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concrete sleeper molds Photos Catalog - page 54 - WorldBid B2B Market
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Newreach Silica Fume Newreach Micro Silica For Hpc ConcreteConstruction - Building Materials - Wuhan Newreach Microsilica Co.,Ltd - China - August 20, 2012 - contact company for priceNewreach Silica Fume /Newreach Micro Silica for HPC Concrete Appearance:Gr ey powder Silicon Dioxide(SiO2) Min 90 % Moisture Content Max 1.0% Specific surface (m2/g) >18 Loss on Ignition(L.O.I) @ 975℃ Max 3 % Percent Retained On 45μm (325 ...