Hardening agent for investment casting
An investment casting and hardening agent technology, which is applied to casting molding equipment, casting molds, manufacturing tools, etc., can solve problems such as harsh working conditions, human and environmental hazards, and high viscosity of hardening liquid, so as to reduce the labor intensity of workers , Improve the yield of production, the effect of strong penetration hardening ability
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[0009] Example 1
[0010] Mix 28 parts of polyaluminum chloride, 13 parts of crystalline magnesium chloride and 12 parts of ammonium chloride, directly add them to the hardener tank to dissolve, and then add 0.8 parts by weight of fatty alcohol polyoxyethylene ether and stir evenly to obtain .
[0011] The measured intensity at room temperature is 2.12 Mpa, the high temperature intensity is 1.30 Mpa, and the residual intensity is 1.46 Mpa.
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[0012] Example 2
[0013] Mix 20 parts of polyaluminum chloride, 10 parts of crystalline magnesium chloride and 15 parts of ammonium chloride, directly add them to the hardener tank to dissolve, and then add 0.3 parts by weight of fatty alcohol polyoxyethylene ether and stir well to obtain .
[0014] The measured intensity at room temperature is 1.90 Mpa, the high temperature intensity is 1.15 Mpa, and the residual intensity is 1.31 Mpa.
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