Cole-Parmer 5000 mL Lab Erlenmeyer Flask vs Glass 24/40 Erlenmeyer Flask with Stopper, 1000 ml borosilicate

Overall winner: Glass 24/40 Erlenmeyer Flask with Stopper, 1000 ml borosilicate

Key Differences

Cole-Parmer's 5000 mL flask (A) is a much larger-volume borosilicate Erlenmeyer with wide temperature tolerance and a lower listed price tier, while StonyLab's 1000 mL flask (B) includes a 24/40 standard taper joint and glass stopper for applications requiring a sealed joint. Choose A for large-volume, general-purpose heating and mixing; choose B when you need a jointed flask for condensers or attachments

Cole-Parmer 5000 mL Lab Erlenmeyer Flask

Cole-Parmer 5000 mL Lab Erlenmeyer Flask

Cole-Parmer • ★ 3.7/5 • Budget

Bor osilicate Erlenmeyer flask with heavy-duty rim and narrow mouth for precise handling. Easy-to-read graduations aid accurate measurements. Suitable for a wide temperature range (-50 to 550°C)

Pros

  • durable borosilicate construction
  • heavy-duty rim and narrow-mouth design
  • easy-to-read graduations
  • wide temperature range

Cons

  • mixed feedback on ease of cleaning
  • mixed opinions on flat bottom and size
  • one report of cracking during heating
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Glass 24/40 Erlenmeyer Flask with Stopper, 1000 ml borosilicate

Glass 24/40 Erlenmeyer Flask with Stopper, 1000 ml borosilicate

stonylab • ★ 3.5/5 • Budget

Borosilicate glass Erlenmeyer with 24/40 outer joint and stopper. Suitable for reacting, collecting, and storing. customer note mentions recommends avoiding excessive vacuum

Pros

  • borosilicate glass construction
  • 24/40 standard taper outer joint
  • includes glass stopper
  • good for reacting, collecting, storing

Cons

  • capacity 1000 ml on request
  • pressure resistance -0.065 MPa
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Head-to-Head

CriteriaWinner
Price Cole-Parmer
Durability Tie
Versatility stonylab
User Reviews Cole-Parmer