In room temperature, around 12.45 g/cm3
HDPE is defined by a density of greater or equal to 0.941 g/cm3. Reference is Wikipedia under polyethylene.
density of water is taken as primary density as u can see it is taken as 1 1000
Density = mass / volume Density is a measure of how heavy something is in proportion to how much room it takes up.For example, a kilogram of bricks and a kilogram of feathers weigh the same but the...
everything that has a volume and mass has density