Short Neck Round Bottom Boiling Flask with Standard Tapered 19/22 Joint, KIMAX® - 250ml - 25277-250

These Kimax® Short Neck Round Bottom Boiling Flasks have full length outer 19/22 Standard Tapered joints, but with shorter necks. They are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for greater shock resistance. Their excellent chemical durability results in contamination-free results and long life under the toughest lab conditions. The normal working temperature for Kimax® boiling flasks is 230°C. These flasks are designed from ASTM specifications E1403, Type II, Class 3 requirements.