Fireproof thermal insulation plate base material and preparation method thereof
A fire-resistant heat preservation and board-based technology, which is applied in the base material of plate-type components and its preparation field, can solve problems such as poor fire resistance, safety hazards, application restrictions, etc., and achieve good heat insulation and fire resistance.
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[0019] Example 1
[0020] Take 0.1kg as 1 part, mix 60kg of fly ash, 3kg of asbestos, 12kg of expanded perlite, 7.5kg of bauxite, 1kg of water glass (concentration is 33g / L) and 5kg of water, and stir to each The components are uniformly bonded to obtain the base material of the refractory thermal insulation board, and the base material of the refractory thermal insulation board is placed in a plate-shaped mold to be pressed and formed, and air-dried to obtain the refractory thermal insulation board.
[0021] The National Building Materials Testing Center has tested the finished refractory insulation board according to , and obtained the following parameters:
[0022] Slurry density: 961kg / m 3 , qualified, the standard index is ≤1000kg / m 3 ;
[0023] pH value: 9, qualified, the standard index is 9-11;
[0024] Dry density: 273kg / m 3 , qualified, the standard index is ≤280kg / m 3 ;
[0025] Volume shrinkage: 9.9%, qualified, the standard index is ≤30%;
[0026] Tensile s...
Example Embodiment
[0031] Example 2
[0032] Take 0.1kg as 1 part, mix 70kg of fly ash, 10kg of glass wool, 7kg of expanded vermiculite, 10kg of bauxite, 1.5kg of water glass (concentration is 27g / L) and 5kg of water, and stir to The components are uniformly bonded to obtain the base material of the refractory insulation board.
[0033] The National Building Materials Testing Center has tested the finished refractory insulation board according to , and obtained the following parameters:
[0034] Slurry density: 955kg / m 3 ,qualified;
[0035] pH value: 9, qualified;
[0036] Dry density: 270kg / m 3 ,qualified;
[0037] Volume shrinkage: 9.8%, qualified;
[0038] Tensile strength: 105kPa, qualified;
[0039] Bonding strength: 47kPa, qualified;
[0040] Thermal conductivity (measured temperature is 343K±5K): 0.074W / (m·k), qualified;
[0041] Tensile strength after high temperature (873K constant temperature for 4h): 76kPa, qualified.
[0042] The National Building Materials Testing Center ...
Example Embodiment
[0043] Example 3
[0044] Taking 0.1kg as 1 part, mix 65kg of fly ash, 7.5kg of mineral wool, 10kg of floating beads, 5kg of high alumina fiber, 1kg of water glass (concentration of 33g / L) and 5kg of water, and stir to The components are uniformly bonded to obtain the base material of the refractory insulation board.
[0045] The National Building Materials Testing Center has tested the finished refractory insulation board according to , and obtained the following parameters:
[0046] Slurry density: 959kg / m 3 ,qualified;
[0047] pH value: 9, qualified;
[0048] Dry density: 272kg / m 3 ,qualified;
[0049] Volume shrinkage: 10.1%, qualified;
[0050] Tensile strength: 103kPa, qualified;
[0051] Bonding strength: 46kPa, qualified;
[0052] Thermal conductivity (measured temperature is 343K±5K): 0.072W / (m·k), qualified;
[0053] Tensile strength after high temperature (873K constant temperature for 4h): 78kPa, qualified.
[0054] The National Building Materials Testin...
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