ISO 60 is an international standard that specifies the method for determining the bulk density of moulding materials in powder or granular form. The bulk density refers to the mass of particles of the material divided by the total volume they occupy, including the space between individual particles. This determination is essential in the plastics industry as it provides information about material handling, packaging, and process control. The standard requires the use of a defined cylinder of known volume, into which the plastic material is poured without compacting, and the mass is subsequently measured. Commonly, the test is conducted at standard laboratory conditions to ensure consistency of results across various batches and suppliers. This measurement is particularly critical for manufacturers and processors who need precise data for dosing and mixing materials in extrusion, injection molding, or similar processes.
In the plastic pipe industry, following ISO 60 allows for accurate quality control and consistency of raw materials used in production. By establishing the bulk density of polymer granules or powders, producers can better manage material flow, optimize storage, and reduce the occurrence of defects caused by incorrect dosing. Bulk density data is also relevant when calculating shipping weights and storage requirements. Accurate bulk density measurements help ensure that plastic pipes, fittings, and related products meet specified performance and quality requirements. This, in turn, supports manufacturing efficiency and reliable end-product behaviour. Equipment designed to carry out ISO 60 testing must provide repeatable and precise results to meet the needs of laboratory and quality control settings at plastic processing facilities.
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