These flasks are the choice for general
laboratory usage. Tops are reinforced and tooled with a rounded finish,
containing more glass to give them maximum mechanical strength. Body is
thick walled and will minimize chipping when struck or rubbed together.
All flasks have durable white ceramic
enamel scales to indicate approximate volumes at various levels, useful
in measuring and mixing solutions where a high degree of accuracy is not
Designed from ASTM Specification E1404,
Type I, Class 1 requirements.