DYNALON MCT20 Microcentrifuge Tube Cap Cap. PK5000

( Brand: Dynalon ), ( Manufacturer Part Number: MCT20 ), ( Country Of Origin: Cn ), ( Type: Lab Supplies Consumables Labware Lab Tubes ), ( Weight: 14.9000 ), ( Length: 9.100 ), ( Width: 13.000 ), ( Features: Microcentrifuge Tube, Nominal Capacity Metric 2 Ml, Body Diamet ), ( Battery Included: No )

Review DYNALON Microcentrifuge Tube Ml Cap. Pk5000

The **Dynalon MCT20 Microcentrifuge Tube Cap (Pack of 5,000)** is a high-performance, sterile, and chemically resistant closure designed to provide an airtight, leak-proof seal for standard 2.0 mL microcentrifuge tubes, ensuring optimal sample integrity during centrifugation, storage, and transport. Engineered with a durable **polypropylene (PP) base** and a **silicone-free, low-friction elastomeric seal**, these caps deliver exceptional barrier protection against contamination, evaporation, and aerosol release, making them ideal for demanding laboratory applications such as molecular biology, PCR sample prep, liquid handling, and small-scale biochemical assays. The **threaded design** ensures a secure, consistent fit across all major tube brands, while the **smooth, non-stick surface** prevents sample residue buildup, simplifying cleaning and reuse. Each cap is **sterile, individually packaged**, and free from latex, DEHP, and other potential allergens, adhering to stringent pharmaceutical and biotech industry standards. The **bulk pack of 5,000 units** offers cost-effective scalability for high-throughput laboratories, research institutions, and manufacturing facilities requiring large quantities of reliable, single-use or reusable caps. Whether used in automated liquid handlers, benchtop centrifuges, or cryogenic storage, the MCT20 caps maintain sample stability under extreme conditions, from high-speed centrifugation to long-term refrigeration or freezing. Their **universal compatibility** with 2.0 mL tubes including those with screw-threaded or snap-fit designs eliminates the need for specialized adapters, streamlining workflows while minimizing cross-contamination risks. Built to withstand repeated use (if reusable) or single-use disposal, these caps are an indispensable component for laboratories prioritizing precision, sterility, and efficiency in sample handling.

### **Pros and Cons of buying a Dynalon MCT20 Microcentrifuge Tube Cap (Pack of 5000)**

1. **High Durability and Chemical Resistance** The Dynalon MCT20 caps are designed to withstand repeated centrifugation cycles and resist degradation from common laboratory solvents, acids, and bases. This makes them suitable for long-term use in demanding applications.

2. **Seal Integrity** The caps provide a secure, airtight seal, preventing contamination and sample evaporation during storage or transport. This is critical for maintaining sample integrity in molecular biology, biochemistry, and clinical diagnostics.

3. **Compatibility with Microcentrifuge Tubes** These caps are specifically engineered to fit standard microcentrifuge tubes (typically 1.5 mL to 2 mL), ensuring a snug fit without excessive force. This reduces the risk of tube damage or cap misalignment during centrifugation.

4. **Cost-Effective for Bulk Use** Purchasing in bulk (5000 caps) offers significant cost savings per unit compared to smaller quantities. This is ideal for laboratories with high throughput or frequent sample processing needs.

5. **Reusable and Sterile** Unlike single-use caps, these can often be reused after proper cleaning and sterilization, reducing waste and long-term expenses. Some versions may also be pre-sterilized, ensuring consistency in laboratory workflows.

6. **Wide Application Range** Suitable for a variety of laboratory techniques, including PCR, DNA/RNA extraction, protein purification, and cell culture applications. Their versatility makes them a practical choice for multi-purpose labs.

7. **Easy to Handle** The caps are designed for quick and easy application, reducing handling time and potential contamination risks during sample preparation.

---

1. **Potential Wear Over Time** While durable, repeated use especially with harsh chemicals or high-speed centrifugation may eventually lead to wear or degradation of the cap material. This could compromise seal integrity over extended periods.

2. **Limited Color Coding or Customization** Unlike some competitors, these caps may not offer color-coded variants for different sample types or protocols. This could require additional labeling or organization in the lab.

3. **Compatibility Concerns with Non-Standard Tubes** If the lab uses non-standard or custom microcentrifuge tubes, these caps may not fit perfectly, leading to leaks or difficulties in application.

4. **Sterilization Requirements** While reusable, proper sterilization (e.g., autoclaving, ethanol washing) is necessary to prevent cross-contamination between uses. Failure to sterilize correctly could introduce contaminants into samples.

5. **Potential for Cap Loss** Due to their design, caps may occasionally become detached during centrifugation, especially if not seated properly. This could lead to sample spillage or contamination if not caught immediately.

6. **Supplier or Stock Availability** Depending on the region or laboratory supplier, these caps may not always be readily available, potentially causing delays in procurement for urgent projects.

7. **Cost Upfront** Although bulk purchasing reduces per-unit cost, the initial investment for a large quantity may be prohibitive for small labs or startups with limited budgets.

---

The **Dynalon MCT20 microcentrifuge tube caps (pack of 5000)** are a highly practical and cost-effective choice for laboratories requiring durable, reusable, and chemically resistant caps for microcentrifuge tubes. Their seal integrity, compatibility with standard tubes, and wide applicability make them a strong option for high-throughput or long-term use. However, potential drawbacks such as wear over time, sterilization requirements, and compatibility issues with non-standard tubes should be considered. For most standard laboratory settings particularly those prioritizing cost efficiency and reliability they represent a solid investment.

If your laboratory frequently handles large volumes of samples, requires chemical resistance, and values cost savings through bulk purchasing, the **Dynalon MCT20 caps are highly recommended**. Ensure that your lab has a proper sterilization protocol in place if reusing them, and verify compatibility with your specific tube types. For smaller labs or those with limited budgets, consider starting with a smaller quantity to test performance before committing to a bulk order. If color-coding or customization is a priority, explore alternative brands that offer these features. Overall, these caps are a dependable choice for most molecular biology and biochemistry applications.

Details:

Receptacles. Light Industrial. Electrical Outlet's. Electrical Boxes.

And Enclosures. DYNALON MCT20 Microcentrifuge Tube, 2 mL Cap. PK5000: Microcentrifuge Tube, Nominal Capacity - Metric 2 mL, Body Diameter 13.59mm, English 0.68 oz, Overall height 39.67 Material Polypropylene, Maximum Relative Centrifugal Force 25,000 x g, Tube Type Color Clear, Graduated Yes, Graduation Increments 0.5 Includes Closure Screw Size Not Applicable, For Use With Microcentrifuge, Yes Details.

part #: mct20 price

• $180.99

specifications plasticwarelabsuppy:

• brand: Dynalon
• mpn: Mct20
• country of origin: Cn
• type: Lab Supplies Consumables Labware Lab Tubes
• weight: 14.9000
• length: 9.100
• width: 13.000
• features: Microcentrifuge Tube, Nominal Capacity Metric 2 Ml, Body Diamet
• battery included: No

general plasticwarelabsuppy:

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

payments plasticwarelabsuppy:

• other
• credit card: Mastercard
• wallet: Paypal

seller plasticwarelabsuppy:

• city: USA
• # reviews: 1341299
• rating: 99.8%

offer plasticwarelabsuppy:

• options: Ship-to-home
• quantity: 1
• started: March 23, 2026
• availability: In Stock
• sold: 0

shipping plasticwarelabsuppy:

• service: Standard
• transit: 3-3 Days
• class: Standard
• type: Fixed
• cost: $0.00

returns plasticwarelabsuppy:

• time: 60 Days
• paid by: Seller
• method: Money back
• policy: Returns Accepted

Dynalon MCT20 Is Similar To:

• 226295-1000 Dynalon Products Graduated Rectangular Hdpe Bottle With Cap (32.8% similar) Hope bottle integrity of the seal is insured by an internal plug tag hole in cap for attachment. 1000ML graduated rectangular Hope bottle with cap convenient square design saves space. Maximum temperature for Hope is 230. Hole in closure for attachment of tag...(July 15th, 2018)
• 226295-2000 Dynalon Products Graduated Rectangular Hdpe Bottle With Cap (32.8% similar) Hole in closure for attachment of tag. Hope bottle integrity of the seal is insured by an internal plug tag hole in cap for attachment. 2000 ML graduated rectangular Hope bottle with cap convenient square design saves space. Maximum temperature for Hope is 230...(April 10th, 2018)
• 299334-000y Dynalon Products Pp Test Tube Screw Closure (37.7% similar) Graduated with 2ML subdivisions from to 12ML. X 100MM hgt. The design of cap avoids any contamination due to drops liquid on inner surface. Made of clarified polypropylene. 15ML pp test tube w yellow screw closure tubes with polyethylene quick caps. Leak proof, and suitable for gentrification 4000XG...(November 12th, 2018)
• 399325-0001 Dynalon Polypropylene Conical Microcentrifuge Tube Lot Of (53.3% similar) Q: will I have to sign for my package. Q: expedited shipping options. 5ML microcentrifuge tube lot of 1000...(March 30th, 2018)
• 426315-0032 Dynalon Products Pete Straight Side Container With Cap (34.2% similar) Pete straight side container with cap these containers work well for storing pastes, samples, powders, specimens and more industrial lab applications. Pete container white polypropylene liner-less screw closures durable shatterproof excellent gas barrier properties with H20, o2 CO2 may be used below...(May 11th, 2018)
• 501835 Dynalon Products Round Hdpe Concertina Bottle With Cap (33.9% similar) Ideal for photographic chemicals and suitable use with gas liberating solutions, dimensions: 201MM x 100MM diameter with 32MM neck id. 1000ML round Hope concertina bottle with cap these amber collapsible bottles are ideal for solutions that readily oxidize, or those liberate gases. The bellows ...(July 9th, 2018)
• Dynalon 225675-0002 Kartell Polypropylene Microcentrifuge Tube Rack Blue Lot Of 8 (51.5% similar) It is designed to hold microcentrifuge tubes and other small laboratory containers. This Dynalon cartel polypropylene microcentrifuge tube rack in blue is a reliable and practical solution for organizing storing your laboratory supplies. The rack is easy to clean and maintain, making it a practical ...(October 21st, 2024)
• Dynalon 225645-0002 Test Tube Rack 6x15 Format Blue 2-7 16 Inch H (37.9% similar) Dynalon test tube RACK,6X15 FORMAT,BLUE,2-7/16 h: rack, mounting type bench top, number of compartments 90, yes, material polypropylene, finish unfinished, blue, height 2/7 /16 in, length 9/1 1/16 width 4/3 /16 format 6X15, for use with tubes, temp. Receptacles. And enclosures. Electrical ...(December 28th, 2024)
• Dynalon 327136 Dipper Sampler Polystyrene 100 Ml Cap (46.6% similar) Electrical outlet's. Receptacles. Dynalon 327136 dipper SAMPLER,POLYSTYRENE,100 ml cap. Electrical boxes. And enclosures. Light industrial...(March 30th, 2025)
• Dynalon 360240 Dipper Sampler Polystyrene 250 Ml Cap (50.5% similar) Dynalon 360240 dipper SAMPLER,POLYSTYRENE,250 ml cap. Electrical outlet's. Electrical boxes. Receptacles. Light industrial. And enclosures...(April 4th, 2025)
• Dynalon 327131 Dipper Sampler Polystyrene 30 Ml Cap (47.1% similar) Dynalon 327131 dipper SAMPLER,POLYSTYRENE,30 ml cap. And enclosures. Electrical boxes. Light industrial. Electrical outlet's. Receptacles...(April 17th, 2025)