Generaly, reducing compression set is achieved by reducing the amount of fillers and by increasing the amount of vulcanization agents which is in your case Zinc oxide, magnesium oxide and accelerators used in chloropren eg ( ETU)
Good morning, i want to know the difference between the bambury and the kneader when it comes to dispersion and duration of mixing if the filler is carbon black N330 (50 pce) oil is ( 5 pce)