Kimax® Kjeldahl Flasks with Tooled Neck

Kimax® flasks have a reinforced bead at the top. The 500 and 800mL size necks are tooled to take rubber stoppers especially made for Kjeldahl flasks. They provide an accurate stopper fit and to reduce the possibility of breakage in use. The 30mL flasks are designed from ASTM Specification E147 and larger sizes are designed from ASTM Specification E1377, Type I requirements.