| abstract |
A polyethylene composition for producing blow-molded hollow articles, having the following features:n 1) density from greater than 0.952 to 0.957 g/cm 3 , determined according to ISO 1183-1 at 23° C.; 2) ratio MIF/MIP from 12 to 25; 3) MIF from 18 to 40 g/10 min.; 4) η 0.02 from 30,000 to 55,000 Pa·s; 5) long-chain branching index, LCBI, equal to or greater than 0.55; 6) ratio (η 0.02 /1000)/LCBI from 55 to 75. |