美国PYREX平底磨口玻璃烧瓶

这些125mL的PYREX平底锅，全长24 / 40标准锥度关节，但脖子较短。它们是精心设计和制造的，由7740硼硅酸盐玻璃制成。通过仔细地控制墙的厚度，以便在热膨胀和机械强度之间达到适当的平衡，以获得更大的冲击阻力。它们出色的化学耐久性会导致在zui艰苦的实验室条件下的无污染结果和长寿。PYREX沸腾瓶的正常工作温度为230C。适配器Nos . 8800、8820和8825被用于连接不同尺寸节点的烧瓶，从而允许多种组合的组合。

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

美国PYREX平底磨口玻璃烧瓶

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.