美國PYREX平底磨口玻璃燒瓶
4100-50、4100-125、4100-250、4100-500、4100-1000
但較短的脖子。他們是精心設(shè)計和制造的7740硼硅玻璃。壁厚度被小心地控制,以提供適當(dāng)?shù)钠胶庠跓崤蛎浐蜋C(jī)械強(qiáng)度之間的更大的沖擊阻力。在zui艱苦的實驗室條件下,它們優(yōu)異的化學(xué)耐久性會導(dǎo)致無污染的結(jié)果和長壽。耐熱燒瓶的正常工作溫度為230C。適配器Nos . 8800、8820和8825用于連接不同大小接頭的燒瓶,從而允許多種組合的組合。
美國PYREX平底磨口玻璃燒瓶
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.
美國PYREX平底磨口玻璃燒瓶
美國PYREX平底磨口玻璃燒瓶