A1-grade fireproof insulation mortar and preparation method thereof
A technology of fire-proof and heat-insulating mortar and fiber, which is applied in the field of building energy-saving materials, can solve problems such as poor fire performance, and achieve the effect of improving comprehensive performance and construction performance
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[0033] Example 1:
[0034] Ordinary Portland cement 33.5%, fly ash 5.2%, expanded vermiculite 17.38%, expanded vitrified microbeads 41.5%, fiber 0.18%, redispersible latex powder 1.6%, cellulose ether 0.56%, air-entraining agent 0.08 %.
[0035] The label of ordinary Portland cement is P.O42.5, and the bulk density of expanded vermiculite is 100kg / m 3 , The bulk density of the expanded vitrified beads is 80kg / m 3 , The thermal conductivity is 0.042W / m·K. The fiber is wood fiber with a length of 10mm, and the air-entraining agent is a fatty acid salt air-entraining agent.
[0036] The preparation method is as follows:
[0037] After weighing according to the weight ratio, the ordinary Portland cement, fly ash, expanded vermiculite and the pre-mixed redispersible latex powder, cellulose ether, fiber, air-entraining agent, etc. are mixed through a gravity-free mixer, and then Add the expanded vitrified microbeads and mix until uniform, then the desired product is obtained.
[0038] Tabl...
Example Embodiment
[0039] Example 2:
[0040] Ordinary Portland cement 38.2%, fly ash 7.2%, expanded vermiculite 15.62%, expanded vitrified microbeads 37.1%, fiber 0.16%, redispersible latex powder 1.2%, cellulose ether 0.46%, air-entraining agent 0.06 %.
[0041] The label of ordinary Portland cement is P.O42.5, and the bulk density of expanded vermiculite is 100kg / m 3 , The bulk density of the expanded vitrified beads is 80kg / m 3 , The thermal conductivity is 0.042W / m·K. The fiber is wood fiber with a length of 10mm, and the air-entraining agent is a fatty acid salt air-entraining agent.
[0042] The preparation method is as follows:
[0043] After weighing according to the weight ratio, the ordinary Portland cement, fly ash, expanded vermiculite and the pre-mixed redispersible latex powder, cellulose ether, fiber, air-entraining agent, etc. are mixed through a gravity-free mixer, and then Add the expanded vitrified microbeads and mix until uniform, then the desired product is obtained.
[0044] Tabl...
Example Embodiment
[0045] Example 3:
[0046] Ordinary Portland cement 41.1%, fly ash 8.2%, expanded vermiculite 19.06%, expanded vitrified microbeads 30.2%, fiber 0.14%, redispersible latex powder 0.9%, cellulose ether 0.36%, air-entraining agent: 0.04%.
[0047] The label of ordinary Portland cement is P.O42.5, and the bulk density of expanded vermiculite is 100kg / m 3 , The bulk density of the expanded vitrified beads is 80kg / m 3 , The thermal conductivity is 0.042W / m·K. The fiber is wood fiber with a length of 10mm, and the air-entraining agent is a fatty acid salt air-entraining agent.
[0048] The preparation method is as follows:
[0049] After weighing in proportion by weight, mix ordinary salt cement, fly ash, expanded vermiculite and pre-mixed redispersible latex powder, cellulose ether, fiber, air-entraining agent, etc. through a gravity-free mixer, and then add The expanded vitrified microbeads are mixed until uniform, and the desired product is obtained.
[0050] Table 2 shows the performan...
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