PR1MA™ Screw Cap Tubes & Caps Sold Separately

PR1MA™ threaded tubes offer a clean, safe environment for your important samples!

• Manufactured from high-clarity, ultra-pure polypropylene (meets FDA 21 CFR 177.1520 & USP Class VI).
• Versatile and durable tube developed for secure use in multiple laboratory environments.
• Ideal for boiling applications.
• Numerous tube and cap options to form an ideal combination for specific applications.
• Rated to 20,000 x G.
• Suitable for a wide range of temperatures - from -196°C to +121°C. Note: not for immersion in liquid nitrogen.
• Available in:
• Ribbed (0.5, 1.5, & 2 mL)
• Non-Graduated Clear (0.5 & 1.5 mL)
• Graduated (1.5 & 2 mL): Marked at every 100 µL for easy sample estimation.
• Offered with either skirted or conical bases.
• Non-Graduated, and Ribbed Sided options ideal for high throughput and automated processing
• Certified free of detectable RNase, DNase, DNA, PCR inhibitors, and tested pyrogen-free. Sterile product is certified pyrogen-free.

Tubes for Kit Manufacturers? - Please contact us.  MIDSCI has screw cap tube options available specifically for use in diagnostic kits, providing kit manufacturers the freedom to choose an alternate source of consumables from an experienced and trusted U.S. plastics manufacturer. 
Homogenization Tubes? - Please contact us.  Homogenization calls for a tube that is built to withstand the rigors of lysing applications. When you need to be sure about the tube you select for lysing and bead beating, choose the brand that has the experience, innovation, and reliability of an industry leader.

PR1MA™  SCREW CAPS

Screw Caps are ideal for everyday laboratory applications as well as diagnostic kit manufacturing. From standard caps in bright colors to the molded grip caps with molded O-rings, there is a perfect seal for your important solutions. 

Grip Cap with Rubber Grip & O-ring (PR-SCMC)

• Rubber ribs allow for effortless opening and closingeven when frozen.
• Easy 3/4 turn to open and close.
• Easy labeling surface.
• Contrasting color stripes enable easy branding or organization. 
• Made from ultra-pure polypropylene (meets FDA 21 CFR 177.1520 & USP Class VI) with an inert TPE O-ring molded directly into the cap.
• Temperature range from -196°C to +121°C. Note: not for immersion in liquid nitrogen.
• For use in medical, pharmaceutical and food industry, and molecular biology.
• Need colors see our Assorted Pack (-RB).  Need individual colors or white contact us for special orders.

Standard Caps (PR-SCC)

• Easy 3-4 turn to open and close.
• Synthetic O-ring.
• Available with and without attached tether.  Contact us if you want the tethered option.
• Wide variety of color options.
• Temperature range from -196°C to +121°C. Note: not for immersion in liquid nitrogen.
• For use in medical, pharmaceutical and food industry, and molecular biology.
• Need colors see our Assorted Pack (-RB).  Need individual colors or amber contact us for special orders.

PR1MAWEEN - Halloween Treats, No Tricks!

 

For a limited time, enjoy 15% off select PR1MA™ Microcentrifuge Tubes!

(Purple, Green, or Orange)

 

Reference PROMO CODE #PR1MAWEEN25 when placing your order.

Click here for other PR1MAWEEN deals!

 

This promotion cannot be combined with other promotions or discounts. 
Please reference promo code PR1MAWEEN25 at checkout. 
Promotion is valid from 10/28/25 to 11/07/25. All terms and conditions apply.

PR1MA™ Microcentrifuge Tubes

PR1MA™ Microcentrifuge Tubes are engineered for durability, clarity, and performance in high-demand laboratory environments. Choose from two cap styles to suit your workflow - the boil-proof cap (MCT15) for high-temperature applications or the large boil-resistant cap (MCT17) for enhanced labeling and easy handling.

Constructed from crystal-clear polymer, each tube allows effortless sample visualization while ensuring maximum integrity during centrifugation up to 20,000 × g. The optional NoStick® low-retention resin prevents sample loss and ensures reliable recovery of precious materials.

Designed to endure extreme temperatures from –80°C to +121°C, PR1MA™ tubes are ideal for both cryogenic storage and autoclaving. Every tube is certified free of RNase, DNase, DNA, PCR inhibitors, and pyrogens — ensuring the highest standard of purity for molecular biology, PCR, and diagnostic research.

PR1MA™ Microcentrifuge Tubes deliver the clarity, performance, and confidence your lab depends on - from prep to preservation.

Key Features

• Two Cap Styles for User Preference:
• Boil-Proof Caps (MCT15): Ideal for high-temperature and tight storage conditions.
• Large Boil-Resistant Caps (MCT17): Easy to open and close with an expanded labeling surface.
• Crystal-Clear Polymer: Provides excellent visibility for quick and accurate sample inspection.
• High G-Force Tolerance: Rated up to 20,000 × g for reliable centrifugation.
• Graduated Markings: Convenient 100 µL graduations for fast volume estimation.
• Low Retention Design: Available with proprietary NoStick® resin to ensure maximum sample recovery.
• Wide Temperature Range: Withstands –80°C to +121°C, suitable for both freezing and autoclaving.
• Certified Clean: Free of detectable RNase, DNase, DNA, PCR inhibitors, and pyrogens.
• Sterile Option: Certified pyrogen-free for contamination-sensitive applications.

Quality Assurance

Each PR1MA™ Microcentrifuge Tube is manufactured from premium raw materials to ensure maximum clarity, strength, and sample safety. Every batch is rigorously tested and certified for sterility, purity, and mechanical performance to meet the demands of advanced molecular and cell biology workflows.

Applications

• Molecular biology and PCR sample preparation
• Cell and tissue processing
• High-speed centrifugation
• Long-term sample storage
• Boiling and heating assays
• Protein and nucleic acid recovery

 Proudly made in the USA! Click here for more made in America products!

PR1MA™ Screw Cap Tubes and Caps, Sterile, Assembled

PR1MA™ threaded tubes offer a clean, safe environment for your important samples!

• Manufactured from high-clarity, ultra-pure polypropylene (meets FDA 21 CFR 177.1520 & USP Class VI).
• Versatile and durable tube developed for secure use in multiple laboratory environments.
• Ideal for boiling applications.
• Numerous tube and cap options to form an ideal combination for specific applications.
• Rated to 20,000 x G.
• Suitable for a wide range of temperatures from -196°C to +121°C. Note: not for immersion in liquid nitrogen.
• Available in:
• Ribbed (0.5, 1.5, & 2 mL)
• Non-Graduated Clear (0.5 & 1.5 mL)
• Graduated (1.5 & 2 mL): Marked at every 100 L for easy sample estimation.
• Offered with either skirted or conical bases.
• Non-Graduated, and Ribbed Sided options ideal for high throughput and automated processing
• Certified free of detectable RNase, DNase, DNA, PCR inhibitors, and tested pyrogen-free. Sterile product is certified pyrogen-free.

Tubes for Kit Manufacturers? - Please contact us.  MIDSCI has screw cap tube options available specifically for use in diagnostic kits, providing kit manufacturers the freedom to choose an alternate source of consumables from an experienced and trusted U.S. plastics manufacturer. 

Homogenization Tubes? - Please contact us.  Homogenization calls for a tube that is built to withstand the rigors of lysing applications. When you need to be sure about the tube you select for lysing and bead beating, choose the brand that has the experience, innovation, and reliability of an industry leader.

PR1MA™  SCREW CAPS

Screw Caps are ideal for everyday laboratory applications as well as diagnostic kit manufacturing. From standard caps in bright colors to the molded grip caps with molded O-rings, there is a perfect seal for your important solutions. 

Grip Cap with Rubber Grip & O-ring (PR-SCMC)

• Rubber ribs allow for effortless opening and closingeven when frozen.
• Easy 3/4 turn to open and close.
• Easy labeling surface.
• Contrasting color stripes enable easy branding or organization. 
• Made from ultra-pure polypropylene (meets FDA 21 CFR 177.1520 & USP Class VI) with an inert TPE O-ring molded directly into the cap.
• Temperature range from -196°C to +121°C. Note: not for immersion in liquid nitrogen.
• For use in medical, pharmaceutical and food industry, and molecular biology.

Standard Caps (PR-SCC)

• Easy 3/4 turn to open and close.
• Synthetic O-ring.
• Available with and without attached tether.  Contact us if you want the tethered option.
• Wide variety of color options.
• Temperature range from -196°C to +121°C. Note: not for immersion in liquid nitrogen.
• For use in medical, pharmaceutical and food industry, and molecular biology.

PR1MA™ PCR Strip Tubes with Attached Caps

The PR1MA™ PCR Strip Tubes with Attached Caps are engineered for precision, efficiency, and contamination control in PCR workflows. Designed with evaporation-resistant lids that are easy to open and close, these PCR strip tubes help prevent sample loss while maintaining a tight seal during thermal cycling.

Each strip features ultra-thin walls and uniform wells for enhanced heat transfer and reaction consistency, ensuring optimal performance in PCR, qPCR, and other thermal cycling applications.

Packaged in reclosable bags for added convenience and reduced contamination risk, these tubes are suitable for a variety of environments, including medical, pharmaceutical, food testing, and molecular biology labs.

Every lot is certified free of detectable RNase, DNase, nucleic acids (NA), PCR inhibitors, and tested pyrogen-free—giving you reliable results, batch after batch.

Key Features

• Attached, evaporation-resistant caps for secure sealing
• Easy-open design prevents sample loss and simplifies handling
• Ultra-thin wall construction for superior thermal conductivity
• Uniform wells support consistent reaction performance
• Reclosable bags minimize contamination during storage and use
• Ideal for molecular biology, medical, food industry, and pharmaceutical applications
• Certified RNase-, DNase-, NA-, PCR inhibitor-free and pyrogen-tested 

Ensure accurate and reproducible PCR results with trusted PR1MA™ performance.
 

Proudly made in the USA! Click here for more made in America products!
  

PR1MA™ Individual PCR Tubes

PR1MA™ Individual PCR Tubes are engineered for high-performance thermal cycling and are ideal for a wide range of PCR and qPCR applications. Designed with evaporation-resistant lids, these tubes offer a secure seal to prevent sample loss during high-temperature protocols. The easy-open, snap-tight caps simplify workflow while maintaining sample integrity.

Each tube features ultra-thin walls and uniform construction to ensure optimal heat transfer and efficient, reproducible reactions. Packaged in reclosable bags, these tubes minimize contamination risk while offering convenient storage and access.

Perfect for use in molecular biology, clinical diagnostics, pharmaceutical research, and food safety testing environments.

Tested for quality and purity, these PCR tubes are certified free of detectable RNase, DNase, nucleic acids (NA), and PCR inhibitors, and are pyrogen-tested, ensuring reliable results for sensitive assays.

Key Features

• Individual PCR tubes with secure, evaporation-resistant caps
• Ultra-thin walls for superior thermal conductivity
• Uniform design enhances reaction efficiency and consistency
• Reclosable bags for contamination control and ease of use
• Suitable for medical, pharmaceutical, food industry, and molecular biology labs
• Certified RNase-, DNase-, NA-, PCR inhibitor-free and pyrogen-tested 

Choose PR1MA™ for reliable, high-quality PCR performance in every run.
 

Proudly made in the USA! Click here for more made in America products!

PR1MA™ Corbett Type PCR Tubes

• PR1MA™ PCR Strip Tubes and Caps are evaporation-resistant and provide easy-to-open-and-close lids that prevent sample loss.
• Tube Size is 0.1 mL
• 4 Tube Strip and 4 Cap Strip
• The uniform wells and ultra-thin walls provide optimal heat transfer and reaction efficiency.
• Reclosable bags minimize contamination risk and are convenient for opening and closing.
• For use in medical, pharmaceutical, food industry, and molecular biology.
• Certified free of detectable RNase, DNase, NA, PCR inhibitors, and tested pyrogen-free.

• Sterile, polypropylene
  
• DNAse/RNAse and pyrogen-FREE
• White shaded writing area
• Black graduations
• Racked or bagged
• Temp Range: -80°C to +40°C
• The 15 mL tubes can withstand up to 12,000 (RCF)g, and the 50 mL can withstand up to 16,000 (RCF)g. 

PR1MA™ PCR Strip Tubes and Caps Sold Separately

PR1MA™ PCR Strip Tubes and Caps provide high-quality, reliable performance for all PCR applications. Sold separately for added flexibility, these components are ideal for labs that require customized configurations or individual replacements.

Designed to be evaporation-resistant, the easy-to-open-and-close caps (sold separately) offer a secure seal that helps prevent sample loss during thermal cycling. The strip tubes feature ultra-thin walls and uniform wells, ensuring efficient heat transfer and consistent reaction performance.

Convenient reclosable bags help minimize contamination risks and simplify storage and handling. These PCR supplies are suitable for use in a wide range of laboratory settings, including medical, pharmaceutical, food industry, and molecular biology applications.

Each product is certified free of detectable RNase, DNase, nucleic acids (NA), PCR inhibitors, and is tested pyrogen-free, providing the confidence and purity needed for sensitive PCR work.

Key Features

• PCR tubes and caps sold separately for flexible lab use
• Evaporation-resistant design protects sample integrity
• Ultra-thin walls ensure optimal thermal transfer and reaction efficiency
• Uniform well shape enhances reproducibility
• Reclosable packaging reduces contamination risk
• Suitable for molecular biology, pharmaceutical, food testing, and medical labs
• RNase-, DNase-, NA-, PCR inhibitor-free, and pyrogen-tested

Get the precise control and reliability you need for your PCR workflow with PR1MA™ quality components.

Proudly made in the USA! Click here for more made in America products!

New Look, Same Reliable Product - Now from PR1MA™!

PR1MA™ Rainbow Centrifuge Tubes

High-Performance, Color-Coded Sample Clarity.

PR1MA™ Rainbow Centrifuge Tubes combine high-performance engineering with vibrant color-coded caps for effortless sample organization. Available in 15 mL and 50 mL conical formats, these tubes are made from premium-grade polypropylene with uniform wall thickness for outstanding clarity, durability, and centrifugal strength.

Engineered for a variety of lab applications, including stem cell research, PR1MA™ Rainbow Centrifuge Tubes are certified sterile, RNase-free, DNase-free, pyrogen-free, and cytotoxin-free. The leak-proof screw caps ensure secure storage, and both tubes and caps are safe for ultra-low temperature storage down to -86°C.

With maximum RCF ratings of 12,000 x g (15 mL) and 15,000 x g (50 mL), these tubes are ideal for demanding centrifugation tasks using appropriate rotors, cushions, and adapters.

Key Features

• Color-coded screw caps for easy sample tracking
• 15 mL tubes rated to 12,000 x g, 50 mL tubes rated to 15,000 x g
• Made from high-clarity, premium polypropylene
• Certified sterile, RNase/DNase/pyrogen/cytotoxin free
• Leak-proof design ensures secure sample containment
• Safe for -86°C ultra-low temperature storage
• Suitable for stem cell research, biobanking, and general lab use

Whether you're spinning down precious samples or storing them long-term, PR1MA™ Rainbow Centrifuge Tubes deliver uncompromising quality and reliability in every tube.

Specifications
 

Item	Size
PR-CT2715	0.67 x 4.65 In. | 17 x 118 mm
PR-CT2716	0.67 x 4.65 In. | 17 x 118 mm
PR-CT2750	1.14 x 4.53 In. | 29 x 115mm
PR-CT2751	1.14 x 4.53 In. | 29 x 115mm

TPP Premium Conical 15 and 50 mL Centrifuge Tubes

TPP Premium Conical 15 and 50 mL Centrifuge Tubes are designed to meet the rigorous demands of modern laboratories. Manufactured from high-quality polypropylene (PP) and polystyrene (PS), these tubes are suitable for centrifugation, freezing, boiling, and long-term storage without cracking, buckling, or contamination.

Leak-proof screw caps with internal grooves ensure gas- and aerosol-tight sealing, while precise graduations allow for accurate sample measurement. The tubes feature a white writing surface for easy labeling on both the cap and side of the tube. Sterile, gamma-irradiated, and certified DNAse/RNAse-free, TPP PREMIUM Conical Tubes are perfect for applications ranging from reagent aliquoting to cell line cryopreservation and media filtration.

Key Features

• Freezing and boiling resistant; polypropylene tubes maintain integrity from -190°C to 100°C
• Buckle- and crack-proof during centrifugation
• Leak-proof screw caps with internal grooves, gas- and aerosol-tight
• Accurate graduations: 0.1 mL (15 mL) and 0.5 mL (50 mL)
• White writing surface for easy labeling on cap and tube
• Optimal material purity; no additives, biocides, or slip agents
• Outstanding optical clarity for easy sample observation
• Multiple application options: centrifugation, storage, filtration, cryopreservation

Applications

• Aliquoting and centrifuging reagents
• Long-term sample storage and cryopreservation
• Media filtration and storage
• Cell line freezing in isopropanol baths
• Minimizing contamination and maintaining sample integrity

Quality Assurance

• Sterile (gamma irradiated)
• Certified DNAse/RNAse, pyrogen, and heavy metal-free
• High optical clarity for reliable sample visualization

Specifications
 

Contact us for free samples and discover how TPP Premium Conical Centrifuge Tubes
can ensure reliable sample integrity and streamline your lab workflows.

MTC™ Bio 15 mL Centrifuge Tubes

Leakproof, Durable, and Freezer-Safe Tubes for Everyday Lab Use.

These 15 mL centrifuge tubes are manufactured from premium-grade polypropylene (PP), offering superior clarity, strength, and chemical resistance for routine laboratory procedures. These tubes are designed for high-speed centrifugation, withstanding up to 12,000 x g, and are ideal for sample prep, pelleting, cell culture, and more.

Each tube features a frosted writing surface and flat-top screw cap for easy labeling and leak-resistant sealing. Select models offer a skirted (self-standing) base, allowing them to stand upright on the benchtop without a rack, perfect for hands-free use and enhanced workflow efficiency.

All 15 mL tubes are sterile and certified RNase-, DNase-, pyrogen-, and cytotoxin-free, ensuring the integrity of sensitive biological samples. Available in bags, or eco-friendly plastic racks for improved lab organization and storage.

Key Features

• Made of high-quality polypropylene for durability and clarity
• Withstands centrifugation up to 12,000 x g
• Leakproof to 95 kPa / 14 psi
• Freezer-safe down to -86°C
• Flat-top caps for easy labeling and secure closure
• Available in self-standing (skirted) or conical bottom
• Sterile, RNase, DNase, pyrogen, and cytotoxin-free
• Supplied bagged or in eco-plastic racks
• Compatible with standard 15 mL centrifuge rotors

Applications

• Sample collection and storage
• Cell culture and pelleting
• DNA/RNA isolation
• Clinical and diagnostic testing
• Freezing and centrifugation of biological fluids