Sand

Sand

View our brochure of offered sand solutions: Link

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Specially selected chromite sand provides an elevated point of sintering and high thermal conductivity ideal in the preparation of molds and hot spot castings. Unlike badly washed or low-purity chromite sands that can lead to poor hardening in resin molds and notable defects, our LCM chromite sand is subjected to strict checks on site and before shipment. Plus, a detailed analysis report is provided with each order to guarantee we’re meeting your exact requirements.

A high-purity quartz (SiO2) sand deposited by natural processes is used as glass sand, foundry sand, abrasives, fillers, and hydraulic fracturing (frac) sand. Asbury offers high-quality silica sand to reduce the chance of impurities, withstanding high temperatures, mold shaping, release of gases, and support the metal weight, yet be of a fine enough texture to result in a smooth casting.

Used widely in steel foundries with particularly high smelting temperatures, as well as in refractory and ceramic production, zircon is a highly refractory sand made with 99% zirconium silicate. This sand is generally used as a skeleton for special mixtures, used where the steel cast is subjected to liquid metal thermal stress and can find use as an organic and inorganic binder.

This silica-free and unique form of spherical carbon is an excellent alternative to costly specialty sands for challenging applications. With no melting point, carbon sand will not sublimate or fuse at any temperature. It helps eliminate veining and scabbing, promotes reducing atmosphere in the mold and is excellent for casting large flat sections of iron with ½ inch or greater thickness. Non-abrasive, it offers good heat transfer and is reused in certain metallurgical systems.

CarboRay™ is a polymorph of calcium carbonate that offers structural advantages over traditional calcium carbonate on the market today. Its orthorhombic crystal structure promotes an increased hardness, zeta potential, specific gravity, and is over 99% acid soluble in 15% HCl at room temperature. The distinctive oolitic structure in raw form gives the material its unique properties.

CarboRay™ oolitic aragonite material is perfect for use in the oil, gas, and pipeline industry, as well as being used in plastics and polymers, glass manufacturing, agriculture, and others. CarboRay™ is considered an ecofriendly material, capturing CO2 out of the atmosphere in its formation, while naturally replenishing in the shallow water ecosystem around The Bahamas.  The process of harvesting this bio based material is done with an eye towards environmental responsibility and sustainability with strict approval of local authorities.