culture tubes
polystyrene tubes
bacterial culture tubes
polystyrene culture tubes

SDLABIO Culture Tube​s

SDLABIO Culture tubes are high-quality laboratory consumables used for microbial culture, strain expansion, and sample preservation. Typically made of medical-grade PP or PS, these tubes offer excellent chemical resistance and mechanical strength, meeting the needs of anaerobic, aerobic, and oxygen-demanding cultures.

Culture Tube For Sale:

4 ml, 12 ml. PP/PS material. Individual/ 25 pcs/ 125 pcs package.

MOQ: 1 CARTON.

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Culture Tube For Sale

Cat No. Detail Package Weight(kg) Size(cm)
YJG-4PP-1 4ml, PP, 12*75mm,Individual pack 1 pcs/bag, 500 pcs/ctn 1.8 36×26×32
YJG-4PP-25 4ml, PP, 12*75mm, Pack of 25 25 pcs/bag, 1000 pcs/ctn 3.7 36×26×32
YJG-4PP-125 4ml, PP, 12*75mm, Pack of 125 125 pcs/bag, 1000 pcs/ctn 3.7 36×26×28
YJG-4PS-1 4ml, PS, 12*75mm,Individual pack 1 pcs/bag, 500 pcs/ctn 1.95 36×26×32
YJG-4PS-25 4ml, PS, 12*75mm, Pack of 25 25 pcs/bag, 1000 pcs/ctn 3.9 36×26×32
YJG-4PS-125 4ml, PS, 12*75mm, Pack of 125 125 pcs/bag, 1000 pcs/ctn 3.9 36×26×28
YJG-12PP-1 12ml, PP, 17*100mm,Individual pack 1 pcs/bag, 500 pcs/ctn 4.1 35×30×38
YJG-12PP-25 12ml, PP, 17*100mm, Pack of 25 25 pcs/bag, 1000 pcs/ctn 6.6 38.5×30.5×44.5
YJG-12PP-125 12ml, PP, 17*100mm, Pack of 125 125 pcs/bag, 1000 pcs/ctn 6.6 54×29×39
YJG-12PS-1 12ml, PS, 17*100mm,Individual pack 1 pcs/bag, 500 pcs/ctn 4.6 35×30×38
YJG-12PS-25 12ml, PS, 17*100mm, Pack of 25 25 pcs/bag, 1000 pcs/ctn 7.6 45×33.5×33
YJG-12PS-125 12ml, PS, 17*100mm, Pack of 125 125 pcs/bag, 1000 pcs/ctn 7.5 54×29×39

Feature Of Culture Tubes

  • Made of pure imported medical-grade polystyrene (PS)/polypropylene (PP) with high transparency and excellent chemical resistance.
  • Clear graduations and easy data reading.
  • Produced in a Class 100,000 cleanroom, it is DNA/RNA enzyme-free, pyrogen-free, and contains less than 0.1 EU/mL of endotoxin.
  • Individually sterile packaging prevents cross-contamination.
  • The tube cap is made of PE material and features a dual-position design, making it suitable for both anaerobic and aerobic culture applications.
  • PS culture tubes can withstand centrifugal forces up to 1400 × g and temperatures up to 80°C. PP culture tubes can withstand centrifugal forces up to 3000 × g and temperatures up to 120°C.

FAQ Of Culture Tubes

Polystyrene tubes VS polypropylene tubes

1. Material Properties

  • Polystyrene culture tubes: Rigid, glass-like clarity (very transparent). Brittle — can crack or shatter under stress. Cannot tolerate high temperatures (softens around 90 °C)
  • Polypropylene (PP): Tough, flexible, slightly opaque or translucent. Excellent impact resistance — will not crack easily. Can withstand autoclaving (up to ~121 °C).

2. Chemical Resistance

  • PS tissue culture tubes: Resistant to aqueous solutions and mild acids/bases. Poor resistance to organic solvents (alcohol, acetone, chloroform) — these can cause cracking or dissolution.
  • PP: Excellent chemical resistance to most acids, bases, and many organic solvents. More inert for long-term sample storage.

3. Sterilization

  • PS: Cannot be autoclaved — heat will deform it. Must be sterilized via gamma irradiation or ethylene oxide.
  • PP: Autoclavable — commonly used for applications that require repeated sterilization.

4. Optical Properties

  • PS culture tube​s: Crystal clear — good for visual inspection, colorimetric assays, or optical measurements. Often used for single-use culture tubes or spectrophotometry where clarity matters.
  • PP: Translucent — harder to see contents clearly. Chosen for storage, centrifugation, or chemical exposure rather than optical purposes.

5. Cost and Applications

  • Polystyrene test tubes: Usually cheaper but less durable. Common in disposable serological tubes, cell culture tubes, or general-purpose labware where no harsh chemicals or heat are involved.
  • PP bacteria culture tubes: Slightly more expensive but reusable (if sterilized). Preferred for centrifuge tubes, sample storage, PCR and molecular biology work, and applications involving strong chemicals.

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While they are similar in size, plastic culture tubes prioritize air permeability and long-term culture stability. They’re typically fitted with vented caps to prevent leaks or contamination caused by pressure buildup during shaker culture. Centrifuge tubes, on the other hand, are designed for high-intensity, short-term, closed-loop operations.

The purpose of a culture tube is to provide a stable environment to contain and cultivate the growth of microorganisms,cells, or tissues. Some uses and applications of a culture tube include:

  • Creating a small-scale culture of biological samples under controlled conditions such as temperature, humidity, andnutrient supply.
  • Storing and preserving small samples such as blood, urine, and plant fragments.

The difference between a test tube and a culture tube with screw cap is its use and application. However, they may overlap and are ofteninterchangeably used.

  • A test tube’s primary use is holding and mixing small quantities of solutions and heating or cooling samples.
  • A culture tube’s primary function is to culture microorganisms or cells in a controlled laboratory setting.
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