Upper explosive limit (UEL definition

Upper explosive limit (UEL means the maximum concentration of a vapour in air (or other oxidant) above which propagation of flame does not occur on contact with an ignition source. This is usually expressed as a volume percentage of vapours in air.
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Upper explosive limit (UEL means the maximum concentration of flammable vapor in air above which propagation of flame does not occur on contact with a source of ignition.
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Upper explosive limit (UEL means the maximum concentration of gas that shall be present in air for an explosion is to occur;
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Examples of Upper explosive limit (UEL in a sentence

  • Soluble in glycerol.Water: 60.3 g/100ml (25 °C) Ethanol: completeEther: complete Acetone: completeLog Pow:-0.17 (Experimental value, 25 °C)Auto-ignition temperature:463 °C (1013 hPa)Decomposition temperature:No data available in the literatureViscosity, kinematic:1.168 mm²/sViscosity, dynamic:1.056 mPa·s (25 °C)Explosion limits:4 – 19.9 vol %Lower explosive limit (LEL): 4 vol % Upper explosive limit (UEL): 19.9 vol %Explosive properties:No data available.Oxidizing properties:No data available.

  • Explosive limitsLower explosive limit (LEL) : 4 vol %Upper explosive limit (UEL) : 77 vol % Vapour pressure [20°C] : Not applicable.Vapour pressure [50°C] : Not applicable.Vapour density : Not applicable.Relative density, liquid (water=1) : Not applicable.Relative density, gas (air=1) : 0.07Water solubility : 1.6 mg/lPartition coefficient n-octanol/water (Log Kow) : Not applicable for inorganic products.

  • Upper explosive limit (UEL) and lower explosive limits (LEL) are given.

  • At a concentration in air lower than the LEL, gas mixtures are "too lean" to burn.• Upper explosive limit (UEL): Highest concentration (percentage) of a gas or a vapor in air capable of producing a flash of fire in presence of an ignition source (arc, flame, heat).

  • Odour threshold : Not available Melting point : Not applicable Freezing point : Not available Boiling point : ≈ 100 °C Flammability : Not applicable Explosive limits : Not available Lower explosive limit (LEL) : Not available Upper explosive limit (UEL) : Not available Flash point : Not available Auto-ignition temperature : Not available Decomposition temperature : Not available pH : Not available Viscosity, kinematic : Not available Solubility : Miscible with water.

  • Physical state Colour Appearance OdourOdour threshold Melling point Freezing point Boiling point Flammability Explosive properties Oxidising properties Explosive limitsLower explosive limit (LEL) Upper explosive limit (UEL) Flash pointAuto-ignition temperature Decomposition temperature pHViscosity, kinematic SolubilityPartition coefficient n-octanol/water (Log Kow) 01/03/2022 (Revision date)LiquidYellow.

  • Biogas composition and hazards (typical composition):• Methane 50-60%o Asphyxiation can occur at 87% due to oxygen deficiencyo Lower explosive limit (LEL) is 5%o Upper explosive limit (UEL) is 15% • Carbon dioxide 38-48%o At concentrations of 11% or above, unconsciousness occurs in a minute.

  • Upper explosive limit (UEL) – Highest concentration that will produce a flash of fire when an ignition source is present Review Question: Define lower explosive limit (LEL) and upper explosive limit (UEL).See page 198 of the manual for answers.

  • Odour threshold : Not available Melting point : Not applicable Freezing point : Not available Boiling point : 500 °C Flammability : Not applicable Explosive limits : Not available Lower explosive limit (LEL) : 0.9 vol % Upper explosive limit (UEL) : 10 vol % Flash point : > 100 °C Auto-ignition temperature : Not available Decomposition temperature : Not available pH : Not available Viscosity, kinematic : 34.5 mm²/s Solubility : Immiscible with water.

  • Explosive limits : Not applicable Lower explosive limit (LEL) : Not applicable Upper explosive limit (UEL) : Not applicable Flash point : Not applicable Auto-ignition temperature : Not applicable Decomposition temperature : Not available pH : Not available pH solution : Not available Viscosity, kinematic : Not applicable Solubility : partly soluble.

Related to Upper explosive limit (UEL

  • Lower explosive limit (LEL) means the concentration of a compound in air below which a flame will not propagate if the mixture is ignited.

  • Flammable liquid means any liquid that has a flash point of seventy degrees Fahrenheit, or less, as determined by a tagliabue or equivalent closed cup test device.

  • Automotive hard paste wax means an automotive wax or polish that is:

  • Copper Loop A stand-alone Local Loop comprised entirely of copper wire or copper cable. Copper Loops include two-wire and four-wire analog voice-grade Copper Loops, digital Copper Loops (e.g., DS0s and Integrated Services Digital Network lines), as well as two-wire and four-wire Copper Loops conditioned to transmit the digital signals needed to provide digital subscriber line services, regardless of whether the Copper Loops are in service or held as spares. A Copper Loop includes attached electronics using Time Division Multiplexing (TDM) technology, but does not include packet, cell or frame switching capabilities.

  • High global warming potential hydrofluorocarbons means any hydrofluorocarbons in a particular end use for which EPA’s Significant New Alternatives Policy (SNAP) program has identified other acceptable alternatives that have lower global warming potential. The SNAP list of alternatives is found at 40 CFR part 82, subpart G, with supplemental tables of alternatives available at (http://www.epa.gov/snap/ ).

  • Automotive windshield washer fluid means any liquid designed for use in a motor vehicle windshield washer system either as an antifreeze or for the purpose of cleaning, washing, or wetting the windshield. Automotive windshield washer fluid does not include fluids placed by the manufacturer in a new vehicle.

  • Recyclable paper bag – means a paper bag that is 100 percent recyclable and contains at least 40% post–consumer recycled content, and displays the words “recyclable” and “made from 40% post-consumer recycled content” in a visible manner on the outside of the bag

  • Hydraulic lift tank means a tank holding hydraulic fluid for a closed-loop mechanical system that uses compressed air or hydraulic fluid to operate lifts, elevators, and other similar devices.

  • Residual disinfectant concentration means the concentration of disinfectant measured in mg/L in a representative sample of water.

  • Flammable means a chemical that falls into one of the following categories:

  • Clean wood means natural wood which has not been painted, varnished or coated with a similar material, has not been pressure treated with preservatives and does not contain resins or glues as in plywood or other composite wood products.

  • Septage means the liquid and solid material pumped from a septic tank, cesspool, or similar domestic sewage treatment system, or from a holding tank, when the system is cleaned or maintained.

  • Automotive Wax, Polish, Sealant or Glaze means a product designed to seal out moisture, increase gloss, or otherwise enhance a motor vehicle’s painted surfaces. “Automotive Wax, Polish, Sealant or Glaze” includes, but is not limited to, products designed for use in autobody repair shops and “drive-through” car washes, as well as products designed for the general public. “Automotive Wax, Polish, Sealant or Glaze” does not include “Automotive Rubbing or Polishing Compounds”, automotive wash and wax products, surfactant-containing car wash products, and products designed for use on unpainted surfaces such as bare metal, chrome, glass, or plastic.

  • Liquid waste means any waste material that is determined to contain "free liquids" as defined by Method 9095 (Paint Filter Liquids Test), as described in "Test Methods for Evaluating Solid Wastes, Physical/Chemical Methods" (EPA Pub. No. SW-846).

  • Maximum contaminant level (MCL) means the maximum permissible level of a contaminant in water which is delivered to any user of a public water system.

  • Clean ballast means the ballast in a tank which since oil was last carried therein, has been so cleaned that effluent therefrom if it were discharged from a ship which is stationary into clean calm water on a clear day would not produce visible traces of oil on the surface of the water or on adjoining shorelines or cause a sludge or emulsion to be deposited beneath the surface of the water or upon adjoining shorelines. If the ballast is discharged through an oil discharge monitoring and control system approved by the Administration, evidence based on such a system to the effect that the oil content of the effluent did not exceed 15 parts per million shall be determinative that the ballast was clean, notwithstanding the presence of visible traces.

  • Combustible liquid means a liquid with a flash point at or above 100 degrees Fahrenheit and below 200 degrees Fahrenheit.

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  • recyclable waste means the waste that is commonly found in the MSW. It is also called as "Dry Waste". These include many kinds of glass, paper, metal, plastic, textiles, electronics goods, etc.

  • high voltage means the classification of an electric component or circuit, if its working voltage is > 60 V and ≤ 1500 V DC or > 30 V and ≤ 1000 V AC root mean square (rms).

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  • Explosive means a chemical compound, device, or mixture: