美國PYREX平底磨口玻璃燒瓶

美國PYREX平底磨口玻璃燒瓶

這些125mL的PYREX平底鍋，全長24 / 40標準錐度關節(jié)，但脖子較短。它們是精心設計和制造的，由7740硼硅酸鹽玻璃制成。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?shù)钠胶?，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(jié)果和長壽。PYREX沸騰瓶的正常工作溫度為230C。適配器Nos . 8800、8820和8825被用于連接不同尺寸節(jié)點的燒瓶，從而允許多種組合的組合。

4100-50、4100-125、4100-250、4100-500、4100-1000

美國PYREX平底磨口玻璃燒瓶

These 125mL PYREX  flat bottom boiling flasks have full length outer 24/40 Standard Taper joints, but with shorter necks. They are carefully designed and 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. Adapter Nos. 8800, 8820 and 8825 are used to connect flasks with different size joints, thus allowing numerous combinations for diverse assemblies.