HFRR double-sided specimens are polished on both sides. This allows you to run 2 tests on each disc which reduces waste and cost. Each pack comes with 2 balls for every disc. Pacific Sensor is the only US based manufacturer of HFRR test specimens and the only manufacturer to prove equivalency to PCS through an ASTM Interlaboratory Study.

These specimens are manufactured to comply with ASTM D6079, ASTM D7688, ISO 12156-1, CEC F-06-A, ISO 12156, EN 590, JPI-5S-50 and IP 450. For additional information please visit our product page here

A certificate of conformity is provided with every order. View our sample certificate here.

At Pacific Sensor we stand behind all of our products. You will be 100% satisfied with your order or we will repair, replace, or refund your purchase.