Flask, Kjeldahl, Kimble
KIMAX flasks have a reinforced bead at the top. The 300mL and larger sizes have tooled necks to provide an accurate stopper fit and to reduce the possiblity of breakage in use. The 500 and 800mL size necks are tooled to take rubber stoppers especially made for Kjeldahl flasks. The 30mL size is designed form ASTM Specification E147 and larger sizes are designed from ASTM Specification E1377, Type I requirements.