High-cost performance alcohol-based foundry coating and preparation method thereof
A technology for casting coatings and manufacturing methods, which is applied to casting molding equipment, coatings, casting molds, etc., can solve problems such as weak sand-sticking resistance, poor suspension stability, and inability to meet large-scale industrial production, and achieve high cost performance. Good suspension effect
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[0014] The cost-effective alcohol-based casting coating is characterized in that it is made of the following raw materials in parts by weight: emery 79, silica gel powder 2.3, asbestos powder 4.1, embossed clay 5, E12 epoxy resin 1.2, phenolic resin 2.4. Polybenzimidazole fiber 1, coconut acid diethanolamide 0.4, styrene-butadiene rubber 0.7, shrimp shell 12, linseed meal 11, rosin 1, ethanol 145, additive 2.
[0015] The auxiliary agent is made of the following raw materials in parts by weight: shrimp shell 11, pearl mica 78, hydrotalcite 57, sodium tripolyphosphate 0.14, organic bentonite 1, thymol 0.2, dimethyl silicone oil 2, propylene glycol methyl ether acetic acid Ester 0.3, nano silicon dioxide 1.1, iron oxide powder 3, polyethylene oxide 2.3, brown sugar 1.5, appropriate amount of water, the preparation method is: put shrimp shells, pearl mica, and hydrotalcite in a calciner at 540-670°C Calcinate for 2-3 hours, take it out, soak it in 8-12% hydrochloric acid solution...
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