KIMAX flasks have a reinforced bead at the top. The 300 mL and larger sizes have tooled necks to provide an accurate stopper fit and to reduce the possibility of breakage in use. The 500 and 800 mL size necks are tooled to take rubber stoppers especially made for Kjeldahl flasks. The 30 mL is designed is designed from ASTM Specification E147. Larger sizes are designed from ASTM Specification E1377, Type 1 requirements. (K27400)
