Natural rubber latex, extracted from rubber trees (Hevea brasiliensis), purified and stabilized with ammonium (60%), and PVC K70 resin were kindly donated by Parabor (São Paulo, Brazil) and Braskem (São Paulo, Brazil), respectively
Natural rubber latex, extracted from rubber trees (Heveabrasiliensis), purified and stabilized with ammonium (60%),and PVC K70 resin were kindly donated by Parabor (SãoPaulo, Brazil) and Braskem (São Paulo, Brazil), respectively