Lost foam casting paint
A technology of lost foam casting and coating, which is applied to casting molding equipment, coatings, casting molds, etc. It can solve the problems of casting cavity collapse, low high temperature strength, and shape deformation, etc., and achieve high room temperature strength and high temperature strength, high temperature breathability The effect of good performance and comprehensive performance improvement
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Example Embodiment
[0016] Example one
[0017] A lost foam casting coating, the coating is composed of the following components in parts by weight: 20 parts of zircon powder, 20 parts of kaolin, 10 parts of corundum powder, 3 parts of polyvinyl acetate emulsion, 1 part of aluminum sulfate, 1 part of attapulgite Parts, 0.2 parts of disodium hydrogen phosphate, 7 parts of sodium bentonite, 0.4 parts of sodium benzoate, 0.5 parts of iron oxide, 0.05 parts of n-octanol, 1.2 parts of carboxymethyl cellulose, 0.05 parts of ethyl acetate, nonylphenol polyoxygen 0.06 parts of vinyl ether and 15 parts of water, wherein the particle size of the zircon powder and high territories is 180-320 mesh, and the particle size of the corundum powder is 250-350 mesh.
Example Embodiment
[0018] Example two
[0019] A lost foam casting coating, the coating is composed of the following components in parts by weight: 30 parts of zircon powder, 15 parts of kaolin, 15 parts of corundum powder, 2 parts of polyvinyl acetate emulsion, 2 parts of aluminum sulfate, and 0.5 parts of attapulgite Parts, 0.3 part of disodium hydrogen phosphate, 5 parts of sodium bentonite, 0.6 part of sodium benzoate, 0.3 part of iron oxide, 0.1 part of n-octanol, 0.6 part of carboxymethyl cellulose, 0.08 part of ethyl acetate, nonylphenol polyoxygen 0.04 parts of vinyl ether and 25 parts of water, wherein the particle size of the zircon powder and high territories is 180-320 mesh, and the particle size of the corundum powder is 250-350 mesh.
Example Embodiment
[0020] Example three
[0021] A lost foam casting coating, the coating is composed of the following components in parts by weight: 22 parts of zircon powder, 18 parts of kaolin, 12 parts of corundum powder, 2.2 parts of polyvinyl acetate emulsion, 1.2 parts of aluminum sulfate, and 0.8 parts of attapulgite Parts, 0.22 parts of disodium hydrogen phosphate, 6.5 parts of sodium bentonite, 0.45 parts of sodium benzoate, 0.45 parts of iron oxide, 0.06 parts of n-octanol, 1.0 part of carboxymethyl cellulose, 0.06 parts of ethyl acetate, nonylphenol polyoxygen 0.055 parts of vinyl ether and 18 parts of water, wherein the particle size of the zircon powder and high territory is 180-320 mesh, and the particle size of the corundum powder is 250-350 mesh.
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