Flasks are graduated with white scales to indicate approximate volumes and feature a full length [ST] ground glass neck finish.

• Tops are reinforced and tooled with a rounded finish, containing more glass to give them maximum mechanical strength
• Body is thick-walled, with a long tapered outside contour to minimize chipping when struck or rubbed together
• With durable white ceramic enamel capacity scale

Designed from ASTM Specification E1404, Type II, Class 1 requirements.

Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements.