100PK Glass Test Tubes, 3ml

Borosilicate glass 3.3, light wall, with rim, with strong resistance to heat and chemicals. 3ml capacity. Pack of 100. 75x10mm size

Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks. Eisco Labs Borosilicate glass has the following heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C.