Are Charpy tests to ISO 9854 ASM D256 and ISO 180 ?
Above standard is for Plastics -- Determination of Izod Impact Strength.There are two main forms of impact test, the Izod and the Charpy test.
Customer should know which test does they want to do it .and then select different standard .Charpy testing machine and specimen also different .
Machined Notches shall be prepared in according with ISO2818,The profile of the cutting tooth should be such as to produce in specimen a notch of the countour and depth shown in Figure .