No coking particle in SBP, so it has low ash (less than 0.01%), not to cause pollution of hard metal products.
SBP没有焦化粒子的存在，所以灰份低(0.01%以下)故不会引起硬质合金产品赃化。
The plastometer thickness of No. 2 coking coal and 1/3 coking coal increased dramatically by adding modified coal tar pitch, meanwhile, the coal caking indexes increased dramatically.
随着改质沥青的加入，焦2煤和1/3焦煤的胶质层厚度显著增加，焦2煤的粘结性指数也显著增加。
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