Use: mainly used in the production of casting bonding agent, rubber softening agent, cement prefabricating and isolating agent, black printing-ink, bitumenous coatings etc.

• 用途:主要用于生产铸造粘结剂，橡胶软化剂，水泥预制隔离剂，黑色印刷油墨，沥青涂料等。