ultimate set

ultimate set

[′əl·tə·mət ′set] (engineering) The ratio of the length of a specimen plate or bar before testing to the length at the moment of fracture; usually expressed as a percentage. (materials) The final degree of firmness achieved by a plastic compound as a result of curing, evaporation of the volatile materials, and polymerization at the surface.

ultimate set

The final degree of firmness attained by a plastic compound after curing, evaporation of volatile materials, and surface polymerization.