Heat & Thermodynamics

Long Size Test Tube


【Product Description】

Long size test tube with a length of 600mm and a diameter of 23mm.

【Overall Advantages to Users】

Heat resistant test tube three times longer than commonly available ones.


●Thermal convection
●Dissolution of substance in water




【To all users】

  • Suitable for thermal convection of water experiments and how a substance dissolves in water.

【To teachers】

  • When observing the thermal convection of water, it is recommended to heat the bottom of the test tube after filling it two-thirds full of water and adding a few drops of Tabasco sauce.
  • Easy to observe how sugar powder or dextrin completely dissolves in the test tube filled with water thanks to the length of the tube. Pour water up to about four-fifths length of the test tube and put a very small amount of sugar or dextrin from the opening to observe how it dissolves while sinking in the tube.
  • Material: Heat resistant glass
  • Size:φ23 x 600mm

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