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。
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