The ceramic sprue tube for foundry has advantages of its high refractoriness, anti-scouring, light-weight and practical, easy-cutting and convenient for using, cost-saving and improving cast quality.
The product is suitable for resin sand, sodium silicate sand, precoated sand, and some other formative technology. It is used for casting high manganese steel, alloy steel, stainless steel, carbon steel, high chromium cast iron, ductile iron, grey iron castings, etc.
The appearance requirement and dimension allowable deviation for the ceramic sprue tube
|Item||Index error (mm)|
|Inner diameter||﹤50||Dimensional tolerance||±2|
|Inner diameter﹤ф50||Ovality deviation||±2|
|melting hole||Non-critical area diameter||﹤5|
Physical and Chemical Index of the HuaGuang’s Ceramic Sprue components
|Item||Proportion of Al2O3
|0.2Mpa Refractoriness Under Load
|linear change on reheating
|Show Porosity %||Cold Crushing Strength
|Anti-Erosion Properties mm|
Special technical requirements shall be determined by both parties.