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Quality evaluation method of rockwool aggregate for rockwool spraying method
Quality evaluation method of rockwool aggregate for rockwool spraying method
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机译:岩棉喷涂法岩棉骨料质量评价方法
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摘要
PROBLEM TO BE SOLVED: To provide a technology with improving jamming of rock wool in a hose during a spraying method of the rock wool, a technology with improving cotton waste and a rock wool aggregate less in jamming of the rock wool in the hose during the spraying method of the rock wool and less in cotton waste.MEANS: There is provided a rock wool aggregate having 20% or less of a reduction amount of 1 mm residual rate (R) at predetermined total rotation number (N) of 48000 to 50000 rotations to 1 mm residual rate (R) at predetermined total rotation number (N) of 9500 to 10500 rotations, calculated by a 1 mm residual rate measurement test with an input process, an agitation process, a volatilization process and a classification process. There is provided a quality evaluation method of the rock wool aggregate for rock wool spraying method having a process for selecting the rock wool aggregate having reduction amount of Rto R(selection process) of a specified value or less. The specified value is suitably 20% or less.SELECTED DRAWING: None
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