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在化工顏料的大家族中，永固紫RL是一種非常重要的顏料。 一、基本信息 它有著明確的中英文名稱。中文名：永固紫RL；英文名：Pigment Violet 23。同時(shí)，它還有諸多別…

Dear Customer,Greetings!Due to the rising prices of raw materials and the impact of safety and environmental protection factors, the price of our Yonggu Purple product has been adjusted upward effective immediately. We a…

永固紫技術(shù)說(shuō)明書