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Lub Tebchaws Cov Qauv Nruab Nrab Nruab Nrab kub ntxhov
Qhov taw qhia yuav tsum muaj:
Softening taw tes: 80-90 ℃
Cov tshauv cov ntsiab lus: ≤ 0.3%
Coking Tus Nqi: ≥ 50%
Volatility: 58-62%
Insoluble cov tshuaj hauv Toluene: 15-25%
Quinoline insoluble cov tshuaj: 4-10%.
