Fireproof exterior wall dry-mixed mortar
A dry powder mortar and exterior wall technology, applied in the field of building materials, can solve the problems of poor high temperature resistance of polystyrene boards, rising overall project costs, unsatisfactory fire prevention effects, etc., to achieve good fire prevention effects, economical and practical materials, and good adhesion force effect
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[0032] Example 1
[0033] A dry powder mortar for fire-resistant exterior walls, consisting of the following components by weight percentage:
[0034] Portland cement 44%
[0035] Quartz sand 12%
[0036] Yellow sand 15%
[0037] Coal gangue powder 25%
[0038] Bentonite 3%
[0039] Redispersible latex powder 0.2%
[0040] Cellulose ether 0.4%
[0041] Citric acid 0.4%
[0042] The Portland cement is 42.5R cement;
[0043] The particle size of the quartz sand is 200 mesh;
[0044] The yellow sand is river sand with a mud content of 1% and a density of 2500kg / m 3 ;
[0045] The particle size of the coal gangue powder is 600 mesh;
[0046] The bentonite is organic bentonite;
[0047] The redispersible latex powder is a rubber powder produced by copolymerization of polyvinyl acetate and polyvinyl alcohol;
[0048] The cellulose ether is methyl hydroxyethyl cellulose ether;
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