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Active powder concrete for tunnel construction and maintenance and strengthening, comprises common silicate cement, superfine mineral powder, silicon ash, fly ash, expansion agent, sand, carbon black.
GU Z
Preparing production assembly type environment-friendly energy-saving insulating plate based on urban solid waste garbage involves putting silk fiber in urea solution for degumming treatment, washing, placing in calcium chloride solution.
TANG W
Ceramic tile adhesive contains Portland cement, aggregate compound, polypropylene fiber compound-modified faujasite, modified rice hull ash, pyrophyllite powder, nano graphene powder, inorganic thixotropic agent and water reducing agent.
GONG H, YI X, YI C, LIU X, SHEN Y, LI Y
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