AQUEOUS NONSTICK PASTE FOR MOLDS AND MOLD CORES

AQUEOUS NONSTICK PASTE FOR MOLDS AND MOLD CORES

foundry. SUBSTANCE: paste coating includes, wt.%: ground talc, 15.0-54.9; concentrated kaoline, 6.0-45.9; aerosil, 0.3-0.5; polyvinylacetate dispersion, 4.2-4.9; concentrate of sulfite-yeast liquor, 1.7-2.1; formalin, 0.07; or CuSO4, 0.08; water, the balance. Introduction of concentrated kaolin comp...

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Bibliographische Detailangaben
Hauptverfasser: SKALKINA N.M, GRISHCHENKO A.V, NIKOLAEV V.G, TRINDJUK L.M, SMETANINA L.A, SEMIZOROV M.F, KOZHEMET'EV A.P, DEGTJAREV V.P, VASIL'EV N.I, SUKHORUCHKIN JU.P, KARPOV S.V, MAJOROV F.I
Format: Patent
Sprache:eng
Schlagworte:
CASTING
FOUNDRY MOULDING
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
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Beschreibung
Zusammenfassung:foundry. SUBSTANCE: paste coating includes, wt.%: ground talc, 15.0-54.9; concentrated kaoline, 6.0-45.9; aerosil, 0.3-0.5; polyvinylacetate dispersion, 4.2-4.9; concentrate of sulfite-yeast liquor, 1.7-2.1; formalin, 0.07; or CuSO4, 0.08; water, the balance. Introduction of concentrated kaolin composition into paste promotes increase of surface strength and refractoriness of coating, and assists in withdrawal of mold cores and castings. EFFECT: higher efficiency. 2 tbl