Anti-seepage waterproof anti-cracking unfired hollow brick and preparation method thereof
An anti-seepage and waterproof technology, hollow brick technology, applied in the field of building materials, can solve the problems that cannot be used for exterior walls, difficult to paint, and the surface is too smooth, etc., to achieve good waterproof and anti-cracking effect, scientific and reasonable formula, and good air permeability
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[0013] The present invention will be described in detail below through specific examples.
[0014] An anti-seepage, waterproof, crack-proof, non-fired hollow brick prepared from the following raw materials in parts by weight (kg): coal gangue 30, ordinary Portland cement 10, alum stone powder 1, sodium pyrophosphate 1, emulsified asphalt 3, the concentration is 3% Potassium methyl silicate 0.8, limestone 15, expanded vitrified beads 9, clay 20, synergist 15, water in proper amount;
[0015] The synergist is prepared from the following raw materials in parts by weight (kg): calcium stearate 1, polyvinyl formal adhesive 1, ordinary cement 4, polystyrene foam particles 3, ramie fiber 10, palm skin 9. Corn cob 13, fallen leaves 5, bamboo charcoal 3, redispersible latex powder 2, polyvinylpyrrolidone 1, water 15; the preparation method is as follows: first, ramie fiber, palm skin, corn cob, fallen leaves, and bamboo charcoal are mixed at 50-60...
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