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The main product from the distillation of high temperature coal tar. A black solid with an approximatesoftening point from 30 ? to 180 ?. Composed primarily of a complex mixture of mainly three or more condensed-ring aromatic hydrocarbons.

Gether Chemical Industry Materials Co., Ltd. is a scientific and technological enterprise which engaged in R&D, production marketing. It mainly serves building chemical waterproofing, butyl rubber damping.We have advanced testing equipments can help customers to design develop all kinds of accessories, processing. The ...

KRS (Qingdao Perfect Roof Co., Ltd.) is specialized in the research, manufacture and development of roofing tile, roof panel, sheet, wall cladding siding materials, steel structure anticorrosion heat insulation materials waterproof for industry, construction, commercial building, residential DIY public projects. On ...

oceanpower has devoted to studying, developing and promoting new engineering materials, technologies. Business covered fields such as construction of roads, railways, bridges, buildings, airports, hydrostructures, harbors, tunnels, etc. more than 200 successfull cases in mainland China. ...