Release agent of sand mould and sand core and preparing process thereof
A technology of release agent and sand core, which is applied in cores, casting molding equipment, casting molds, etc., and can solve the problems of increasing the service life of molds
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Embodiment 1
[0018] Add 150kg of 200# solvent oil, 20kg of organic bentonite paste (manufactured by Shenyang Foundry Materials Research Institute), into the feed tank of the FG250 type disperser, stir at 600r / min for 5min, add 25kg of calcium stearate, and 4kg of iron oxide red at 800r / min Stir at 500r / min for 5min, then add 0.7kg of 30% rosin ethanol solution and stir for 5min at 500r / min, after stirring evenly, add the mixed slurry into the SK20-1 sand mill, disperse and load it into a barrel.
Embodiment 2
[0020] Add 50kg of 120# solvent oil, 30kg of organic bentonite paste (manufactured by Shenyang Foundry Materials Research Institute) into the FG-250 type disperser bucket and stir for 5min at 600r / min, add 24kg of calcium stearate, 6kg of zinc stearate, hard 6kg barium ester, 6kg iron oxide red, stir for 5min at 800r / min, add 0.9kg of phenolic resin and stir for 5min at 500r / min, then disperse the slurry with SK20-1 sand mill and pack it into barrels.
Embodiment 3
[0022] Add 200# solvent oil 120kg organic bentonite paste 20kg (manufactured by Shenyang Foundry Materials Research Institute) into the disperser and stir for 5min at a speed of 600r / min, add 6kg of calcium stearate, 6kg of zinc stearate, 6kg of barium stearate, hard Add 5kg of aluminum acetate, 5kg of hydroxyaluminum distearate, and 4kg of red iron oxide into the disperser bucket and stir for 5 minutes at 800r / min, then add 0.5kg of glycerin rosin ester and stir for 5min at 500r / min, and pour the slurry into SK20 The -1 type sand mill further disperses, and the output is loaded into barrels.
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