A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses a flame-retardant external wall thermal insulation material and a preparation method thereof and belongs to the technical field of building materials. The flame-retardant external wall thermal insulation material is prepared from, by weight, 25-35 parts of sepiolite, 4-16 parts of sodium silicate, 4-16 parts of cinerite, 4-8 parts of quartz sand, 3-9 parts of ash-calcium powder, 0.8-1.2 parts of polyvinyl alcohol, 10-20 parts of water and 5-15 parts of fire retardant. The flame-retardant external wall thermal insulation material has the advantages of being good in flame-retardant effect, thermal insulation effect and heat and sound insulation effect, low in water absorptivity, resistant to low temperature and acid-base property and the like, and the preparation method is simple and suitable for large-scale production.
The invention discloses a flame-retardant external wall thermal insulation material and a preparation method thereof and belongs to the technical field of building materials. The flame-retardant external wall thermal insulation material is prepared from, by weight, 25-35 parts of sepiolite, 4-16 parts of sodium silicate, 4-16 parts of cinerite, 4-8 parts of quartz sand, 3-9 parts of ash-calcium powder, 0.8-1.2 parts of polyvinyl alcohol, 10-20 parts of water and 5-15 parts of fire retardant. The flame-retardant external wall thermal insulation material has the advantages of being good in flame-retardant effect, thermal insulation effect and heat and sound insulation effect, low in water absorptivity, resistant to low temperature and acid-base property and the like, and the preparation method is simple and suitable for large-scale production.
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