... .5Ash,%, ≤0.030.05Water dissolve test of formaldehydeTurbidity(kaolin) ≤2030Chroma(Hazen)Unit—(Pt-Co)≤2030 Applications of ... plastic, paint, paper, textile, leather, electrical, pharmaceutical and other industries. The main Uses are the following aspects: ... Fabric finishing agents, leather tanning Run agent, glazing agent and waterproof agent, rubber adhesive,flame accelerant, efficient cement water ...