Ziegler–Natta Catalyst is used in the manufacture of High density polythene (HDPE). Ziegler– Natta Catalyst is
TiCl3+AlC2H53
TiC2H54+AlCl3
TiCl4+AlC2H53
TiCl3+AlC6H53
Ziegler Natta catalyst is TiCl4+AlC2H53