Quality in the warm asphalt | Xin Yuan in the warm asphalt supply | Xin Yuan in temperature asphalt Heilongjiang Sales | Xin Yuan quality construction change the quality of asphalt | Xin Yuan company supply change bitumen | standard change the quality of asphalt | Xin Yuan manufacturers Hebei in the warm asphalt manufacturers Xin Yuan | quality in the temperature production of asphalt GB asphalt | Xin Yuan Xin Yuan asphalt the first brand of professional production and sales of medium temperature pitch | electrode dedicated asphalt Qingyuan County Xin Yuan refractory Sales Co., Ltd., established in 1999, has been adhering to the "integrity management, practical work." principles and business philosophy, by the support and trust of our customers, the monthly throughput of 5000 tons or more, welcome new and old customers to negotiate. Products: medium temperature pitch, the capacitance of magnesia, industrial naphthalene, high-temperature asphalt powder, graphite regeneration electrode. 
 Medium temperature asphalt tar distillation residue part of the production rate accounted for 54 to 56 percent of the tar, it is more than the tricyclic aromatic compounds and oxygen, nitrogen, sulfur-containing heterocyclic compounds and a small amount of polymer carbon material. Asphalt component of the molecular weight of between 200 and 2000 up to 3000. Medium temperature pitch is classified according to the softening point. The softening point of 65 ~ 90 ° C for medium temperature pitch.