Tushewar roba yana nufin mai karawa roba mai karuwa . actaccization na karuwa zuwa ga roba da aka kawo tsakanin wakilin m da roba Molecule, saboda haka cimma sakamakon rage matsalar rashin daidaituwa kuma yana rage yawan ƙarfin ƙarfin jiki {{3} a cikin su, sulfenames da mafi kyawun aiki kuma sun fi dacewa da yawa amfani {{4}
Super Takwara don roba na zahiri, Styrene but roba, nitril roba, bututu, takalmin roba, launuka na ciki da sauransu 1}