Non-combustible rubber powder polyphenyl-granule fire-retardant thermal-insulation paste with high water resistance
A technology of rubber powder polystyrene particles and high water resistance, which is applied in the direction of climate sustainability, sustainable waste treatment, solid waste management, etc., and can solve the problem of large fluctuations in dry density, compressive strength and combustion performance, and thermal insulation slurry The fire protection level cannot reach B1 level, and cannot meet the A level fire protection requirements, etc., to achieve the effect of reducing volume water absorption, improving workability and impermeability, and high fire resistance performance
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Embodiment 1
[0028] Weigh 65g of ordinary Portland cement, 9g of primary fly ash, 8g of superfine active metakaolin highly active mineral admixture, 5g of calcium hydroxide, 4g of alpha-type high-strength gypsum, polyethylene-vinyl acetate type redispersible 2g latex powder, 0.8g modified hydroxypropyl methylcellulose ether, 0.5g naphthalene superplasticizer NNO, 0.04g modified starch ether, 0.3g 12mm alkali-resistant glass fiber, 0.3 zinc stearate water repellent g, silane-based water-repellent SEAL800.5g, sodium lauryl sulfate air-entraining agent 0.01g, mixed and stirred for 6 minutes to obtain mixture A, set aside; continue to weigh the polystyrene with a particle size of 2mm and a bulk density of 14.5kg / m3 Styrene particles are used as B1 grade primary polystyrene particles 4.8g as material B, pour B into A, mix and stir for 6 minutes to obtain rubber powder polystyrene particle fireproof and thermal insulation slurry.
Embodiment 2
[0030] Weigh 68g of ordinary Portland cement, 5g of primary fly ash, 9g of superfine active metakaolin highly active mineral admixture, 5g of calcium hydroxide, 4g of alpha-type high-strength gypsum, polyethylene-vinyl acetate type redispersible 2g latex powder, 0.8g modified hydroxypropyl methylcellulose ether, 0.5g naphthalene superplasticizer NNO, 0.04g modified starch ether, 0.3g 12mm alkali-resistant glass fiber, 0.3 zinc stearate water repellent g, silane-based water repellent SEAL800.5g, sodium lauryl sulfate air-entraining agent 0.01g, mixed and stirred for 6 minutes to obtain mixture A, set aside; continue to weigh 4.8g of B1 primary graded polyphenylene particles as B Material, pour B into A, mix and stir for 6 minutes to get rubber powder polystyrene particle fireproof and heat-retaining slurry.
Embodiment 3
[0032] Weigh 70g of ordinary Portland cement, 2g of primary fly ash, 10g of superfine active metakaolin highly active mineral admixture, 5g of calcium hydroxide, 4g of alpha-type high-strength gypsum, polyethylene-vinyl acetate type redispersible 2g latex powder, 0.8g modified hydroxypropyl methylcellulose ether, 0.5g naphthalene superplasticizer NNO, 0.04g modified starch ether, 0.3g 12mm alkali-resistant glass fiber, 0.3 calcium stearate water repellent g, silane-based water repellent seal800.5g, sodium lauryl sulfate air-entraining agent 0.01g, mixed and stirred for 6 minutes to obtain mixture A, set aside; continue to weigh 4.8g of B1 primary graded polyphenylene particles as B Material, pour B into A, mix and stir for 6 minutes to get rubber powder polystyrene particle fireproof and heat-retaining slurry.
[0033] Table 1 compares the technical indicators of Examples 1 to 3 with the current standard technical indicator requirements of "Materials for Exterior Wall External...
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