Molemo oa sehlahisoa:
FT bokae na le tahlehelo ea boima ba 'mele e tlase haholo, e sebetsa hantle esale pele, bohareng le morao-rao;Kabo ea k'habone e tsepamisitsoeng, Khokahano ea kabo ea boima ba limolek'hule;Ka botsitso ba mocheso oa morao-rao, ha ho phallo, ha ho na pula, ha ho monko o monate, 'me ha ho na litlhoko tsa FDA.
Molemo oa sehlahisoa:
1. PVC stabilizers le lihlahisoa
2. Likhomaretsi tse chesang tse qhibilihisang
3. Ho roala ka phofo
4. Pente e tšoaeang litsela
5. Filler masterbatch
6. Phetoho ea asphalt