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Double-layer refractory mix on homemade foundry ... probably be heavier in perlite and sand/cement with maybe 30% ... Sand and fireclay (and refractory ...
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Feldspathic silica sands which can be used in place of grog in clay bodies to add texture and strength.
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Refractory - Wikipedia, the free encyclopedia. A refractory material is one that retains its strength at high temperatures. ASTM C71 defines refractories as "non ...
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M/G vs. Z: Comparing refractory coatings on shell sand systems. Modern Casting, 94(10), 28-30. M/G vs. Z : Comparing refractory coatings on shell sand systems ...
SAND, SAND ADDITIVES and SAND… pdf. Page 30 ... Chromite (FeCr2O4), a black, angular sand, is highly refractory and chemically unreactive, and it has good thermal ...
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