Specialty Cement, Concrete and Mortar Specifications

Chemical System Type


	Bond / Binder Type:
	Your choices are...
	Calcium Aluminate		Calcium aluminate cements are used in special applications for early strength gain (design strength in one day), resistance to high temperatures, and resistance to sulphates, weak acids, and seawater. Portland cement and calcium aluminate cement combinations have been used to make rapid setting concretes and mortars. Typical applications for calcium aluminate cement concrete include: chemically resistant, heat resistant and corrosion resistant industrial floors, refractory castables, and repair applications. The hydrates responsible for the rapid hardening and early strength gain change over time, resulting in a loss of strength. The conversion process always occurs. With time and particular moisture conditions and temperatures, this conversion causes a 53% decrease in volume of hydrated material. However, this internal volume change occurs without a dramatic alteration of the overall dimensions of a concrete element, resulting in increased paste porosity and decreased compressive strength. The design of durable concrete using this type of cement must therefore be based on long term performance, not on the high but transient strengths that can occur initially. Long-term compressive strengths of 40 MPa are typical for properly designed calcium aluminate cement concrete. Higher strengths can be obtained with limestone coarse aggregate, as compared with some other aggregates, which do not perform as well. For this reason it is recommended that calcium aluminate cement not be used for certain types of construction, such as pre-stressed concrete or other structural applications.
	Phosphate		Magnesium phosphate cement is a rapid setting, early strength gain cement. It is usually used for special applications, such as repair of pavements and concrete structures or for resistance to certain aggressive chemicals. It does not contain Portland cement.
	Polymer Modified		Portland cement modified with polymer additions to improve plasticity, water resistance or allow use cold or freezing weather conditions.
	Polymer Bond		Polymer cements, mortars or concretes are used in corrosion protection applications such as linings or walls in chemical process plants. Polymer cements and mortars are used to bond corrosion resistant tile, brick or other masonry components.
	Portland Cement (CaSiO₃)		Portland cements are based on calcium silicate, CaSiO₃. Portland cement, the fundamental ingredient in concrete, is calcium silicate cement made from a combination of calcium, silicon, aluminum, and iron oxide minerals. Clinker is a fused mineral mixture of limestone, shells or chalk and shale, clay, sand, or iron ore, which is crushed into a fine powder to manufacture Portland cements. Certain grades of cements may contain additions of fine aggregates of fumed silica, fly ash or milled slag as well as chemical additives to improve strength, entrain air, reduce heat generation and cracking, or improve corrosion resistance to sulphates or other chemicals.
	Potassium Silicate		Silicates are commonly used as binders or bond raw materials in corrosion resistant lining, foundry, refractory and grinding wheel applications.
	Slag Cement		Slag cement uses ground granulated blast-furnace slag (GGBFS) to replace a portion of the Portland cement in a concrete mixture. This creates a more consistent mix. Slag cements fall under the category of blended hydraulic cements with two types: Type S-slag cement and Type I (SM)-slag modified Portland cement. The blast-furnace slag content of Type S is between 25 percent and 70 percent by mass. Type S contains at least 70 percent slag by mass.
	Sulfur Cement		Sulfur cement melts at temperatures between 113°C and 121°C. Sulfur concrete is maintained at temperatures around 130°C during mixing and placing. The material gains strength quickly as it cools and is resistant to acids and aggressive chemicals. Sulfur cement does not contain Portland or hydraulic cement.
	Sulfate / Gypsum		Cement or binder based on a sulphate, oxysulfate or gypsum bond system. Plaster of Paris based materials use a calcium sulphate bond.
	Other		Other unlisted, specialty or proprietary chemical bond system.
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	Polymer Bond / Modifier:
	Your choices are...
	Acrylate		Acrylic binders are known for excellent environmental resistance and fast-setting time compared to other resin systems. Polymerizing acrylic or methylacrylic acids through a reaction with a suitable catalyst makes acrylic binders. They cure through a free radical mechanism. While they are usually supplied in two-component form, they do not typically require mixing. The catalyst, accelerator or hardener can be applied to one surface and the acrylic resin to the other surface. These adhesives or sealants are called two-step systems. Sufficient diffusion will occur when the surface are adjoined to complete curing of the adhesive. Acrylic binders are available in both of emulsion and solvent based versions.
	Epoxy		Epoxy resins or binders exhibit high strength and low shrinkage during cure. Epoxies are known for their toughness and resistance to chemical and environmental damage. Most epoxies are two-part systems cured at room temperature. Some thermally cured or thermoset one-part epoxies are also available. Depending on the formulation, epoxy resins are used as potting agents, resin binders or laminating resins in fiberglass or composite construction, electrical conductors in microelectronic packaging and various structural bonding applications.
	Furan		Thermosetting resins or binders in which the furan ring is an integral part of the polymer chain. Furan resins are made by the polymerization or poly condensation of furfural, furfural alcohol, or other compounds containing a furan ring, or by the reaction of these furan compounds with other compounds (not over 50%). Fire-retardant furans are used in hand lay-up, spray-up and filament winding operations. Furans are commonly used in foundry binders, polymer concrete or mortar binders, grinding wheels, refractories and other high temperature applications. Furan resins and chemicals are also used in fiberglass composites, hybrid resins with epoxy or phenolic, and in corrosion resistant cements.
	Phenolic / Formaldehyde		Thermosetting resin binders based on the phenol formaldehyde or other formaldehyde system.
	Polyester		Thermosetting resin binders based on the polyester or alkyd system.
	Polyurea		Polyurea resins or binders are formed through the reaction of an isocyanate component with amine compounds. Polyurea resins used as a replacement for phenolics or other formaldehyde resins in particle or fiberboard binder applications. Diisocyanates react with diamines to yield polyureas. The reaction is very fast and results in a strong polymer, popular for coatings applications.
	Polyurethane		Polyurethane resins or binders provide excellent flexibility, impact resistance and durability. They are available in one or two-part adhesive systems. Polyurethanes are formed through the reaction of an isocyanate component with polyols or other active hydroxyl group compounds. Polyurethanes bond well to plastic surfaces and make an excellent flexible potting compound. Polyurethanes require a catalyst, heat or air evaporation to initiate and complete curing. Some disadvantages of polyurethanes are their short shelf life due to hydroscopic (water absorption) tendencies and their generally slower cure combined with more complicated handling and curing procedures.
	Silicone		Resin binder based on silicone bond system. Silicone a produced through the hydrolysis and polymerization of silanes and siloxanes.
	Vinyl Ester		Resin binders based on the vinyl ester system.
	Other		Other unlisted, specialty or proprietary polymer bond or modifier system.
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Applications & Features



	Your choices are...
	Abrasion Resistant / Wear Protection		The material is resistant to damage by abrasion.
	Castable		The adhesive can be cast or poured to bond surfaces or encapsulate components.
	Chemical Resistant / Corrosion Protection		The material is resistant to damage from acids, alkalis, general chemicals and oils.
	Construction / Structural		Structural mortars, concretes or cements designed for load bearing applications in buildings or construction.
	Electrical Power / HV		Cement products suitable for electrical power or high voltage insulation applications with generator or motor assemblies, coils or transformers, porcelain post insulators, switches and circuit breakers.
	Encapsulant / Potting		Encapsulants or potting compounds are used to encapsulate or fill a container of components or electronic devices with an adhesive to provide environmental protection and electrical insulation. Ceramic cement based potting compounds are useful for high temperature applications requiring electrical insulation and heat resistance.
	ESD / Conductive		Conductive concrete or specialty cement product designed for electrostatic discharge (ESD) flooring or other applications requiring electrical conductivity.
	Fiber Reinforced		Product filled with chopped fibers to improve strength, reduce cracking and/or modify stiffness.
	Flooring / Wall Systems		Mortar, concrete or specialty cement product designed for flooring or wall construction, coating or lining.
	Gunning / Shotcrete (e.g., Gunnite)		Gunning mixes are cements or powdered products that are loaded with a gun into a form or onto a wall to fashion a cement wall or layer. Dry or wet gunning mixes are available.
	Repair Filler / Resurfacing		Cement, mortar or concrete suitable for repair, hole or gap filling, patching, refinishing and other resurfacing applications.
	Sealant / Sealing		Cement based materials designed for sealing or containment applications. Liquid and viscous compounds can be used to fill gaps between seams or on surfaces to contain fluids, prevent leaks, and prevent infiltration of unwanted material.
	Sprayable		Adhesive designed for application by spraying or atomizing a liquid cement product and projecting the droplet onto a surface using a spray gun.
	Trowel On / Wet Ram		Mortars, patching compounds and finishing cements that have good troweling, plastering or palming characteristics to fill cracks. Wet rams are cements with enough plasticity to allow the wet mix to be rammed or formed into place in or in a form. Ramming material has clay or putty like consistency. Rams generally have lower water content and less plasticity than moldables. Both dry rams (vibratables) and wet mix rams are available.
	Waterproof		Waterproof mortars, concretes or cements are not affected by exposure to water or submersion under water.
	Other		Other unlisted features.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

Mechanical Properties


	Compressive Strength:		The crushing or compressive strength is the maximum compressive load per unit cross-section that a cement or concrete body can withstand before mechanical failure or breakage occurs.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

	MOR / Flexural Strength:		Modulus of rupture (MOR), cross-break strength or flexural strength (3-point or 4-point) is the maximum flexural stress a bar can withstand before failure or fracture occurs. Two points underneath the bar support the bar and one or two points above the bar apply the load. Cross break strength is used to evaluate the strength of ceramics or other materials that do not provide sufficient plastic deformation to reliably tensile test.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

	Bond Strength:		Bond strength or adhesion of the mortar, cement coating or cement product to brick, walls, flooring or other structures. Bond tests are typically performed according to test procedure ASTM, ISO or other OEM proprietary standards.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

	Tensile Strength:		Tensile strength at break is the maximum amount of stress required to fail or break the material under tension loading test conditions. Tensile tests are typically performed according to test procedure ASTM, ISO or other OEM proprietary standards.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

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