Desulfurization gypsum-based thermal insulation mortar and preparation method thereof
A technology of desulfurized gypsum and thermal insulation mortar, which is applied in the field of comprehensive utilization of solid waste and building materials, can solve problems such as cracking, falling off, and easy hollowing, and achieve the effects of improving fireproof performance, low material loss, and good slip resistance
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Embodiment 1
[0036] Take 1000kg of desulfurized gypsum, 5kg of white cement, 15kg of redispersible latex powder, 4kg of wood fiber, 10kg of sepiolite fiber, 3kg of PP fiber, 5kg of polyvinyl alcohol, 3kg of water repellent, 1.6kg of retarder, and 2kg of water reducer , thickener 3kg, put into the mortar mixer and mix evenly, then add 400kg of vitrified microbeads to mix and stir to obtain desulfurized gypsum-based thermal insulation mortar, the dry density of this desulfurized gypsum-based thermal insulation mortar is 450kg / m 3 , The compressive strength is 0.9MPa.
Embodiment 2
[0038] Take 1000kg of desulfurized gypsum, 3kg of white cement, 10kg of redispersible latex powder, 2kg of wood fiber, 20kg of sepiolite fiber, 2kg of PP fiber, 3kg of polyvinyl alcohol, 3kg of water repellent, 1.4kg of retarder, and 2kg of water reducer , thickener 3.5kg, put into the mortar mixer and mix evenly, then add 420kg of vitrified microbeads to mix and stir to obtain desulfurized gypsum-based thermal insulation mortar, the dry density of this desulfurized gypsum-based thermal insulation mortar is 430kg / m 3 , The compressive strength is 0.7MPa.
Embodiment 3
[0040] Take 1000kg of desulfurized gypsum, 5kg of white cement, 15kg of redispersible latex powder, 4kg of wood fiber, 20kg of sepiolite fiber, 3kg of PP fiber, 2kg of polyvinyl alcohol, 3kg of water repellent, 1.6kg of retarder, and 2kg of water reducer , thickener 3kg, put into the mortar mixer and mix evenly, then add 360kg of vitrified microbeads to mix and stir to obtain desulfurized gypsum-based thermal insulation mortar, the dry density of this desulfurized gypsum-based thermal insulation mortar is 480kg / m 3 , The compressive strength is 1.2MPa.
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