Enrollment Deadline: 15 February 2026

Participants will test samples according to ISO 178, at a speed of 2 mm/minute and a support span of 64 mm, then report on any or all of the following properties: flex modulus (chord), flexural stress at 3.5% strain, and flexural stress at yield.

Sample Description: Two sets of six injection-molded ISO Type 1A bars (4 mm by 10 mm by 170 mm). CTS chooses betweeen three different polymers for each cycle of testing.

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

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