EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of ASTM D785 testing. This test method covers two procedures for testing the indentation hardness of plastics and related plastic electrical insulating materials through the Rockwell hardness tester.
The ASTM D785 test or Rockwell Hardness test is a hardness measurement based on the net increase in impression depth when a load is applied. Hardness numbers have no units and are usually given on the R, L, M, E, and K scales. Higher numbers indicate harder materials.
A standard sample is placed on the surface of the Rockwell Hardness tester. A small load is applied and the indicator is set to zero. The main load is applied by opening a lever. After 15 seconds, the main load is removed. The sample is allowed to recover for 15 seconds and then hardness is read from the dial while still under a small load.
Values stated in SI units should be accepted as standard. Values in parentheses are for informational purposes only.
This standard does not purport to address all, if any, safety concerns associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and to determine the applicability of regulatory restrictions prior to use.
EUROLAB assists manufacturers with ASTM D785 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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