well you have to think you would weigh this using grams so the density of a foam block is "Grams per cubic centimeters"
Foam.
It is the mass of the block divided by its volume.
-5
you weigh the block on a balance get its mass if it is a regular shape block so the volume should be length * weadth * breadth (side * side * side) the density = mass / volume
This density is 0,8 g/cm3.
High density foam is just your typical foam. It does not conform to your body when it heats up like memory foam does.
Whats the job for a foam block
Foam.
density of aluminum block
High density polyethylene foam. Use heat. Non foam plastic use super glue.
High density foam can be used as insulation, due to it's high thermal resistance. Examples of what can be insulated with the foam are pipes, tanks, freezers, and flotation material.
By squeezing the foam you are decreasing its volume, whereas its mass remains roughly the same. Therefor, as density is mass/volume, a decrease in volume results in and increase in density.
Normally a low density Polyurethane (foam) covered in vinyl.
Acoustic foam is AA kind of foam designed to block sound
45%
Many companies offer memory foam mattresses, which may vary in quality. The following guide provides simple tips for finding a high quality memory foam mattress. When looking for a memory foam mattress, look for information on the density of the foam. Lower density foam is often cheap and low quality, while higher density foam provides a more comfortable sleeping experience. A high quality mattress should contain at least 6 inches of high density memory foam, with lighter foam layered on top. When buying a mattress, make sure that the foam is genuine memory foam. Squeeze a sample, and see how long it takes to expand. If the foam expands to it's original shape in less than a second, it's not memory foam.
the density is 657.0987536438347355