24/40 1000ml Pear-Shaped Separatory Funnel with PTFE Stopcock - Premium Borosilicate Glassware for Chemical Lab Extraction & Liquid Separation

24/40,1000​ml,Pyrifor​m Separatory Funnel,Pea​r Shape,PTFE Stopcock 1 Be made of G3.3 borosilicate glass. This borosilicate glass with low linear coefficient of expansion is ideal choice for fabricating laboratory glassware. Annealing Point ------560℃ Linear Coefficient of Expansion ------ 32×10-7/℃ Softening Point ------820℃ 2 The thickness of the flask is 2.5mm.