INDUSTRIAL QUALITY || Narrow neck Conical Flask made from high quality, heavy duty borosilicate 3.3 glass conforming to USP Type-1 and ASTM E438 Type-1, Class A requirements. Excellent chemical resistance and strength against breakage. Microwavable and autoclavable - can withstand high temperatures and thermal shocks
NARROW NECK || Standard narrow neck ideal for mixing. Mouth accepts a size #6 stopper
SUPERIOR DURABILITY || Features uniform wall thickness ideal for heating and a reinforced rim for protection against high impacts
DUAL GRADUATIONS || Easy-to-read white enamel dual graduated scale for added accuracy when filling or dispensing
MEETS ASTM E1404 STANDARDS || Conforms with ASTM Specification E1404, Type-1, Class-1 requirements for glass conical flasks