美国PYREX长颈平底烧瓶
这些125mL的耐热玻璃平底锅,有长颈,有工具口,并有2号橡胶塞。它们是由7740硼硅酸盐玻璃制造的。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Z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
4060-50、4060-125、4060-250、4060-500、4060-1L、4060-2L、4060-6L、4060-12L
美国PYREX长颈平底烧瓶
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.