Derusting-free metal surface corrosion-resisting cement paint
A metal surface and cement coating technology, applied in the direction of anti-corrosion coatings, cement coatings, etc., can solve the problems of high cost requirements, achieve good wear resistance, long service life, and increase the service life
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Embodiment 1
[0026] A kind of rust-free metal surface anticorrosion cement paint, comprises rust-removing layer paint and waterproof layer paint, and rust-removing layer paint comprises Portland cement and rust remover, and waterproof layer paint comprises Portland cement and waterproofing agent, rust remover Or the weight ratio of waterproofing agent and Portland cement is 1:1.3, and the rust remover comprises the following materials in weight percentage: 90% water, 5% calcium chloride, 3% polyvinyl alcohol, and 2% dispersion compounding aid, The waterproofing agent includes materials in the following weight percentages: 89% water, 6% sodium methyl silicate, 3% polyvinyl alcohol and 2% dispersion composite auxiliary agent. Portland cement consists of materials in the following percentages by weight: 95% Portland and 5% gypsum. The polyvinyl alcohol in the rust remover is polyvinyl alcohol 088-60, and the polyvinyl alcohol in the waterproofing agent is 100-40H.
Embodiment 2
[0028] A kind of rust-free metal surface anticorrosion cement paint, comprises rust-removing layer paint and waterproof layer paint, and rust-removing layer paint comprises Portland cement and rust remover, and waterproof layer paint comprises Portland cement and waterproofing agent, rust remover Or the weight ratio of waterproofing agent and Portland cement is 1:1.2, and the rust remover comprises the following materials by weight percentage: 86% water, 3% calcium chloride, 2% polyvinyl alcohol, and 1% dispersing composite additive, The waterproofing agent comprises the following materials in weight percentage: 90% water, 3% potassium methyl silicate, 4% polyvinyl alcohol and 3% dispersion composite auxiliary agent. Portland cement consists of materials in the following percentages by weight: 95% Portland and 5% gypsum. The polyvinyl alcohol in the rust remover is polyvinyl alcohol 088-60, and the polyvinyl alcohol in the waterproofing agent is 100-40H.
Embodiment 3
[0030] A kind of rust-free metal surface anticorrosion cement paint, comprises rust-removing layer paint and waterproof layer paint, and rust-removing layer paint comprises Portland cement and rust remover, and waterproof layer paint comprises Portland cement and waterproofing agent, rust remover Or the weight ratio of water repellent and Portland cement is 1:1.5, and the rust remover comprises the following materials in weight percentage: 94% water, 7% calcium chloride, 4% polyvinyl alcohol, and 3% dispersion composite additive, The waterproofing agent comprises the following materials in weight percentage: 87% water, 10% sodium methyl silicate, 2% polyvinyl alcohol and 1% dispersion composite auxiliary agent. Portland cement consists of materials in the following percentages by weight: 95% Portland and 5% gypsum. The polyvinyl alcohol in the rust remover is polyvinyl alcohol 088-60, and the polyvinyl alcohol in the waterproofing agent is 100-40H.
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