Apex Labs 5 ml Plain Borosilicate Glass Test Tube(7.5 cm 80 K Pack of 100)
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Pack of 100 test tubes. Made from high quality, heavy duty, borosilicate glassBorosilicate glass 3.3, light wall, with rim, with strong resistance to heat and chemicals. 5ml capacity. Pack of 100. 75x12mm sizeAutoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks. Apex Labs Borosilicate glass has the following heat tolerances: Strain Point -515°C | Annealing Point 565°C | Softening Point 820°C.