Asphalt inogadzirwa neasphalt inosanganisa zvidyarwa zvinonyanya kukamurwa kuita matatu marudzi, zvinonzi nealar tar asphalt, petroleum asphalt uye yakasikwa asphalt.

Coal tar asphalt ndeye-chigadzirwa chekukanda, ndiko kuti, chinhu chakasviba chakasara mushure mekudzora kwetari yetari yetari. Musiyano uripo pakati peichi chinhu uye tar yakanatswa inongova muzvivakwa zvemuviri, uye hapana muganho uri pachena mune zvimwe zvinhu. Coal tar asphalt ine zvinhu zvakadai sechiFinanthrene uye pyrene izvo zvakaoma kushongedza. Izvi zvinhu zvine chepfu. Nekuti zvirimo zvezvinhu izvi zvakasarudzika zvakasiyana, zvivakwa zvemheni tar asphalt ichave yakasiyana. Uye zvakare, asphalt inosanganisa zvirimwa Vagadziri vanotaurira vashandisi kuti shanduko dzekupisa dzinotyisa dzine simba rakakura pane marasha tar asphalt. Ichi chinhu chakanyanya brittle munguva yechando uye nyore kupfava muzhizha.
Petroleum Asphalt anoreva zvakasara mushure mekusagadzikana mafuta distillation. Kazhinji kutaura, zvichienderana neiyo degree rekunatsa, peturu asphalt ichave mumvura, hafu-yakasimba kana yakasimba mamiriro ekunze tembiricha. Asphalt yemusango anochengeterwa pasi pevhu, uye vamwe vanogona zvakare kuumba madimita akawanda kana kuunganidza pamusoro pepasi pepasi crust. Assphalt yemusango kazhinji kazhinji haina kana zvinhu zvine chepfu nekuti zvakasikwa zvakasikwa uye oxidized.