Index: outward Appearance white powder, no cake.
产品外观：白色粉末、无结团、无杂色颗粒。
Appearance white, more edges and corners, without powder product attached to quartz sand surface.
外观洁白，多棱角，无粉末积附于石英砂表面。
Appearance: white, free flowing, free from harmful substances and foreign matters.
外观：白色，自由流动，无有害物质和杂质。
Appearance: White or pale yellow powder.
性状：白色或淡黄色粉末。
Appearance: White or pale yellow powder.
性状：白色或淡黄色粉末。
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