A calibrated compression testing machine is used to apply a uniform, continuous load.
As with most EN standards, the document is dense and requires careful reading. It is not a "how-to" guide but a specification document. bs en 7721 pdf
. It provides detailed procedures for specimen sampling, surface preparation (grinding or capping), and the application of continuous uniform loads until failure. www.thenbs.com Access & Downloads A calibrated compression testing machine is used to
: Testing machines must feature two steel-bearing platens, one of which must be able to align freely upon contact with the specimen. surface preparation (grinding or capping)
: To perform routine quality control and provide a Declaration of Performance (DoP) for CE marking.