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Test Tubes and Racks
From test tubes and racks to the labels and boxes you’ll use them with. MIDSCI has got your needs covered.
MIDSCI has a wide assortment of test tubes, including top-notch centrifuge tubes your research depends on. We carry everything from sterile centrifuge tubes that we promise won’t buckle during spins to specialty centrifuge tubes that are completely blacked out to preserve your light sensitive compounds.
We also have freezer racks and autoclavable racks, stackable storage boxes and freezer boxes, general storage containers and cryogenic storage refrigerators and tanks.
And let’s not forget the labels! Wash-off labels, removable labels, and labels that will never come off (if you need that).
There are so many other quality choices and options for all of these products.
Assorted Laser Label Sheets
Cryogenic and laboratory labels formatted for laser printers. Withstands both long-term cryogenic storage conditions and conventional freezer storage. Cryogenic labels are chemically inert with a solvent-resistant adhesive that will adhere to cryogenic vials, microtubes, test tubes, glass vials, beakers, and metal racks. Cryo-Babies®, Cryo-Tags® also withstand flash/snap freezing in liquid nitrogen, boiling water baths at 100°C, and dry heat up to 150°C. Tough-Tags® and Tough-Spots® are perfect for accurately identifying important samples stored in moderate freezer temperatures.
Rainbow Pack includes sheets of each color: Blue, Green, Orange, Red, and Yellow
Proudly made in the USA! Click here for more made in America products!
Tough-Spots® on a Roll
Circular cryogenic labels formatted for handwriting. Tough Spots® on a roll are easy to write PVC cryogenic labels that accept writing from most lab markers. Tough Spots® come in a variety of colors and sizes to ensure the right label for the right job!
Tough-Tag® Station
Easily insert new rolls or remove empty boxes. Specially designed top rail holds rolls in place. Allows easy liner trimming. When loaded, station can be used as a writing surface. Also holds 5-Across Bake-Tags®, Teeny Tough-Tags®, and Sidewall Tough-Tags®!
| Item # | T-SPOTS | T-SPOTS-44 | T-SPOTS-50 | T-SPOTS-75 |
| Temp. Range | -320.8 to 176ºF | -196°C to 80°C | |||
| Ideal Use | 1.5 to 2.0 mL Tubes/Vials | 2.0 mL Tubes/Vials | 15 to 50 mL Tubes | |
| Spot L x W | 0.375 x 0.375 In. 9.53 x 9.53 mm | 0.4375 x 0.4375 In. 11.11 x 11.11 mm | 0.50 x 0.50 In. 12.7 x 12.7 mm | 0.75 x 0.75 In. 19.05 x 19.05 mm |
| U of M | Roll | |||
| Qty | 1,000/pk | 500/pk | ||
Clear Laser Tough-Tag® Sheets
Tough-Tags® are chemically inert laboratory labels that strongly adhere to microtubes, test tubes, storage boxes and microscope slides. They resist organic solvents and caustic agents. Tough-Tags® are perfect for accurately identifying important samples stored in moderate freezer temperatures.
Sheets of microtube labels that can be printed directly from a laser printer, eliminating repetitive writing and saving your valuable time.
- Resists Solvents & Caustic Reagents
- Ideally Sized
- Centrifuge Compatible
- Scuff & Smear Resistant
- Multiple Uses
Specifications
| Temp. Range | -40 to 249.8ºF | -40 to 121°C |
| Ideal Use | 0.5 to 1.5 mL Tubes |
| Length | Varies |
| Width | Varies |
| Color | Clear |
| Layout | 6 Across - 16 Down |
Proudly made in the USA! Click here for more made in America products!
Thermal Transfer Tough-Tags® on a Roll
Laboratory labels formatted for thermal transfer printers. Tough-Tags® are chemically inert laboratory labels that strongly adhere to microtubes, test tubes, storage boxes, and microscope slides. They resist organic solvents and caustic agents. Tough-Tags® are perfect for accurately identifying important samples stored in moderate freezer temperatures.
Specifications
| Temp. Range | -40 to 302ºF | -40 to 150°C |
| Ideal Use | 0.5 to1.5 mL Tubes |
| Length | Varies |
| Width | Varies |
| Color | White |
| U of M | Roll |
| Qty | 2,000/pk |
Proudly made in the USA! Click here for more made in America products!
Biohazard Tough-Spots® on a Roll
Specialty Tough Spots on a Roll are now available for specialty applications, such as identifying hazardous or radioactive samples. Durable, color-coded labeling for hazardous samples.
- Temp. resistant from -196°C to 80°C
- Lab safety is always a top priority. Use the Biohazard or Radioactive Tough-Spots to identify tubes or other vessels containing hazardous materials.
Specifications
| Temp. Range | -196°C to 80°C |
| Ideal Use | 1.5 - 2.0 mL Tubes/Vials |
| Width | 0.375 in. |
| U of M | Roll |
| Quantity | 1,000/pk |
Proudly made in the USA! Click here for more made in America products!
Cryo-Clear™ Laser Sheets
Cryo-Clear™ labels withstand both long term cryogenic storage conditions and conventional freezer storage. Cryogenic labels are chemically inert with a solvent resistant adhesive that will adhere to cryogenic vials, microtubes, test tubes, glass vials, beakers, and metal racks. Sold in sheets.
Specifications
| Temp. Range | -196°C to 70°C |
| Ideal Use | Cryogenic Vials |
| Length | Varies |
| Width | Varies |
| Color | Clear |
| Layout | 7 Across - 17 Down |
Proudly made in the USA! Click here for more made in America products!
Tough-Tag® Cryo-Babies® on a Roll
Our patented Cryo-Babies® and Cryo-Tags® withstand both long term cryogenic storage conditions and conventional freezer storage. Cryo labels are chemically inert with a solvent resistant adhesive that will adhere to croygenic vials, microtubes, test tubes, glass vials, beakers and metal racks. Cryo-Babies® and Cryo-Tags® also withstand flash/snap freezing in liquid nitrogen, boiling water baths at 100°C and dry heat up to 150°C.
Tough-Tag® Station
Easily insert new rolls or remove empty boxes. Specially designed top rail holds rolls in place. Allows easy liner trimming. When loaded, station can be used as a writing surface. Also holds 5-Across Tough-Spots®, Bake-Tags®, Teeny Tough-Tags®, and Sidewall Tough-Tags®!
Specifications
| Temp. Range | -320.8 to 176ºF | -196 to 80°C |
| Ideal Use | 0.2 mL PCR Tubes |
| Length | 0.81 In. | 20.57 mm |
| Width | 0.28 In. | 711.2 mm |
| Color | White |
| U of M | Roll |
Proudly made in the USA! Click here for more made in America products!
Label Station
Organize your labels!
Portable label station holds up to six standard-size boxes of Tough-Tags®, Cryo-Babies®, and 5 or 6 Tough-Spot® Labels, and Bake-Tags®.
- Drop the box in the label station and feed the paper through the slot
- Acrylic station includes a writing surface, a cutting edge for easy dispensing, and non-skid rubber feet
- Counter-sunk holes provided for wall mounting
- Translucent blue
- Dimensions: 11 x 4.7 x 3.5 In. (28 x 12 x 8.9 cm)
*Labels are not included
Laser Microscope Slide Tough-Tag® Sheets
Laboratory labels formatted for laser printers. Tough-Tags® are chemically inert laboratory labels that strongly adhere to microtubes, test tubes, storage boxes, and microscope slides. They resist organic solvents and caustic agents. Tough-Tags® are perfect for accurately identifying important samples stored in moderate freezer temperatures.
- Colors: White, Blue, Green, Orange, Red, Yellow or "Rainbow Pack"
- Rainbow Pack includes 5 sheets of each color: Blue, Green, Orange, Red and Yellow
Specifications
| Temp. Range | -40 to 249.8ºF | -40 to 121°C |
| Ideal Use | Microscope Slides |
| Length | 0.875 In. | 22.23 mm |
| Width | 0.875 In. | 22.23 mm |
| Layout | 8 Across - 12 Down |
| U of M | Sheets |
| Qty | 2,400 Labels |
Proudly made in the USA! Click here for more made in America products!
PR1MA™ Autoclavable Boxes
Benefits of PR1MA™ Autoclavable Boxes
- Easy to stack and carry
- Hinged lid
- Fits our easy PR1MA™ reload/refill system
- Won't tip over when you hit the corner tip
- Easy to open with one hand
Proudly made in the USA! Click here for more made in America products!
BetterBox™ Microtube Storage Boxes
Secure, Stackable, and Autoclavable Storage for 1.5 mL & 2.0 mL Tubes.
Keep your lab organized with BetterBox™, a premium-quality microtube storage solution designed for secure, efficient, and space-saving storage. Made from durable, autoclavable virgin polypropylene, each BetterBox™ holds 81 microcentrifuge tubes (1.5 mL or 2.0 mL) in a precise 9 x 9 grid, compatible with both snap-cap and screw-cap styles.
Featuring a hinged lid with a locking clasp, the BetterBox™ prevents lid misplacement while ensuring safe closure. The removable tube rack insert allows the base to be filled with crushed ice or liquid, making it ideal for temperature-sensitive samples. With a frosted writing surface on the lid and front edge, sample labeling is simple and permanent marker-friendly.
Available in a vibrant rainbow pack of five colors with clear lids and bases, these boxes are freezer-safe to -80°C and designed for easy stacking. Unique interlocking corner feet securely align with grooves on the lid, making stacking stable and transport hassle-free.
Key Features
- Holds 81 microtubes (1.5 mL or 2.0 mL) in 9 x 9 format
- Autoclavable and freezer-safe to -80°C
- Snap-cap and screw-cap tube compatible
- Hinged lid with locking clasp – never lose the lid
- Removable insert – add crushed ice or liquid
- Alphanumeric grid labeling for quick tube ID
- Stackable with interlocking corners for safe transport
- Available in five bright colors for easy sample categorization
- Box Dimensions (D x L x H): 160 x 150 x 54 mm (6.30 x 5.91 x 2.13 In.)
Perfect for labs needing organized, color-coded, and temperature-flexible microtube storage, the BetterBox™ sets a new standard in convenience and reliability.
IceRack™ Crushed Ice Microtube Racks
IceRack™ Crushed Ice Microtube Racks are a practical solution for keeping temperature-sensitive samples stable during processing. Each rack features a removable white microtube tray that allows the blue polypropylene base to be filled with crushed ice or other cooling materials. This creates an insulated environment to protect samples from temperature fluctuations during handling.
Compatible with both screw-cap and snap-cap microtubes ranging from 0.5 to 2.0 mL, the IceRack™ is ideal for use in molecular biology, clinical diagnostics, and other cold-sensitive workflows.
A translucent lift-off lid helps maintain internal temperature while providing easy visibility and access to samples. Made from durable polypropylene, the racks are autoclavable and withstand temperatures from -80 to 135°C, offering long-term performance and versatility.
Key Features
- Designed for crushed ice or cooling beads – Ideal for cold sample processing
- Fits 0.5 mL to 2.0 mL microtubes – Screw-cap and snap-cap compatible
- Durable polypropylene construction – Withstands -80 to 135°C
- Removable tube tray – Fill base with ice or cooling media
- Translucent lift-off lid – Easy visibility and access
- Economical 6-pack – Great value for any lab
IceRack™ Microtube Racks are a cost-effective and efficient way to maintain sample integrity during temperature-sensitive procedures.
Specifications
| Item # | R8012 | R8013 | R8014 |
| Material | Polypropylene | ||
| Temp. Range | -80°C to 135°C (-112 to 275ºC) | ||
| Dimensions (D x W x H) | 7 × 3.75 × 2 In. 177.8 x 95.25 x 50.8 | 7 × 3.75 × 2 In. 177.8 x 95.25 x 50.8 | 6 × 6 × 2 In. 152.4 x 152.4 50.8 |
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