Chomera chosakanizira cha phula chimayambitsa mitundu ya ma racesiers:
Ndi chitukuko cha chuma cha dziko lonse, voliyumu yamagalimoto ikukulirakulira, katundu wamagalimoto akulemera, ndipo kutentha kumayatsa. Misewu yayikulu ya phula sathanso kukwaniritsa zofunikira za misewu yayikulu kwambiri komanso magawo apadera. Pofuna kusintha pamsewu popewa kuwonongeka kwamuyaya, kuwulutsa, kupukusa, kutopa, kutentha kwazinthu za phula kuti zisinthe ntchito zonse za phulusa.

Asphalt osinthidwa ndikuwonjezera masinthidwe oyenera komanso oyenera (chimodzi kapena zingapo) mpaka pa maziko a phula kuti musinthe kapena kukonza njira kapena njira yogwiritsira ntchito zofunika.
Mapamwamba a pyatherlemoptic: polyethylene pe, Eva, etc.;
Zolemba: Phenolic Resin, epoxy stun, etc.;
⒊Rruber: Chuma chachilengedwe Nr, SBR, Kr, BR, IIR, etc.;
Ethermoplastic elastomers: Sbs, sis, sebs, etc.;
Aluphalale: Nyanja ya Asphalt, Rock Asphalt, etc.
Thermoplastic elastomer sbs ili ndi mgwirizano wabwino ndi kukhazikika kwa phula ndi phula, ndipo ali ndi kutentha kwambiri komanso kutentha kwakanthawi kochepa; Sbs ndiye sulufa kwambiri kwambiri kunyumba ndi kunja.
SBS ndi elastorst elastomer, yomwe ndi mzere kapena wowoneka bwino wa polymer polymer ndi molymer, cytrahydrofor monga oyambitsa. Tsitsi la Polymer Tyrinyo limakhala ndi ma block osiyanasiyana a mawonekedwe, omwe ndi gawo la pulasitiki ndi gawo la mphira, ndikupanga mawonekedwe a alloy. Chifukwa cha kapangidwe kameneka, ili ndi chipwirikiti komanso pulasitiki komanso kusinthasintha ndi kututa kwa mphira.