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Top Ww Gum Rosin /Colophony /Colophonium Forest Chemical Yellow Natural Gum Rosin1
Rosin Forest ChemicalGum RosinColophony
Chengdu Dova New Material Co., Ltd.
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Product Description Dova RS301Gum Rosin (WW) Product DescriptionDova RS301 also called colophony or Greek pitch (Latin: pix gr?ca), is a solid form of resin obtained from pines and some other plants, mostly conifers, produced by heating fresh liquid resin to vaporize the volatile liquid terpene components. It is semi-transparent and varies in color from yellow to black. At room temperature rosin is brittle, but it melts at stove-top temperature. It chiefly consists ofvarious resin acids, especially abietic acid.BenefitsDova RS301 is with high purity,WW grade. It is a good transparency with its new steam process. Dova RS301 is high acid value. Dova RS301is fine yellowish.SpecificationsCharacteristicsUnitStandard RequestTest MethodAppearance/TransparentGB/T8145-8146-2003Softening point(R&B)°C76 MinGB/T8145-8146-2003Acid value% (w/w)166MinGB/T8145-8146-2003Unsaponifiables% (w/w)5 MaxGB/T8145-8146-2003Alcohol-insoluble residue% (w/w)0.03 MaxGB/T8145-8146-2003Ash% (w/w)0.02MaxGB/T8145-8146-20031) Delivery specification: The product is monitored on a regular basis to ensure that it adheres to the specified values.2) Technical data: The technical data are used solely to describe the product and are not subject to regular monitoring.ApplicationsDova RS301 is an ingredient in printing inks, photocopying and laser printing paper, varnishes, adhesives (glues), soap, paper sizing, soda, soldering fluxes, and sealing wax. Dova RS301 can be used as a glazing agent in medicines and chewing gum. Dova RS301 is aflux used in soldering in industry.Delivery FormYellowish solidPackagingDova RS301 is supplied in 25 kg craft paper bag / 225 kg bucket.StorageDova RS301 is in sealed containers at room temperature in a dry place. Partially emptied containers should be carefully resealed after use.Minimum shelf life is 24months from the date of shipping when stored according to the said conditions.Contact UsPlease contact us for safety and regulatory details or the Material Safety Data Sheet (MSDS).
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