Enrollment Deadline: 10 December 2024

Participants will test samples using a Moving Die Rheometer (MDR) in accordance with ASTM D5289 at 160°C and ±0.5° arc. Participants may report on any or all of the following properties: ts1, t'10, t'50, t'90, minimum torque, and maximum torque.

Sample Description: Two sample sets, each consisting of two EPDM rubber samples and film to conduct testing with. Failure to use the film provided may generate non-comparable results.

Samples ship in February, May, August, and November for a total of four shipments.

This test is included on CTS' Scope of Accreditation to ISO/IEC 17043.