This pattern is inherently non-uniform in structure, possesses poor wear and abrasion resistance, cannot withstand rough handling and absorbs and gives off moisture.

The best molding sand and they maintain their shape and characteristics even at high temperatures

A mixture of two or more elements that provide the best mechanical properties for the final cast’s use.

This sand contains many ingredients, like fine sand particles, finely ground refractories, clay, graphite, and fiber reinforcements and in many cases, the clay content may be of the order of 50% or more.