美國(guó)PYREX平底磨口玻璃燒瓶

這些125mL的PYREX平底鍋，全長(zhǎng)24 / 40標(biāo)準(zhǔn)錐度關(guān)節(jié)，但脖子較短。它們是精心設(shè)計(jì)和制造的，由7740硼硅酸鹽玻璃制成。通過(guò)仔細(xì)地控制墻的厚度，以便在熱膨脹和機(jī)械強(qiáng)度之間達(dá)到適當(dāng)?shù)钠胶?，以獲得更大的沖擊阻力。它們出色的化學(xué)耐久性會(huì)導(dǎo)致在zui艱苦的實(shí)驗(yàn)室條件下的無(wú)污染結(jié)果和長(zhǎng)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(diǎn)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(guó)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.