Pochiritsa zomatira za magawo 100 polemera (pbw) kutengera:
Graft-Chloroprene rabara(zokhala ndi mphira pafupifupi 16%) | 3-5% pbw RF |
Chloroprene rabara(rabala zili pafupifupi 20%) | 5-7% pbw RF |
Hydroxyl polyurethane(zopangidwa ndi polyurethane pafupifupi 15%) | 3-5% pbw RF |
Nthawi zambiri, kuchuluka kwa zomatira kumagwiritsidwa ntchito pafupifupi 3% ~ 5%, koma chinyezi mumlengalenga chikamachuluka, kuchuluka kwa machiritso kuyenera kuwonjezeka pang'ono. Komabe, chonde musaonjezere kupitirira 10%. Pakadali pano, kutentha kwa chipinda kumawonjezeka, liwiro la chothandizira komanso zomatira kumawonjezekanso. Chifukwa chake, kuchuluka kwa mankhwalawa kuyenera kuchepetsedwa.