Multipurpose stirring rods with rounded ends and a 6 mm (0.25") diameter, these borosilicate glass stirring rods are excellent for laboratory or home use, providing efficient mixing capabilities.

• Stirring rods are made of high quality, heavy duty borosilicate 3.3 glass
• Resistant to chemicals and high temperatures
• Autoclavable, with superior chemical durability
• Designed for use in professional laboratories, also an ideal choice for science classrooms

Low temperature gradient- can withstand high temperatures and thermal shocks. Eisco borosilicate glass has the following heat tolerances: Strain point 515 °C , annealing point 565 °C and softening point 820 °C.