Lub cev muaj zog: Petroleum resins tsim siv C9 feem hauv roj av raws li cov khoom siv raw hu ua C9 roj av resins. Nws yog tau los ntawm polymerizing cov seem seem (C8 ~ C11) tom qab sib cais benzene, Petroleum Resin toluene thiab xylene los ntawm hnyav los ntawm cov khoom tawg cov roj. Nyob rau hauv chav tsev kub, nws yog ib tug iav thermoplastic khoom, nkig, Roj av Resin lub teeb daj mus rau lub teeb xim av, nruab nrab molecular luj 500 ~ 1000.
Lub Hoobkas tuaj yeem ua tau raws li cov kev xav tau ntawm kev lag luam thiab kev lag luam, kom lawv cov khoom tau txais kev lees paub thiab ntseeg siab, thiab yog vim li cas peb xaiv lub tuam txhab no.
Lub tuam txhab no tuaj yeem ua tau raws li peb cov kev xav tau ntawm cov khoom kom muaj nuj nqis thiab lub sijhawm xa khoom, yog li peb ib txwm xaiv lawv thaum peb muaj kev yuav khoom.
