Dispersant NNO Naphthalene sulphonate formaldehyde condensate This product is light brown powder, an anionic surface active agent.

甲醛缩合物本品为浅褐色粉末，属阴离子型表面活性剂。

Dispersing agent NNO Naphthalene sulphonate formaldehyde condensate This product is light yellow to yellow-brown powder, an anion surface active agent.

甲醛缩合物本品为浅黄色至黄棕色粉末，属阴离子型表面活性剂。

The brightness and color strength and transparency of the pigment were improved by adding dispersant MF, NNO, polyacrylic acid and Red Oil, and a slightly change in hue was observed;

分散剂MF、扩散剂NNO、聚丙烯酸、红油使颜料的鲜艳度、着色力和透明度提高，色光有所变化；