ISO 2039-2 Plastics - Determination of Hardness - Rockwell Hardness Test Method

Material Testing

ISO 2039-2 Plastics - Determination of Hardness - Rockwell Hardness Test Method

EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of ISO 2039-2 testing. Specifies a method for determining the indentation hardness of plastics by means of the Rockwell hardness tester using the M, L, and R hardness scales.

ISO 2039-2 Plastics - Determination of Hardness - Rockwell Hardness Test Method

The Rockwell hardness number is derived from the net increase in impression depth as the load on a recess is increased from a constant small load to a large load and then returned to the same small load. For materials with high creep and recovery, the time factors involved in applying large and small loads have a significant impact on the measurement results.

For materials with high creep and recovery, the time factors involved in applying large and small loads have a significant impact on the results of the measurements.

An alternative method of using the apparatus to impart hardness on the Rockwell hardness scale is indicated how this scale may relate to the hardness measurement of ISO 2039-1.

This is a method for determining hardness in which a constant small load is applied to a steel ball resting on the material to be tested, followed by a large load, followed by a return to the same small load. The actual measurement is based on the total depth of penetration, minus the elastic recovery after a constant time after removal of the main load, minus the penetration due to the minor load. The Rockwell hardness number is derived from the net increase in impression depth as the load on an indentor is increased from a constant small load to a large load and then returned to the same small load.

EUROLAB assists manufacturers with ISO 2039-2 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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