Eisco Glass Volumetric Flask Set, ASTM Class B (25, 50 and 100 ml)
470345-694
: Wards
- Capacity:25, 50 and 100 ml
- Description:Volumetric flask set
- Environmentally Preferable:
- Cat. no.:470345-694
Set of 25, 50 and 100 ml ASTM Class B borosilicate glass volumetric flasks with pennyhead stoppers.
- Set of three volumetric flasks with lower capacities of 25, 50 and 100 ml
- Made of high quality, heavy duty, borosilicate 3.3 glass for excellent durability and chemical resistance
- Class B tolerances conform with ASTM E288 and E438 standards
- Fitted with a solid glass pennyhead stopper
- Easy-to-read blue specifications and white graduation mark
Conforms to Class B, ASTM E288 standards. 25 ml flask: tolerance ±0.060 ml, no. 9 stopper; 50 ml flask: tolerance ±0.100 ml, no. 13 stopper; 100 ml flask: tolerance ±0.160 ml, no. 13 stopper. Calibrated to contain.
Eisco Labs borosilicate glass has the following heat tolerances:
Strain point 515 °C
Annealing point 565 °C
Softening point 820 °C