- Volumetric Flask made of high quality, heavy duty, 3.3 borosilicate glass
- Class B tolerance complies with ISO 1042 standards
- Features a single graduation mark for precise dilution and preparation
- Ground glass socket fitted with a chemical resistant polyethylene stopper.
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Volumetric Flask made of high quality, heavy duty, 3.3 borosilicate glass. Class B tolerance with single graduation mark as per DIN ISO 1042 standard. Fitted with a chemical resistant polyethylene stopper. 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. Calibrated to contain.