The mold must produce an imperfection free sample of uniform specified thickness.
The die must cut a specimen for testing that will be the specified shape within dimensional tolerances (including thickness) as indicated for the test in question.
Dies can be supplied with mallet handle for fast, easy hand stamping of test specimens using a maul, or for use in clicker presses. Special press adaptors can be produced upon request.
Other dies, in other dimensions and meeting different standards, are also available.
The inside surface is perpendicular to the cutting edge and polished, insuring cutting of a test specimen of uniform standard thickness. Dies are designed to be resharpened.
ASTM D-412 popular sizes C and D are standard, with A, B. E, and F also available upon request.
Rotary type cutters are designed for use in standard drill press chucks. Cutters can be supplied to standard dimensions as indicated by ASTM D-412.