Aluminate cement material containing mineral in Q phase
A technology of aluminate cement and cement material, applied in the field of cement materials, can solve the problems of low firing temperature, high early strength, poor hydration activity of dicalcium aluminosilicate, etc., and achieves low firing temperature and low production cost , Highlight the effect of early strength and fast hard performance
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[0032] 1. the weight percent of the clinker mineral of each cement system in the Q phase aluminate cement system of the present invention, firing condition and compressive strength are:
[0033] (1) Q phase-CA-C 12 A 7 Cement system:
[0034] The weight percentage of clinker mineral is:
[0035] Q phase (C 6 A 4 MS): 40-80%
[0036] Monocalcium aluminate: 10-50%
[0037] Calcium heptaaluminate: 5-10%
[0038] The firing temperature of cement is: 1230~1300℃; the holding time is 20~60min;
[0039] The compressive strength of cement mortar: 1d is 35-50MPa,
[0040] 3d is 50~80MPa,
[0041] 28d is 70-106 MPa.
[0042] (2) Q phase-CA-C 12 A 7 -C 4 AF cement system:
[0043] The weight percentage of clinker mineral is:
[0044] Q phase (C 20 A 13 m 3 S 3 ): 40~80%
[0045] Monocalcium aluminate: 10-50%
[0046] Calcium heptaaluminate: 5-10%
[0047] Tetracalcium aluminoferrite: 5-10%
[0048] The firing temperature of cement is:...
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