(2021-08-11) Nyehelo ea kajeno ea C9 petroleum resin e tsitsitse, phepelo ea 'maraka e tsitsitse, resin e lefifi ea fektheri e romelloa hantle, thepa e tlase, tlhoko ea resin e bobebe e bobebe,' me ho tlatsoa hoa hlokahala feela;
Bakeng sa resin ea petroleum e batang ea copolymerized, liodara tsa kantle ho naha li ntse li le tlas'a khatello, 'maraka oa lehae oa fokola,' me feme e rekisa ka chelete e ngata.
Ho lebeletsoe hore resin e khanyang ea thermopolymer 'marakeng kajeno e tla lula e tsitsitse ho USD670-USD750/ton. Resin ea 'mala o lefifi oa thermopolymer ke USD480-USD640/ton. Resin e batang ea polymer ke USD1100-USD1220
