Alcohol-based foundry coating with abrasive resistance and fabrication method thereof
A technology for casting coatings and manufacturing methods, applied in casting molding equipment, coatings, molds, etc., can solve the problems of low hardness, weak sand resistance, poor suspension stability, etc., and achieve good surface finish and improve wear resistance. The effect of strong energy and anti-stick sand
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[0014] The wear-resistant alcohol-based casting coating is characterized in that it is made of the following raw materials in parts by weight: yellow dextrin 1.6, magnesium chloride 0.4, lithium-based bentonite 1, kaolin 45, zircon 34, carboxylate Sodium methylcellulose 2, zinc dithiophosphate 0.2, triphenyl phosphite 1.1, white latex 1.2, shell 9, phenolic resin 3, hexamethylenetetramine 2, ethanol 56, additive 3.
[0015] The auxiliary agent is made of the following raw materials in parts by weight: pig bone 27, rectorite 42, metakaolin 85, silica fume 30, silane coupling agent KH-5702, silica sol 0.4, nanometer silicon carbide powder 1, nanometer four Ferric oxide 1.2, angelica powder 1.2, sodium carboxymethyl starch 0.4, carboxymethyl cellulose 4, appropriate amount of water, the preparation method is to put pig bone, rectorite and metakaolin in a calciner at 560-680°C Calcined at low temperature for 2-3 hours, took it out, soaked it in 8-12% hydrochloric acid solution for...
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