in some cases.

6. **Standardized Size** The 20mm size is widely used in medical and laboratory settings, ensuring compatibility with existing equipment and storage systems.

7. **Prevents Evaporation & Contamination** A proper crimp seal helps maintain the integrity of stored substances by preventing moisture loss and external contamination.

8. **Easy to Store & Transport** The compact size makes them convenient for storage in laboratories or field settings.

#### **Cons:**

1. **Limited Quantity (10-Piece)** While sufficient for small-scale use, larger operations may require purchasing multiple packs, increasing long-term costs.

2. **Requires Proper Crimping Tool** Without the correct crimping tool, achieving a secure seal may be difficult, potentially compromising sterility.

3. **Potential for Improper Sealing** If not crimped correctly, leaks or contamination risks may arise, especially if the user lacks experience.

4. **Material Durability Concerns** Some aluminum or plastic crimp seals may degrade over time with repeated use or exposure to certain chemicals, requiring replacement.

5. **Single-Use Possibility** If designed for single-use, they may generate waste if not fully utilized, increasing disposal costs.

6. **Brand-Specific Fit** While 20mm is a standard size, slight variations in vial design (e.g., from different manufacturers) could affect compatibility.

7. **No Built-In Tamper Evidence** Unlike some screw-cap systems, these crimp seals do not inherently indicate if they have been opened or tampered with, which may be a concern for regulated environments.

8. **Potential for Allergic Reactions** Some individuals may have sensitivities to aluminum or other materials used in crimp seals, though this is rare.

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### **Conclusion**

The **West 54203249 10-Piece 20mm Crimp Seals** are a practical and widely compatible solution for sealing serum vials in medical, laboratory, or pharmaceutical settings. Their key strengths lie in their **reliability, ease of use, and cost-effectiveness for small to moderate quantities**. However, they may not be ideal for **high-volume operations** without additional bulk purchasing, nor are they as user-friendly as screw-cap alternatives for those without proper crimping tools.

The decision to buy depends on:

- **Application needs** (sterile storage, single-use vs. reusable, frequency of use).

- **Budget constraints** (bulk purchasing may be more economical long-term).

- **Availability of complementary tools** (crimping tool, storage conditions).

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### **Recommendation**

**Buy these crimp seals if:**

- You frequently work with **20mm serum vials** and need a secure, cost-effective sealing solution.

- You have access to a **proper crimping tool** and can ensure proper sealing technique.

- You require **bulk storage solutions** for small to medium quantities (10-piece packs are a good starting point).

- You prioritize **simplicity and compatibility** over tamper-evident features.

**Consider alternatives if:**

- You need **tamper-evident or screw-cap options** for regulated environments.

- You require **larger quantities** and can find better bulk pricing elsewhere.

- You lack experience with **crimping tools** and may struggle with proper sealing.

For most **laboratory, clinical, or pharmaceutical applications**, these crimp seals are a **reliable and efficient choice**, provided proper handling and storage practices are followed. If budget allows, purchasing in slightly larger quantities (e.g., 50 or 100-piece packs) may offer better long-term value.

Details:

They provide airtight seals when used in conjunction with 20mm rubber stoppers sold separately. Buy more than one and save with bulk discounts. The box may have been opened for photographing and/or further packing material protection. This is a brand new 10,000 piece lot/box of DARK BLUE 20mm flip top seals for use with serum vials in combination stoppers sold separately.

Plastic top flips off to reveal aluminum seal with hole. Manufacturer is West. These will come in the original manufacturers box as shown.

part #: 54203249 price

  • $299.99

specifications plasticwarelabsuppy:

  • brand: West
  • mpn: 54203249
  • model: 20fo 6-b 0420
  • part type: Seal Flip Aluminum Cap Vial
  • unit type: Unit
  • unit quantity: 10, 000
  • country of origin: United States

payments plasticwarelabsuppy:

  • other
  • credit card: Mastercard
  • wallet: Google-pay

general plasticwarelabsuppy:

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

offer plasticwarelabsuppy:

  • quantity: 3
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • started: May 27, 2026

seller plasticwarelabsuppy:

  • city: Bonner Springs, Kansas
  • rating: 100.0%
  • # reviews: 2775

returns plasticwarelabsuppy:

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

shipping plasticwarelabsuppy:

  • service: UPS Ground
  • cost: $53.05
  • class: Standard
  • carrier: UPS
  • transit: 3-7 Days
  • type: Calculated
part type: seal flip aluminum cap vial, unit type: unit, unit quantity: 10, 000, country of origin: united states,
category: business & industrial > medical, lab dental supplies > glassware plasticware > medical lab glassware, sku: 13941241926286762,
West 54203249 Is Similar To:
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1 offer $299.99 USD
  • New – Open box. Offer #1 priced at $299.99 + $53.05 shipping estimate = $353.04* total. NO RUBBER STOPPERS INCLUDED WITH THESE.+$53.05 shipping

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