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E |
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ECF |
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Elemental Chlorine Free - papermaking pulp bleached without the use of elemental chlorine. ECF bleaching process uses chlorine dioxide in combination with oxygen, hydrogen peroxide, and sodium hydroxide. |
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ECF Paper |
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Paper made with ECF wood pulps. |
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Eco-Label |
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A label granted to products that pollute the environment less than similar products used for the same purpose. |
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Edge Chains |
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Extra chain lines running on the outer edge of short sides of the mould for extra strength. |
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Edge Crush Test |
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A test to evaluate the compression strength of containerboard used to manufacture corrugated shipping boxes. |
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Edge Protectors |
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A heavy board used to protect the ends of rolls during shipment and storing. |
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EF |
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English Finish - A finish between machine-finished and supercalendered papers. |
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Effluent |
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The liquid waste of industrial processing. Effluents of the papermaking process usually include a small amount of suspend solids and dissolved chemicals. |
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Effluent Treatment |
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Effluent treatment usually consists of two processes: 1) Primary treatment process removes suspended solids from effluent. 2) Secondary treatment process reduces the biochemical oxygen demand (BOD) and toxicity of effluent. |
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Eggshell Finish |
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A relatively rough finish of paper surface that resembles an eggshell achieved by bypassing the calendering process. A special felt is used to mark the surface before the paper is dried. |
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Elastic Strength |
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The ability of paper or paperboard to resist stress acting in the plane of the sample. |
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Electronic Proof |
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A process of generating a prepress proof in which paper is electronically exposed to the color separation negatives. The paper is passed through the electrically charged pigmented toners resulting in the finished proof. |
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Electrostatic Copy Paper |
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A smooth-finished and medium-weight bond paper made from chemical pulps. This paper is generally treated with a zinc-oxide coating material. |
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Electrostatic Precipitator |
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Equipment used to clean up flue and process gases. Removes 99.5-99.8% of dust particles emitted from recovery boilers, lime kilns and bark-fired boilers |
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Elliptical Dot |
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Halftone screens in which the dots are actually elongated to produce improved middle tones. |
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Elmendorf Tear Test |
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A test to determine a paper’s resistance to tearing. |
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Embossed Finish |
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Paper with a raised or depressed surface resembling cloth, leather, wood, or other patterns. |
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Embossing |
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A method of paper finishing whereby a pattern is pressed into the paper. Produced on a special embossing machine after the paper has dried to create finishes such as linen. |
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Emission |
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Discharge of polluting substances to air, land, or water. |
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Emulsification |
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The mixing of two distinct solutions that do not mix such as a fountain solution, which is water-based and ink which is oil based. |
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Emulsion Coating |
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Coating of paper with an emulsion containing plastic or resin. |
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Enamel |
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A term that describes a glossy coating on paper. Also, a general term for clay coating on papers. |