Structure of thermal protective coating material for metal surface and use thereof
A technology for coating materials and metal surfaces, which is applied to the structure of thermal protective coating materials and the structure of thermal protective coating materials for metal surfaces, which can solve the problems of inability to move the launch pad, thick thickness, and heavy weight.
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Embodiment 1
[0029] The preparation of embodiment 1 thermal protection coating material
[0030] 1. Preparation of organic bottom layer: mix epoxy resin SM828, curing agent polyamide 650, and toughening agent liquid rubber according to the ratio of 7:2:1, and then coat it on the 190×120×5mm surface after removing rust and paint. On the steel plate, the coating thickness is 2mm.
[0031] 2. Preparation of the middle layer of refractory lightweight aggregate: Evenly spread and paste refractory lightweight aggregate of 6-35 mesh on the organic bottom layer, the mass ratio of the refractory lightweight aggregate to the organic bottom layer is 1:0.3.
[0032] 3. Preparation of the inorganic surface layer: firstly mix the filler sand and cement uniformly according to the mass ratio of 2:1, and then add to the mixed solution of water glass (M=3) and curing agent sodium fluorosilicate according to the mass ratio of 10:1 , filler sand and cement: the mass ratio of water glass containing curing age...
Embodiment 2
[0036] The preparation of embodiment 2 thermal protection coating material
[0037] 1. Preparation of organic bottom layer: mix epoxy resin SM828, curing agent polyamide 650, and toughening agent liquid rubber according to the ratio of 7:2:1, and then coat it on the 190×120×5mm surface after removing rust and paint. On the steel plate, the coating thickness is 4mm.
[0038]2. Preparation of the middle layer of refractory lightweight aggregate: Evenly spread and paste refractory lightweight aggregate of 6-35 mesh on the organic bottom layer, the mass ratio of the refractory lightweight aggregate to the organic bottom layer is 1:0.4.
[0039] 3. Preparation of the inorganic surface layer: First, mix the filler sand and cement evenly in a mass ratio of 2.5:1, and then add it to the mixed solution of water glass (M=3) and curing agent sodium fluorosilicate in a mass ratio of 10:1 , filler sand and cement: the mass ratio of water glass containing curing agent=1:1. The surface lay...
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