Preparation method of cracking-resistance and maintenance-free plastering mortar, product and construction method thereof
A plastering mortar and anti-cracking technology, applied in the field of plastering mortar, can solve the problems of large plastering thickness, inadequate maintenance, and the mortar is prone to crispness, etc., achieves good tensile bond strength, reduces maintenance costs, and formula design reasonable effect
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[0056] Example 1: see figure 1 The preparation method of anti-cracking and maintenance-free plastering mortar provided in this embodiment includes the following steps:
[0057] (1) Preparation of raw materials: the components of raw materials and their weight ratio are as follows:
[0058] Cement 200Kg,
[0059] Second grade fly ash 30Kg,
[0060] Hydrated lime 20Kg,
[0061] The dried medium sand 746Kg,
[0062] Cellulose ether 0.8Kg;
[0063] Starch ether 0.2Kg,
[0064] Air-entraining agent 0.3Kg,
[0065] Polypropylene staple fiber 2Kg;
[0066] Water reducing agent 0.7Kg;
[0067] (2) Feeding: first add half of the cement and medium sand to the mixing equipment, and then add the secondary fly ash, slaked lime, cellulose ether, starch ether, air-entraining agent, polypropylene short fiber and water reducing agent into the mixing In the equipment, then add the remaining cement and medium sand to the mixing equipment;
[0068] (3) Stirring and mixing: start the mixing equipment to stir for...
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