... 黄色棕色yellow to brown paste 淡黄或黄色light yellow to yellow powder 干物质dry matter ...
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Development of yellow colour in pale colours when subjected to heat and/or light. When overcured for long periods or excessively high temperatures white powder coatings will darken or "yellow".
当涂层受热和/或光线照射下变化的趋势,长时间在较高的温度下,白色粉末涂料会变暗或发黄。
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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