DUROMETERS
PTC® Durometers / Shore® Hardness Scale
"Precision You Can Trust — Since 1946"
"PTC® Durometers are the gold standard in precision hardness measurement, trusted by engineers and quality managers worldwide for reliability, accuracy, and long-term performance."
Durable, lab-grade Durometers made in the USA, ISO 17025 accredited, with fast calibration services and decades of industry trust.
Videos: How to Use a Durometer · Durometer Styles Classic & Ergo · Styles e2000 & Pencil Durometers.
PTC® Instruments manufactures durometers to meet or exceed ASTM D2240 and offers A2LA calibration services accredited to ISO/IEC 17025:2017. For more information, download the PDF documents below...