Gypsum-based thermal insulation material for interior walls and preparation method thereof
一种保温材料、石膏基的技术,应用在建筑材料领域,能够解决干燥收缩率大、干密度大、费时费工费材料等问题,达到广阔市场前景、干燥收缩小、保温效果好的效果
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[0015] A gypsum-based thermal insulation material special for interior walls. The weight ratio of each component is:
[0016] Water 60;
[0017] Sepiolite 22;
[0018] Vitrified beads 9;
[0019] Aluminum silicate cotton 4;
[0020] Plaster 3;
[0022] The composition gypsum is desulfurized gypsum, and the cellulose ether is hydroxypropyl methylcellulose.
[0023] After testing the performance indicators of the formula of this embodiment are:
[0024] Dry density 220 kg / m 3
[0025] Compressive strength 0.25 MPa
[0026] Tensile strength 0.10 MPa
[0027] Thermal conductivity 0.060 W / m.K
[0028] The drying shrinkage value is 0.12 mm / m.
[0029] The preparation method of the above embodiment, the specific steps are: weigh the components according to the aforementioned weight ratios, dry-mix sepiolite, vitrified microbeads, aluminum silicate wool, and cellulose ether in advance to a uniform state, and then add the weight M...
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