Iyo mikuru yemidziyo yakasvibirira ndeyechisikigo yemiriwo gum uye starch-based, iyo inotsvedzerera kugunzva kana yakashandiswa, ine mavara akajeka uye akazara, kushanduka kushoma mune yakanyorova uye yakaoma, yakadzika uye isina-curling mifananidzo, uye isina formaldehyde.