In this process, granular refractory sand is coated with a mixture of bentonite clay, water and, in some cases, other additives (Fig. 1). The additives help to harden and hold the mold shape to withstand the pres-sures of the molten metal. The green sand mixture is compacted by hand or through mechanical force around a pattern to create a mold. The me-chanical force can be induced by slinging, jolting, squeezing or by impact/impulse.
Cultured Stone is essentially manufactured stone used as a decorative finish for the exterior and interior of your home.It is made up of Portland cement, lightweight natural aggregates and iron oxide pigments.ultured Stone is essentially manufactured stone used as a decorative finish for the exterior and interior of your home.
Granite counters are mined from pure stone. The stone is sawed into slabs or made into tiles and then polished for installation. Quartz countertops are manufactured from crushed quartz that is mixed with pigment for coloration and resin as a binder. The quartz content is typically 92% to 94%. If you want authentic stone countertops, then granite is your only choice here.