ASTM D785 Rockwell Hardness Test Specimens

Plastic test specimens used in ASTM D785 (Rockwell Hardness of Plastics and Electrical Insulating Materials). The standard test specimen is 1" x 1" x 1/4". Nonstandard specimen sizes or shapes (depending on the material) are available on request. ASTM D785 requires five or more hardness tests per material, depending on the material type.