Crucible 30ml., Porcelain with lid, Tall-EIS-CH0074D offers a thoughtfully designed, durable resource for hands-on learning. Crucible for basic laboratory use to heat chemical compounds Constructed of glazed porcelain for strength, thermal performance, and enhanced chemical resistance Can withstand temperatures up to 1900°F (1050°C) Tall form body with lid A standard lab crucible to be used in high temperature experiments. Height 37 mm.