Industrial Greases Specifications

Composition / Chemistry


	Chemistry / Constituents:
	Your choices are...
	Petroleum / Mineral Oil		Products contain petroleum or mineral oil constituents such as fluids and greases. Straight oils are mineral or petroleum oils that do not have added water.
	Synthetic / Semi-synthetic		Fluids or greases are based on synthetic compounds such as silicone, polyglycol, esters, diesters, chlorofluorocarbons (CFCs) and mixtures of synthetic fluids and water. Synthetic fluids tend to have the highest fire resistance and cost. Synthetic fluids contain no petroleum or mineral oil base, but are instead formulated from alkaline organic and inorganic compounds along with additives for corrosion inhibition. They are generally used in a diluted form with concentrations ranging from 3% to 10%. Synthetic fluids often provide the best cooling performance among all cutting fluids. Semi-synthetic fluids are essentially combination of synthetic and soluble petroleum or mineral oil fluids. The characteristics, cost and heat transfer performance of semi-synthetic fluids fall between those of synthetic and soluble oil fluids. Some synthetics such as phosphate esters react or dissolve paint, pipe thread compounds and electrical insulation.
	Silicone		Products contain silicone-based greases, oils, or fluids. Silicone fluids are synthetic and provide outstanding thermal and dielectric properties.
	Polyglycol / Water-Glycol		Polyglycol, glycol and water-glycol fluids are synthetics often used for anti-freeze circulating coolant and high water content fluid (HWCF) hydraulic applications. Water-glycol solutions tend to have higher viscosity index values than other compositions. Zinc, cadmium and magnesium react with water-glycol solutions and should not be used in fluid or coolant systems that contain water-glycol fluids.
	Ester / Diester		Fluids are based upon phosphate ester, dibasic ester, polyol ester, silicate ester or diester compounds. Phosphate esters and other synthetic fluids tend to have the highest fire resistance and cost. They are generally used in a diluted form with concentrations from 3% to 10%. Synthetic fluids often provide the best cooling performance among all cutting fluids. Semi-synthetic fluids are combinations of synthetic and soluble petroleum or mineral oil fluids. The characteristics, cost and heat transfer performance of semi-synthetic fluids falls between those of synthetic and soluble oil fluids. Some synthetics such as phosphate esters react or dissolve paint, pipe thread compounds and electrical insulation.
	CFC / Chlorofluorocarbon		Fluids are based on halogenated (fluorinated and/or chlorinated) hydrocarbons. Chlorofluorcarbon (CFC), halogenated fluorocarbon (HFC), halogenated chlorofluorocarbon (HCFC), and perfluorocarbon (PFC) fluids are included in this group.
	Boron Nitride (BN)		Boron nitride (hexagonal BN, "white graphite") is a solid lubricant based on compounds of boron and nitrogen. Boron nitride maintains a low coefficient of friction up to 600°C (1112°F). Like flake graphite lubricants, boron nitride has a hexagonal crystal structure that cleaves or shears easily, resulting in good lubricating properties even at high temperatures. Boron nitride is available in various forms such as powders, sprayable coatings (release agents), or solid machinable shapes. Characteristics of boron nitride lubricants include: High lubricity with low wear Maintains lubricity (low friction coefficient) at high temperatures (compared to graphite, MoS₂ or talc) High thermal conductivity Electrically insulating (dielectric constant ~4); graphite is conductive Low thermal expansion Easily colorable Chemically inert
	Fluoropolymer / PTFE (e.g., Teflon®)		Fluoropolymer solid lubricants include polytetrafluoroethylene (PTFE) and are available in various forms such as powder for dispersion into other fluids or liquid lubricants, sprayable coatings, or solid machinable shapes (e.g., sheets, films, tubes). Teflon®, a registered trademark of DuPont, consists of PTFE.
	Graphite		Hexagonal or flake graphite is a solid lubricant material that maintains a low coefficient of friction up to 400° C (752° F). Hexagonal or flake graphite has a weak, platelet structure that flakes, shears or wears away quickly, providing a lubricating action. Hexagonal graphite lubricants are available in various forms such as powder for dispersion into other fluids or liquid lubricants, sprayable coatings, or solid machinable shapes.
	Molybdenum / Metal Sulphide		Molybdenum disulfide (MoS₂) is a solid lubricant that maintains a low coefficient of friction up to 400° C (752° F). MoS₂ solid lubricants are available in various forms such as powder for dispersion into other fluids or liquid lubricants, sprayable coatings, or solid machinable shapes (e.g., sheets, films, tubes).
	Natural (Vegetable Oil / Animal Fat)		Fluids, lubricants or greases are based on natural vegetable or plant oils or animal fats. Vegetable and plant-based products such as soybean oils are a renewable resource and an attractive alternative to mineral oils and synthetic fluids. Some natural oils pose fewer risks to workers and have a reduced environmental impact.
	Soap Complex (Na / Ca)		Products contain a sodium or calcium soap complex thickener or complexing agent. Soap thickeners are mixed with oils to produce greases or high viscosity lubricants by increasing the dropping point, the temperature at which a grease becomes soft enough to form a drop and fall from the orifice of the test apparatus described in ASTM D566 (IP 132) and ASTM D 2265. Complex soaps can be metallic (Na or Ca), stearate or oleate. Grease soap thickeners often occur in fibrous form. Usually, soap crystals or fibers are formed by the reaction and co-crystallization of two or more compounds such as fatty acids, fats, or esters, generally with an alkali. Typically, microscopic soap-thickener fibers are used, resulting in grease with a smooth appearance. If the soap fiber bundles are large enough to be visible, the grease appears fibrous. Although the most common fibrous grease contains sodium soap thickener, not all sodium base greases are fibrous.
	Lithium Complex		Products contain a lithium soap complex thickener. Soap thickeners are mixed with oils to produce greases or high viscosity lubricants.
	Aluminum Complex		Products contain an aluminum soap complex thickener. Soap thickeners are mixed with oils to produce greases or high viscosity lubricants.
	Water Soluble / Emulsion		Water-soluble and emulsion fluids have a high dilution or very low concentration and include high water content fluids (HWCF). Soluble oil fluids form an emulsion when mixed with water. The concentrate consists of a base mineral oil and emulsifiers to help produce a stable emulsion. They are used in a diluted form with concentrations ranging from 3% to 10%. They provide good lubrication and heat transfer performance. They are used widely in industry and are the least expensive among all cutting fluids. Water-soluble fluids are used as water-in-oil emulsions or oil-water-emulsions. Water-in-oil emulsions have a continuous phase of oil and superior lubricating and friction reduction qualities (i.e., metal forming and drawing). Oil-in-water emulsions consist of droplets of oil in a continuous water phase and have better cooling characteristics (i.e., metal cutting fluids and grinding coolants).
	Wax / Stearate		Wax, paraffin or stearate compounds are useful as lubrication, anti-corrosive and anti-static applications.
	Specialty / Other		Other unlisted or specialized chemistry.
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Properties


	Thermal Conductivity:		Thermal conductivity is a measure of a fluid's ability to transfer heat.
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	Dielectric Strength:		Dielectric strength is the maximum voltage field that a material can withstand before electrical breakdown occurs.
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	Flash Point:		Flash point is the lowest temperature at which a liquid can give off sufficient vapors to form an ignitable mixture in air near the surface of the liquid. The lower the flash point, the easier it is to ignite the material. The U.S. Occupational Health and Safety Administration (OSHA) defines a flammable liquid as "any liquid having a flash point below 100° F (37.8° C), except any mixture having components with flash points of 100° F (37.8° C) or higher, the total of which make up 99 percent or more of the total volume of the mixture. Flammable liquids shall be known as Class I liquids." Fire point and autogenous ignition (AIT) are additional properties to consider in applications requiring fire resistant fluids. Fire point is the lowest temperature at which a liquid can give off sufficient vapors to form a mixture in air that continuously supports combustion after ignition near the surface of the liquid. Autogenous ignition (AIT) is the temperature at which ignition occurs spontaneously.
	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.

	Operating / Use Temperature:		The operating temperature range for the fluid, oil, grease or lubricant.
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	Boiling Point:		Boiling point is the temperature at which a fluid boils.
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	Density / Specific Gravity (@15.6°C, 60°F):		Specific gravity is density normalized to water or another standard. Density is the mass per unit volume of a material.
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	Kinematic Viscosity (@ 40°C):		Kinematic viscosity is the time required for a fixed amount of fluid or oil to flow through a capillary tube under the force of gravity. Units of kinematic viscosity are stoke, centistoke (1/100 of a stoke) and Saybolt Universal Seconds (SUS). Saybolt Universal Seconds or Saybolt Universal Viscosity (SUV) is the time in seconds required for 60 cubic centimeters of a fluid to flow through the orifice of the standard Saybolt universal viscometer at a given temperature under specified conditions, usually per ASTM D 88. Kinematic viscosity is also described as the quotient of the absolute viscosity in centipoises divided by the specific gravity of a fluid where both are measured at the same temperature.
	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.

Applications & Features


	Applications
	Your choices are...
	Aerospace		Products are designed or suitable for aerospace or aircraft applications.
	Automotive / Transportation		Products are designed or suitable for automotive or transportation applications.
	Bearings		Products are designed or suitable for bearing lubrication applications.
	Combustion Engines		Products are designed or suitable for combustion engine applications.
	Compressors / Piston Pumps		Products are designed or suitable for compressor or piston pump applications.
	Food Contact / FDA		Products are FDA approved or designed and suitable for lubrication applications in processing equipment where contact with food, beverages or pharmaceuticals may occur.
	Machine / Gears		Products such as gear lube or spindle oils are designed or suitable for machinery, gears, gearing, ways, or final drives.
	Marine		Products are designed or suitable for marine, ship, dockyard or boat applications.
	MIL-SPEC / Military		Products are designed or suitable for MIL-SPEC or military applications.
	Process Equipment		Products are designed or suitable for process equipment applications.
	Specialty		Other unlisted, proprietary or specialty features, applications or functions.
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	Features
	Your choices are...
	Biodegradable		Products are designed or suitable to decompose or break down into harmless chemicals when released into the environment.
	Corrosion Inhibiting / Rust Preventative		Lubricants, greases, coolants, heater oils or fluids have corrosion inhibiting or rust preventative additives. Corrosion inhibitors in a coolant or heat transfer fluid prevent internal surfaces from corroding by inhibiting corrosive compounds in the water used to dilute the fluid. Rust preventative oils, greases or fluid products leave a film that physically prevents water or corrosive chemicals from reaching a metal surface.
	EP (Extreme Pressure / Active)		Extra pressure (EP) additives include chemically active agents such as sulfur, phosphorous, or chlorinated compounds that are reactive and form a film to prevent seizure, sticking or surface adhesion under loads causing high pressure conditions.
	Fire Resistant		Fire resistant fluids do not ignite or are difficult to ignite or combust under typical service conditions. Fire resistant fluids have high flash point, fire point and auto-ignition (AIT) temperatures. Flash point is the lowest temperature at which a liquid can give off sufficient vapors to form an ignitable mixture in air near the surface of the liquid. The lower the flash point, the easier it is to ignite the material. Fire point is the lowest temperature at which a liquid can give off sufficient vapors to form a mixture in air that supports continuous combustion after ignition near the surface of the liquid. Autogenous ignition (AIT) is the temperature at which ignition occurs spontaneously. Three common types of fire-resistant fluids are: High water content fluids (HWCF) such as water-petroleum oil emulsions or water-synthetic emulsions in which the water prevents burning of the petroleum or synthetic constituent. Water-glycol fluids Synthetic anhydrous (non-aqueous) fluids of low volatility, such as phosphate esters, polyol esters, silicones, and halogenated hydrocarbon based fluids. Heat and pressure are prevalent in many industrial processes and create the need for fire resistant hydraulic fluids and thermal fluids in industry. When flame or heat is in close proximity to hydraulic equipment, a ruptured hydraulic line or fitting can release a combustible spray of hydraulic oils or fluids onto an open source of ignition such as the hot surface of an exhaust manifold.
	Low / Non-foaming		Fluids do not produce foam or produce only small amounts of foam. Non-foaming characteristics are achieved through the use of additives that break out entrained air. Leaks can introduce air into systems for circulating hydraulic fluid, thermal oil, or grinding coolant. Entrained air can cause pump damage due to cavitation. Foaming can also reduce the cooling ability and the bulk modulus (or stiffness) of the fluid.
	Microbe Inhibiting / Biocide		Lubricants, greases, coolants, heater oils or fluids have an inherent composition or biocide additives that inhibit the growth of bacteria, fungus, or other microbes. Without biological growth inhibition, water emulsions or water-based fluids can develop a strong odor under certain conditions. Biocides or antimicrobial pesticides are chemical agents used to kill microbiological organisms such as bacteria or fungi in fluids.
	Oxidation Inhibiting		Lubricants, greases, coolants, heater oils or fluids have oxidation inhibiting additives or an inherently oxidation resistant composition.
	Passivator / Metal Deactivator		Lubricants, greases, coolants, heater oils or fluids have passivating or metal deactivating additives. Passivators or deactivators in coolant, lubricant, metalworking, or heat transfer fluids passivate internal or machined surfaces.
	Release Agent		Films form lubricating oils, solid lubricants, waxes or fluids that prevent other materials from sticking or adhering to an underlying surface. Unlike permanent non-stick coatings, release agents typically require replenishment. Some mold releases fall into this category.
	Sealing / Barrier		Products are designed for or providing sealing or barrier functions.
	Shock / Vibration Dampening		Products are designed for providing shock or vibration dampening functions. High viscosity gels, greases, paste and fluids can provide a dampening action.
	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.

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