Sisal or plastic twine

Purchased a 311 NH square baler with 75 pan thrower I had been along time user of 7200 sisal twine with previous non thrower baler. Would like opinions of best twine to use now, don't want broken bales in racks. I bale grass, alfalfa, straw, and cornstalks.Does baler need modified to use plastic twine? I would appreciate your input.

Sisal or plastic twine