Technical articles

Various densities of powders (loose density, compacted density, true density, apparent density, bulk density, and bulk density)

2023-11-22

Introduction

When it comes to powdered materials, density is an essential parameter that determines their physical and chemical properties. Different methods are employed to measure powder density, including loose bulk density, tapped density, true density, apparent density, bulk density, and compacted density. This article will discuss these parameters, and how they affect the properties of powdered materials.


Loose Bulk Density

The loose bulk density refers to the density of the powder when it is poured into a container without any pressure or tapping. It is an essential parameter that determines the flowability of the powder and its ability to fill the containers. At SAT NANO, we specialize in providing high-quality nanoscale powders with tailored loose bulk densities based on our clients' specific requirements.


Tapped Density

The tapped density of a powder refers to its density when it has been subjected to a fixed number of taps. This parameter is related to the volume that the powder occupies after tapping. It is used to evaluate the ability of the powder to pack into a container.  


True Density

The true density of a material refers to its density when there are no pores, and all the voids have been eliminated. It is an important parameter that influences material properties such as thermal conductivity, electrical conductivity, and mechanical strength. At SAT NANO, we use cutting-edge technology to measure true density and provide high-quality nanoscale powders with optimized properties.


Apparent Density

The apparent density is determined by dividing the mass of the powder by its volume, including the pores and voids. It is an essential parameter in determining the powder's behavior during processing and transport. At SAT NANO, we specialize in providing nanoscale powders with precise apparent densities, ensuring optimal performance during use.


Bulk Density

Bulk density refers to the mass of the powder per unit volume, including pores and voids. It plays a crucial role in predicting the flow behavior, handling characteristics, and storage stability of a product. Our nanoscale powders are designed to have optimized bulk densities, ensuring their ease of use and performance.


Compacted Density

The compacted density of a powder is its density after compacting under a specific pressure, which is usually done for sample preparation. It is an essential parameter in evaluating the behavior of the powder during the granulation process and in evaluating the lubrication effectiveness of the excipient. At SAT NANO, we employ advanced techniques to measure compacted density and provide high-quality nanoscale powders that meet our clients' specific requirements.


Conclusion

The density of powdered materials is a crucial parameter that influences their physical and chemical properties. At SAT NANO, we provide high-quality nanoscale powders with tailored densities to meet our clients' specific requirements. We use cutting-edge technology to measure the different densities of our powders to ensure their optimized performance during use.

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