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Technical Data SheetRhenofit ® 1987Specialty and standardchemicalsFunctionCuring activator and promoter for reinforcing fillersProduct descriptionComposition:Appearance:Density, 20 °C:Ash content:Odor:Discolouration of vulcanizates:Physiological properties:Combination of activating substances basedon urea and surface-active agents, bound tohighly reinforcing silica.white powderapprox. 1.5 g/cm331 ± 2 %practically nonenonesee safety data sheetUseMode of action:Processing:Dosage:Application:Rhenofit 1987 disperses all compounding ingredients and especially activateslight-colored reinforcing fillers. The vulcanization is accelerated to an extent thatRhenofit 1987 may also be used as a secondary accelerator. The vulcanizationplateau is extended, hence the physical properties are improved. Rhenofit 1987increases the hardness of the vulcanizates and enhances the transparency ofthe compounds. In cellular compounds (open and closed cells) the blowingagent is activated and the vulcanizate is deodorized.When used as a promoter and dispersing agent for fillers, Rhenofit 1987 shouldbe incorporated together with the fillers. In order to achieve the topmost effectivenessit is advisable to add the zinc oxide at the end of the mixing cycle.As secondary accelerator a dosage of 2-6 phr, as promotor for reinforcing fillers5-10 % calculated on the amount of filler. As promoter for blowing agents 2-6phr. In rubber articles which come in contact with foodstuffs max. 9 %,calculated on the finished article.Technical rubber articles of all kinds which contain light-colored reinforcingfillers, e.g. molded shoe soles, rubber sheets, floor coverings, household, andleisure articles, cellular compounds.According to recommendation XXI of the BfR (German Federal Institute forRisk Assessment) - Rhenofit 1987 can be used in rubber articles which come incontact with foodstuffs.Packaging25 kg carton PE bag inside on 600 kg skidRhenofit 1987 Version: 5/20. Jun 20121 / 2

Storage stabilityHandlingIn closed original containers under cool and dry conditions 1095 days from dateof production.For additional handling information on Rhenofit 1987 please consult currentsafety data sheet.With respect to production sites in all world regions technical data sheets may vary indetails among regions. For regional versions would you please contact your local salesrepresentative.Version: 5/20. Jun 2012Our technical advice - whether verbal, inwriting or by way of trials - is given in goodfaith but without warranty, and this alsoapplies where proprietary rights of thirdparties are involved. It does not release youfrom the obligation to test theproducts supplied by us as to their suitabilityfor the intended processes and uses. Theapplication, use and processing of theproducts are beyond our control and,therefore, enti- rely your own responsibility.Should, in spite of this,liability be established for any damage, itwill be limited to the value of the goodsdelivered by us and used by you. We will, ofcourse, provide products of consistentquality within the scope of our GeneralConditions of Sale and Delivery.Rhein Chemie Rheinau GmbHDuesseldorfer Strasse 23-2768219 Mannheim, GermanyTel.: +49-621-8907-0Fax: +49-621-8907-675E-Mail: rubber.info@rheinchemie.comwww.rheinchemie.comRhenofit 1987 Version: 5/20. Jun 20122 / 2