Inorganic fire-prevention rust-prevention coating for steel structures and preparation method thereof
A technology for anti-rust coatings and steel structures, applied in the direction of fire-resistant coatings, anti-corrosion coatings, alkali metal silicate coatings, etc., can solve the problems of strong irritation of organic anti-rust paints, affecting the health of workers, and failing to achieve fire protection functions, etc. , to achieve the effect of hard texture, tight internal structure, and fireproof performance
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Embodiment 1
[0029] Inorganic fireproof and antirust paint for steel structure is composed of powder and colloid, wherein the colloid is potassium silicate, and the weight ratio of powder to colloid is 1:0.8; the powder is made up of the following ingredients by weight percentage (the total weight is 10Kg):
[0030] components
Magnesite powder
Talc powder
Silica powder
Silica-alumina powder
Weight (kg)
0.5
4
3
2.5
Weight percentage (%)
5
40
30
25
[0031] Among them, the particle size of magnesium stone powder is 2500 mesh, MgO content ≥ 98%; the particle size of talc powder is 2000 mesh, SiO 2 Content ≥ 59%; the particle size of silica powder is 3000 mesh, SiO 2 Content ≥ 98%; the particle size of silicon aluminum powder is 600 mesh, SiO 2 Content ≥ 50%. The particle size of each powder component is small, and it is easier to disperse, so that it forms a dense structure in the coating.
[0032] According to ...
Embodiment 2
[0045] Inorganic fireproof and antirust paint for steel structure is composed of powder and colloid, wherein the colloid is potassium silicate, and the weight ratio of powder to colloid is 1:1; the powder is made up of the following ingredients in weight percentage (total weight is 10Kg):
[0046] components
Magnesite powder
Talc powder
Silica powder
Silica-alumina powder
Weight (kg)
40
32
4
24
Weight percentage (%)
40
32
4
24
[0047] Among them, the particle size of magnesium stone powder is 3000 mesh, MgO content ≥ 99%; the particle size of talc powder is 6000 mesh, SiO 2 Content ≥ 60%; the particle size of silica powder is 4000 mesh, SiO 2 Content ≥ 98%; the particle size of silicon aluminum powder is 650 mesh, SiO 2 Content ≥ 50%. The particle size of each powder component is small, and it is easier to disperse, so that it forms a dense structure in the coating.
[0048] According to the wei...
Embodiment 3
[0061] Inorganic fireproof and antirust paint for steel structure is composed of powder and colloid, wherein the colloid is potassium silicate, and the weight ratio of powder to colloid is 1:0.9; 10Kg):
[0062] components
Magnesite powder
Talc powder
Silica powder
Silica-alumina powder
Weight (kg)
4
3.2
0.4
2.4
Weight percentage (%)
40
32
4
24
[0063] Among them, the particle size of magnesium stone powder is 5000 mesh, MgO content ≥ 99%; the particle size of talc powder is 3000 mesh, SiO 2 Content ≥ 60%; the particle size of silica powder is 6000 mesh, SiO 2 Content ≥ 98%; the particle size of silicon aluminum powder is 1300 mesh, SiO 2 Content ≥ 50%. The particle size of each powder component is small, and it is easier to disperse, so that it forms a dense structure in the coating.
[0064] According to the weight of the powder, weigh 9Kg of potassium silicate colloid, the modulus range of po...
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