PTC® Durometers / Shore® Hardness
A durometer is an instrument for testing the hardness of various plastics & rubber. ASTM D2240 Standard Test Method for Rubber Property, Durometer Hardness. This test method covers twelve types of rubber hardness measurement devices known as durometers. (See Shore Hardness Scale below)
PTC® Instruments manufactures durometers to meet or exceed ASTM D2240 and offers A2LA calibration services accredited to ISO/IEC 17025 ANSI/NCSL, Z540-1.
These durometers can be used either with a test stand, hand-held or with the constant load weight. Please refer to the stand selection guide for appropriate instruments. The PTC® Durometers come complete with carrying case and test block.
Our sales department (310-478-1134) will help you determine the correct durometer for your hardness test. We offer material testing to determine the correct durometer type and style for your application at no charge. Click here to view or download PDF DUROMETER TYPES AND SPECIFICATIONS