美國PYREX長頸平底燒瓶
這些125mL的耐熱玻璃平底鍋，有長頸，有工具口，并有2號橡膠塞。它們是由7740硼硅酸鹽玻璃制造的。通過仔細地控制墻的厚度，以便在熱膨脹和機械強度之間達到適當的平衡，以獲得更大的沖擊阻力。它們出色的化學耐久性會導致在zui艱苦的實驗室條件下的無污染結果和長壽。PYREX沸騰瓶的正常工作溫度為230C
4060-50、4060-125、4060-250、4060-500、4060-1L、4060-2L、4060-6L、4060-12L
美國PYREX長頸平底燒瓶
These 125mL PYREX flat bottom boiling flasks have long necks with tooled mouths and take a No. 2 rubber stopper. 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 PYREX boiling flasks is 230C.
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