Production method of water based paint special for lost foam
A technology of water-based coating and production method, which is applied in the direction of coating, casting molding equipment, casting molds, etc., which can solve the problems of surface sticking sand, casting deformation, roughness, etc., and achieves easy cleaning, good brushability, and adhesion high intensity effect
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Embodiment 1
[0016] Get 50 kg of earthy graphite powder, 50 kg of flake graphite powder, 5 kg of bentonite, 3 kg of hydroxymethyl cellulose, 1.5 kg of latex glue, 3 kg of cornstarch, 3 kg of dextrin, and 2 kg of BY binder.
[0017] Put all the above ingredients into a mixer, add an appropriate amount of water and stir evenly, and then the water-based coating for lost foam is ready.
Embodiment 2
[0019] Take 50 kg of earthy graphite powder, 50 kg of flake graphite powder, 10 kg of bentonite, 5 kg of hydroxymethyl cellulose, 3 kg of latex glue, 5 kg of cornstarch, 5 kg of dextrin, and 3 kg of BY binder.
[0020] The production process is the same as in Example 1 to make a special water-based coating for lost foam.
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