Fireproof coating for thick formed steel constructions
A fire-resistant coating and steel structure technology, applied in the field of fire-resistant coatings, can solve the problems of coating environmental protection performance, impact resistance, impermeability and waterproof performance, anti-mildew performance, etc. Effects of smoke toxicity, waterproof and anti-seepage improvement, and impact resistance improvement
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[0035] Example 1
[0036] A fire-resistant coating for thick steel structures. The preparation method is as follows: first mix Portland cement and high-alumina cement at a ratio of 2:1 (by weight) to make the main binder, and then add 36 parts Add the main binder, 5 parts of polyvinyl alcohol and 3 parts of glass fiber to the non-gravity mixer. Turn on the flying knife to avoid adhesion and prevent uneven mixing. The mixing time is 3 minutes, turn off the flying knife, and add 5 parts of hydrogen. Alumina, 5 parts of magnesium hydroxide, 5 parts of NP composite flame retardant, 10 parts of wollastonite powder, 10 parts of mica powder, 0.25 parts of organosilane powder, 0.08 parts of antifungal agent ARGOS M6, continue stirring, stirring time is 3 minutes , Add 15 parts of expanded perlite; 15 parts of hollow glass beads, continue to stir, stirring time: 2 minutes, weighing and packing. After mixing the powder evenly, stir it evenly according to the ratio of powder to water of 1:...
Example Embodiment
[0037] Example 2
[0038] A fire-resistant coating for thick steel structures. The preparation method is as follows: add 36 parts of Portland cement, 5 parts of polyvinyl alcohol and 2.5 parts of glass fiber to a non-gravity mixer, open the flying knife to avoid adhesion and prevent mixing failure Even, the stirring time is 3 minutes, turn off the flying knife, then add 15 parts of aluminum hydroxide, 8 parts of wollastonite powder, 12 parts of mica powder, 0.3 parts of organosilane powder, 0.1 parts of anti-fungal agent ARGOS M6, continue to stir, stirring time For 3 minutes, add 16 parts of expanded perlite; 13 parts of hollow glass beads, continue to stir, stirring time: 2 minutes, weigh and pack out. After the powder is evenly stirred, stir it evenly according to the ratio of powder to water of 1:0.8, and it can be used according to the weight ratio.
Example Embodiment
[0039] Example 3
[0040] A fire-resistant coating for thick steel structures. The preparation method is as follows: add 35 parts of high-alumina cement, 4 parts of polyvinyl alcohol and 2 parts of glass fiber to a non-gravity mixer, open the flying knife to avoid adhesion and prevent uneven mixing , The stirring time is 3 minutes, turn off the flying knife, then add 7 parts of aluminum hydroxide, 6 parts of magnesium hydroxide, 12 parts of wollastonite powder, 8 parts of mica powder, 0.25 parts of organosilane powder, 0.08 parts of antifungal agent ARGOS M6, Continue to stir, stirring time is 3 minutes, add 18 parts of expanded perlite; 11 parts of hollow glass beads, continue to stir, stirring time: 2 minutes, weighing and packing out. After mixing the powder evenly, stir it evenly according to the ratio of powder to water of 1:0.78, and then it can be used according to the weight ratio.
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