3.3 Glass beaker 500 ml , for laboratory, hospitals and research This Borosilicate Glass beakers are perfect for any science classroom or home or lab. Borosilicate Glass Beaker, with Graduation & spout, 250 ml SUPERIOR HEAT & CHEMICAL DURABILITY || Microwavable and autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks 500 ml capacity short form beaker, with white graduations, made of high quality, heavy duty Borosilicate 3.3 glass. Sub Div: 5.0ml. Autoclavable at 121°C. Low temperature gradient means the beaker can withstand high temperatures and thermal shocks. 5 mm thick, uniform walls provide excellent strength against breakage. Beaker measures 5.9" tall and 4.9" wide. Inner diameter of beaker measures 4.6".