A fast electrical discharge, created in an initially evacuated polyacetal c
apillary, has been simulated and realized. Steady state discharge parameter
s for polyethylene and polyacetal have been compared on the basis of the IO
NMIX code results. Space-time dependencies of plasma electron temperatures
and densities under various experimental conditions have been judged on the
basis of one-dimensional NM model. Measured and evaluated macroscopic para
meters correspond to each other.