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ASTM D6079 HFRR disk lower specimens

ASTM D6079 HFRR Disk & Ball Specimens

ASTM D6079 HFRR upper and lower specimens (also known as disk and ball HFRR specimens) are manufactured by Pacific Sensor, Metaspec's sister company. HFRR (High Frequency Reciprocating Rig) lubricity testing uses a single ball and disk for each test. The HFRR disks are available with a single-sided or double-sided polished finish. Double-sided disk specimens can be used to run two tests instead of just one, which reduces the cost of testing by 25%.


Pacific Sensor is ISO 9001 and ISO 17025 certified. All Pacific Sensor HFRR test specimens are inspected to verify conformance to ASTM D6079, and every order of HFRR specimens is shipped with a certificate of conformity to ASTM D6079. Visit the Pacific Sensor website to learn more about HFRR specimen quality conformance.

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