EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of EN ISO 1183-3 testing. This part of EN ISO 1183 covers a method for the determination of the density or specific volume of solid non-porous plastics of any shape that do not contain closed pores.
This part of EN ISO 1183 is one in a series on methods for measuring the density of solid acellular plastics. Values obtained using this part of EN ISO 1183 are expected to be comparable to those obtained using other parts.
Density measurements can be used to investigate changes in the physical structure or molecular arrangement of materials. Such measurements are commonly used to determine the degree of crystallinity of polymers. Additionally, they can be used to determine the amount of filler present.
The density of a plastic material may depend on any conditioning or heat treatment to which the material is subjected. The physical structure of a polymer can change with time and temperature. Its volume is also a temperature dependent property. This means that the density can vary with time or temperature.
The volume of a sample of known apparent mass is determined by measuring the change in gas volume in a pycnometer upon placement of the sample. The volume change can be obtained directly by means of a moving piston or indirectly by measuring the pressure change in the pycnometer and calculating the volume using the pressure-volume relationship for ideal gases. The volume obtained with this procedure is related to the solid alone without pores.
EUROLAB assists manufacturers with EN ISO 1183-3 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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