Enrollment Deadline: 15 November 2025

Participants will test samples at a speed of 0.5"/minute with a support span of 2", then report on any or all of the following properties: flexural modulus (tangent), flexural stress at 5% strain, and flex stress at yield. ASTM D790, Procedure A is referenced.

Sample Description: Two sets of six injection-molded ASTM Flex Bars (5" by 1/2" by 1/8"). CTS chooses between three different polymers for each cycle of testing.

Samples ship in January, April, July, and October for a total of four shipments.

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