close
RICERCA PRODOTTO
Risultati per: 'ASTM C235'
Scratch hardness apparatus

Aggregati - Scratch hardness apparatus: Scratch hardness apparatus

This apparatus is used in the field to determine the quantity of soft particles in coarse aggregate. It consists of a metal rod with a rounded point of 1.6 mm diameter, which is mounted in a device so that a load of 8.9 ± 4 N is applied to the test specimen.   
continua