In development of standard for color sands of colored asphalt shingle, requirements for the color sands were proposed in the light of production experience and overseas relevant information.
针对彩色沥青瓦彩砂标准的制定，参考国外资料并结合实际的生产经验，分析了彩砂在沥青瓦上应用应具备的质量要求。
In development of standard for color sands of colored asphalt shingle, requirements for the color sands were proposed in the light of production experience and overseas relevant information.
针对彩色沥青瓦彩砂标准的制定，参考国外资料并结合实际的生产经验，分析了彩砂在沥青瓦上应用应具备的质量要求。
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