We have completed the four-ball wear scar test under the ASTM D4172 standard for our customer. In this test, in order to let customer see the wear scar results more intuitively, we added an automatic wear scar measurement system, as shown in the video two, you can check the size of the wear scar directly on the computer.
Our four ball tester is full automatic type, the testing process is very simple and test resultes are acuuracy.
"Thank you very much for your email and the sharing the detailed results. The 4 ball results are satisfactory." This is the feedback we got from customer after our testing.