The presently used American Foundry Society (AFS) friability test apparatus does not heat the sand composite sample and does not apply pressure to the sample during abrasion testing. The AFS apparatus ...

The instrument can also be used to perform rub abrasion, mar and/or scuff tests on flat samples. It utilizes a standard pressure and rubbing motion to offer reliable and reproducible test results. In ...

Taber's oscillating sand abrasion tester can be used to modify test parameters, allowing operators to choose the operating stroke length and speed. In addition to the dry abrasion test, the tester can ...

A corneal abrasion is a scratch on your eye. It can happen in an instant — such as when you poke your eye or something (like dirt or sand) gets trapped under your eyelid. Your eye hurts ...