Overall size ：￠20*75mm
| float on 20℃ sink on 50 ℃ made by Al Density Rod floats in cold water, sinks in hot? Our precisely calibrated cylinder demonstrates the differing density of a liquid at different temperatures. Illustrated instructions. Consists of a durable hollow aluminum cylinder (6.5 cm long and 1.9 cm in diameter) that fits most graduated cylinders. |
