Zwick Digital Shore Hardness Testing Machines

These electronic hardness testers (Shore A, D, B, C, D0, 0, 00, 000) are used for hardness determination on plastics and rubber to DIN 53505, ASTM D 2240, ISO 868, NFT 51109 and BS 903 Part A26.

It is essential for standard-compliant testing that specimens have a plane-parallel contact surface of at least 35 mm diameter and a material thickness of 6 mm.

Hardness value determination after hold times of 3 seconds (DIN specification) and 1 second (ISO requirement) can be accommodated with digital hardness testing instruments.