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SOY CHEMICALS FOR PAPER PROCESSING - Soy New Uses

SOY CHEMICALS FOR PAPER PROCESSING - Soy New Uses

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APPENDIX IRef: Handbook for Pulp & Paper Technologists, Gary A, Smook, 3rd EditionPRINTING GRADES<strong>New</strong>sprint - Machine finished paper composed mainly of mechanical pulp, commonly used forprinting newspapers.Catalog - Basically lightweight newsprint, but usually contains fillers.Rotogravure - Usually refers to uncoated newsprint type sheet that is highly finished.Publication - Supercalendered and coated magazine papers. Raw stock is composed mainly ofmechanical pulps but the best grades use chemical pulp.Banknote, Document - High-grade permanent paper usually made from rag furnish.Bible - Lightweight, heavily loaded paper made from rag or chemical pulp furnish.Bond, Ledger - High quality paper used for letterheads and records. Furnish is either rag orchemical pulp.Stationery - Relatively soft and bulky paper of good appearance. Furnish is usually chemicalpulp, but highest quality uses rag.INDUSTRIAL GRADES/ Packaging. Thicker than .3 mmRag - High strength paper usually made from highly refined unbleached softwood kraft.Linerboard - Lightweight board commonly used as the liners for corrugated board. Also usedfor wrapping paper. Formed from high yield, unbleached kraft with a better quality top layerfor printing.Corrugating Medium - Used for the fluted inner plies of corrugated board. Usually preparedfrom high-yield semi-chemical hardwood pulp at nine point thickness.Construction Paper - <strong>New</strong>sprint type sheet produced at higher grammage and bulk typicallyused for kindergarten cutouts and artwork.Greaseproof - Dense, nonporous paper made from highly refined sulfite pulp.Glassine - Produced from greaseproof paper stock by dampening and heavy pressure duringsubsequent supercalendering. This glossy transparent sheet is used for special protectivewrappings and is converted to wax paper.TISSUESSanitary Tissues - This classification includes facial and toilet tissues, sanitary products andtable napkins. The primary feature is softness and absorbency.Condenser Tissue - Lightweight, well formed tissue (5g/m) made from highly refined kraft, usedas capacitor dielectric. Basically the same product is used as raw stock for carbonizing gradesand tea bags (with wet strength treatment).Toweling - Creped absorbent paper usually made from lightly refined kraft with the addition ofmechanical pulp. Fast absorbency and water holding capacity are prime requisites. Sometimestreated with wet strength resins to prevent disintegration during use.Wrapping Tissue - This designation covers a variety of tissues made for wrapping and packagingmerchandise. The general requirements are strength, good formation and cleanliness.Grammage is in the 16-28 g/m range.38

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