| abstract |
A polyethylene resin suitable for formation into pipes or pipe fittings is disclosed, having an MI<sub>5</sub> of from 0.40 to 0.70 g/lOmin, and comprising from 47 to 52 wt% of a low molecular weight polyethylene fraction, and from 48 to 53 wt% of a high molecular weight polyethylene fraction,wherein the high molecular weight polyethylene fraction comprises a copolymer of ethylene and 1-hexene or 1-octene. |