Dihydrate gypsum based fireproof coating material
A technology of fire retardant coating and dihydrate gypsum, applied in the field of comprehensive utilization of industrial waste resources and fire retardant coating, can solve the problems of high resource consumption, empty drum, energy loss, etc., and achieve good fire resistance, cost reduction and energy saving. Effect
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[0023] Example 1
[0024] By weight, weigh 25 parts of dihydrate gypsum, 26 parts of fluorine gypsum, 18 parts of slag powder, 6 parts of cement, 6 parts of early strength agent, 1.1 part of coagulant, 2 parts of alkaline activator, 0.3 part of cellulose ether , 3 parts of redispersible rubber powder, 0.05 part of thixotropic agent and 0.2 part of PP fiber are put into the dry powder mixer, mixed and stirred for 3 minutes to obtain a uniformly mixed mixture, and then put the stirred mixture into the mixer, After adding 70 parts of water, mixing and stirring for 3 minutes, then adding 10 parts of expanded vermiculite and 15 parts of vitrified microbeads, and stirring for 2 minutes to obtain a dihydrate gypsum-based fireproof coating.
[0025] The dry density of the obtained dihydrate gypsum-based fireproof coating is 498kg / m 3 , the flexural strength is 0.58MPa, the compressive strength is 1.6MPa, the softening coefficient is 0.78, and the combustion performance is A2 grade. ...
Example Embodiment
[0026] Example 2
[0027] By weight, weigh 19 parts of dihydrate gypsum, 23 parts of fluorine gypsum, 15 parts of slag powder, 8 parts of cement, 10 parts of early strength agent, 1 part of coagulant, 2.5 parts of alkaline activator, 0.2 part of cellulose ether , 3 parts of redispersible rubber powder, 0.06 part of thixotropic agent and 0.3 part of PP fiber are put into the dry powder mixer, mixed and stirred for 3 minutes to obtain a uniformly mixed mixture, and then put the stirred mixture into the mixer, After adding 75 parts of water, mixing and stirring for 3 minutes, then adding 19 parts of expanded vermiculite and 6 parts of vitrified microbeads, and stirring for 2 minutes to obtain a dihydrate gypsum-based fireproof coating.
[0028] The dry density of the obtained dihydrate gypsum-based fireproof coating is 451kg / m 3 , the flexural strength is 0.45MPa, the compressive strength is 1.2MPa, the softening coefficient is 0.72, and the combustion performance is A2 grade. ...
Example Embodiment
[0029] Example 3
[0030] By weight, weigh 21 parts of dihydrate gypsum, 26 parts of fluorine gypsum, 18 parts of slag powder, 10 parts of cement, 6 parts of early strength agent, 0.8 part of coagulant, 2 parts of alkaline activator, 0.25 part of cellulose ether , 2.5 parts of redispersible rubber powder, 0.05 part of thixotropic agent and 0.3 part of PP fiber are put into the dry powder mixer, mixed and stirred for 3 minutes to obtain a uniformly mixed mixture, and then put the stirred mixture into the mixer, After adding 71 parts of water, mixing and stirring for 3 minutes, adding 12 parts of expanded vermiculite and 13 parts of vitrified microbeads, and stirring for 2 minutes to obtain a dihydrate gypsum-based fireproof coating.
[0031] The dry density of the obtained dihydrate gypsum-based fireproof coating is 468kg / m 3 , the flexural strength is 0.66MPa, the compressive strength is 1.18MPa, the softening coefficient is 0.87, and the combustion performance is A2 grade.
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