HPMC solution has the function of surface activity, which can be used as colloid protecting agent, emulsifying agent and dispersant.
HPMC水溶液具有表面活性功能，可作为胶体保护剂，乳化剂和分散剂。
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。
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