Waterproof closed-cell expanded perlite
An expanded perlite and closed-cell technology, which is applied in the field of building thermal insulation materials, can solve the problems of increased thermal conductivity, large power consumption, and unsatisfactory thermal insulation effect.
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Embodiment 1
[0014] A kind of waterproof closed-cell expanded perlite, specifically: firstly, by weight, silica sol, water glass, waterproofing agent, cement powder, curing agent and water are proportioned, and mixed uniformly to obtain a waterproof closed-cell liquid Slurry, specifically, the weight ratio of silica sol, water glass, waterproofing agent, cement powder, curing agent and water is 50:250:5:80:5:2000, and the silica sol, water Glass, waterproofing agent, cement powder, curing agent and water are placed in the mixer and fully stirred, the stirring speed is 300-450 rpm, and the stirring time is 3-10 minutes; secondly, the waterproof closed-cell liquid slurry is evenly sprayed on the On the surface of expanded perlite, specifically, the expanded perlite is placed in a rotating drum, wherein the rotating speed of the drum is 20-80 rpm, and then the prepared waterproof closed-cell liquid slurry is sprayed by a shotcrete machine. Spray on the surface of the expanded perlite to form ...
Embodiment 2
[0017] The difference between the present embodiment and the first embodiment mainly lies in: a waterproof closed-cell expanded perlite, specifically, the weight ratio of the silica sol, water glass, waterproofing agent, cement powder, curing agent and water is 45:230 : 4.5: 75: 4.5: 1800; Spray 2159 kilograms of said waterproof closed-cell liquid slurry on every cubic meter of expanded perlite.
Embodiment 3
[0019] The difference between the present embodiment and the first embodiment mainly lies in: a waterproof closed-cell expanded perlite, specifically, the weight ratio of the silica sol, water glass, waterproofing agent, cement powder, curing agent and water is 55:270 : 5.5: 85: 5.5: 2100; Spray 2521 kilograms of the waterproof closed-cell liquid slurry on every cubic meter of expanded perlite.
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