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Specialty Cement, Concrete and Mortar

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About Specialty Cement, Concrete and Mortar

Specialty cement, concrete and mortar contain specialized binders such as K silicate, calcium aluminate, sulfur, and oxysulfate or polymer resins. They cure or set through film drying (air setting), chemical reactions, thermoset bonds, hydraulic bonds, hot melting, and multiple component binder systems. Unlike conventional construction products, specialty concrete is not based on Portland cement. Instead, specialty concrete consists of specialty cement such as potassium silicate that is mixed with water, a coarse aggregate such as gravel or crushed stone, and a fine aggregate or sand. Specialty mortar is a mixture of a specialty binder or clinker and a fine aggregate. Specialty cement, concrete and mortar are used to join components and form structures. Products such as grout and caulk are used to fill gaps between tiles and bricks. Thin set materials such as dry set mortar and dry bond mortar include cement and are used in coating products. Cement-based liners or lining systems are much heavier or are applied in thicker layers than thin set materials. Pre-cast shapes such as blocks and sheets are commonly available.

There are several chemical systems for specialty cement, concrete, and mortar. Bond or binder types include calcium aluminate, phosphate, potassium silicate, slag cement, sulfur cement, and sulfate or gypsum. Polymer modified bonds are also available. For example, acrylic binders provide excellent environmental resistance and fast setting times. Epoxy resins or binders exhibit high strength and low shrinkage during cure. They also offer toughness and resistance to chemical and environmental damage. Furan resins are formed from the polymerization or poly condensation of furfural, furfural alcohol, or other compounds containing a furan ring. They are commonly used in foundry binders, grinding wheels, refractories and other high-temperature applications. Polyurea resins or binders are used in place of phenolics or other formaldehyde resins in particle or fiberboard binder applications. Polyurethane provides excellent flexibility, impact resistance and durability. Other chemical systems for specialty cement, concrete and mortar include silicone, polyester, and vinyl ester.

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Products & Services Related to Specialty Cement, Concrete and Mortar

Polymer Concrete and Mortar
Polymer concrete and polymer mortar are binders, compounds, and aggregate mixtures that use epoxy, polyester, vinyl ester or other polymer resin bonds. They cure or set through chemical reactions, thermoset bonds, and multiple component binder systems.

Other Topics You Might Be Interested In

  • Portland Cement
    Portland cement is the most common bond used in structural concretes and mortars. It is also a basic ingredient of concrete, mortar, stucco and non-specialty grouts. Most Portland cement contains...
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Engineering Web: Specialty Cement Concrete and Mortar

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BFRL Publications - sand
Cement and Concrete Research, Vol. 27, No. 5, 747-760, 1997.
BFRL Publications - temperature
Cement and Concrete Composites, Vol. 28, No. 5, 427-432, May 2006. Advances in Cement and Concrete. Proceedings.
Surface Preparation, Setting Materials, Specialty Mortars,...
Surface Preparation, Setting Materials, Specialty Mortars, Decorative Concrete, Decking Materials - Texas Cement Products
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