coal tar -凯发k8国际官网
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凯发k8国际官网
凯发k8国际官网
凯发k8国际官网
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coal tar
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2020-03-26
coal tar
the quality of coal tar is stable and a long-term cooperative relationship with zaozhuang jiefuyi has been established.
quality standards are shown below:
density(g/cm
3
)
1.15-1.21
toluene insoluble (dry, %)
≤
3.5-7.0
ash content (%)
≤
0.13
viscosity e80
≤
4.0
moisture(%)
≤
3.0
naphthalene (dry, %)
≥
7.0
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