What Is The Density Of Plastic?

Comparison of the Densities of Several Plastics

Polymer Name Min Value (g/cm3) Max Value (g/cm3)
LDPE – Low Density Polyethylene 0.917 0.940
LLDPE – Linear Low Density Polyethylene 0.915 0.950
MABS – Transparent Acrylonitrile Butadiene Styrene 1.080 1.080
PA 11 – (Polyamide 11) 30% Glass fiber reinforced 1.250 1.270

What is the density of most plastics?

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Density Values – Selected Resins
Material 70°F DENSITY gr/cc MELT DENSITY gr/cc
Polyethylene Low Density 0.92 0.76
Polyethylene Medium Density 0.92-0.94 0.74
Polyethylene High Density 0.94-0.97 0.72

What is the density of plastic in kg m3?


Density 940 kg/m3
Temperature of crystallization 111.9 °C.
Latent heat of fusion 178.6 kJ/kg.
Thermal conductivity 0.44 W/m.°C. at °C.
Specific heat capacity 1330 to 2400 J/kg-K

How do you find the density of plastic?

  1. Placing test specimens of plastic films in water and gradually adding isopropanol (or another liquid if the sample density is greater than 1 kg/m3) until the plastic sample reaches a neutral buoyancy in the solution is the method that is used to calculate the density of plastic films.
  2. Both the British standard and the international standard ISO 1183 are utilized for evaluating the density of plastic films.

What is the relative density of plastic?

Plastic bottle caps produced from polypropylene have a density of 0.92 grams per cubic centimeter, which is lighter than the average density of seawater, which is 1.027 grams per cubic centimeter; as a result, they float in saltwater. Seawater has a density of 1.027 grams per cubic centimeter.

Is plastic denser than water?

Plastics have a higher density than water; if this is the case, one could wonder why they float instead of sinking.

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What is specific gravity of plastic?

Polyethylene and polypropylene have specific gravities in the range of 0.90–0.96, which puts them in the category of floatable materials. This property is something that must be taken into consideration while carrying out activities in water (Koerner, 2012).

What is the volume of plastic?

It’s possible that a piece of solid polystyrene, which is a type of plastic, might have a volume of fifty centimeters cubed. If you take the same block of polystyrene and fill it with air bubbles, it will expand, and you will have created Styrofoam. Styrofoam will have the same mass as polystyrene, but it will have a significantly higher volume, maybe as much as 500 cubic centimeters.

Does plastic float in water?

  1. Due to the fact that plastic has a particular density, not all plastic will float on the surface of the water.
  2. Plastic that has a density that is higher than the density of water will sink, whereas plastic that has a density that is lower than the density of water will float.
  3. The floating plastic that is found in the water makes up around fifty percent of the total amount of plastic debris there is in the ocean.

What is the density of metal?

In order to get the density of the metal, just divide the mass by the volume. If the volume was 28 cubic inches and the mass was 7.952 pounds, for instance, the density would be 0.284 pounds per cubic inch.

What is the density of glass?

Due to the fact that the density of glass is 2.5, flat glass has a mass that is either 2.5 kilograms per square meter for every millimeter of thickness or 2500 kilograms per cubic meter. Glass has an extraordinarily high compressive strength, measuring in at 1000 N/mm2, which is equivalent to 1000 MPa.

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