Manufactured from 33 expansion, low extractable borosilicate glass, KIMAX®.

• Without a capacity scale
• Flask necks tooled to accept rubber stoppers

Flasks have a reinforced bead at the top. These flasks are RAY-SORB® processed to protect materials which are sensitive to the light of shorter wavelengths.

Designed from ASTM specification E1404, Type II, Class II requirements. Glass conforming to to USP Type I and ASTM E438, Type I, Class A requirements, and then RAY-SORB® processed.