Rubber Compounding Materials
Vulcanization Materials
Activators
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Tradename
Composition
Supplier
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Properties
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Function
& Compounding
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Zinc Oxide Poly Slab
85% French process zinc oxide in an EPR binder
Polymericsï |
Sp.gr. 3.38.
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Activator for natural and synthetic rubber; excellent incorporation and dispersion; very easy handling.
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DOTG Poly Slab
75% EPR binder
Polymericsï |
Sp.gr. 1.09; pellet or slab.
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Predispersed activator for thiazoles; better processing safety than DPG.
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Red Lead Poly Slab
90% red lead in an EPR binder
Polymericsï |
Sp.gr. 4.63; Red Lead in a rubber slab form; excellent storage stability.
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Activator for NR and SRs; excellent incorporation and dispersion; very easy handling.
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Magox Premium
Magnesium oxide
Premier Magnesia, LLCï |
Odorless, high surface area, non-toxic white powder; available in bulk or 50 lb. poly-lined bags.
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For CR, CSM, PE, NBR, polysulfides; vulcanizing agent; activator; acid acceptor; useful in adhesives and polyester sheet molding compounds.
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Rhenogran CaO-80
80% CaO in polymer binder
Rhein Chemie Corporationï |
Sp.gr. approx. 2.25; grey polymer-bound granules
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Desiccant for rubber compounds of all kinds to prevent porosity.
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Rhenofit 1600
Combination of urea derivatives and dispersing agent
Rhein Chemie Corporationï |
Sp.gr. approx. 1.25; light-colored aqueous paste
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Blow promoter and deodorizer as well as vulcanization activator with built-in scorch retarder.
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Rhenofit F
Specially treated fine CaO
Rhein Chemie Corporationï |
Sp.gr. approx. 3.0; white powder
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Cross-linking modifier and desiccant for the use in fluoroelastomers.
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Rhenogran ZnO-85
84% ZnO in polymer binder
Rhein Chemie Corporationï |
Sp.gr. approx. 3.03; white polymer-bound granules, problem-free dosing and mixing, excellent dispersion, fast incorporation; the bound chemical is non-dusting
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Curing activator for the use in natural and synthetic rubbers, particularly CR.
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Scorchguard "O"
Magnesium oxide dispersion
Rhein Chemie Corporationï |
Sp.gr. 1.90; buff-gray bars; very fine dispersion, protected from loss of activity
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Used in chloroprene and chlorosulfanated polyethylene; gives superior protection against scorch, at process temperatures while giving excellent acceleration and vulcanization rates at cure temperatures; further aids processing by rapid incorporationand elimination of sticking to the mixer; retarder for halobutyls
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Poly-Dispersion SR-517-50
50% Saret 517 in polymeric binder
Rhein Chemie Corporationï |
Sp.gr. app. 1.12; encapsulated and protected form.
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Crosslinkable; acrylic monomer, used in peroxide vulcanization to provide high hardness; promotes batch to batch cure rate uniformity.
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Rhenofit 2060
Magnesium oxide in a binder
Rhein Chemie Corporationï |
Sp.gr. 3.57; light gray powder
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Curing activator and acid acceptor particularly suitable for polychloroprene rubber (CR) and adhesives. a low active magnesium oxide especially selected for the use in the rubber processing industry; improves the processing safety of rubber compounds based on CR, CSM, CM and CIIR; raises the critical temperature of basic accelerators and thus prevents scorching; for acid accelerators the activating temperature is decreased; in polymers containing chlorine, especially CR, it serves as an acidacceptor and thus improves the ageing properties of the vulcanizates; in cold cured rubber coated fabrics, it is used to neutralize acid traces; moduli are generally increased by the addition of Rhenofit 2060.
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Rhenofit 2120
Active magnesium oxide
Rhein Chemie Corporationï |
Sp.gr. 3.57; white powder
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An active magnesium oxide especially selected for the use in the rubber processing industry; improves the processing safety of rubber compounds based on CR, CSM, CM and CIIR; raises the critical temperature of basic accelerators and thus prevents scorching; In acid accelerators, the activiting temperature of acid accelerators is decreased; in polymers containing chlorine, especially CR, it serves as an acid acceptor and thus improves the aging properties of the vulcanizates; in cold cured rubber coated fabrics, Rhenofit 2120 is used to neutralize acid traces; moduli are generally increased by its addition.
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Rhenomag G 1
75% very acitve MgO in polymer binder
Rhein Chemie Corporationï |
Sp.gr. 1.56; white pellets
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Curing activator and acid acceptor, particularly suitable for CR and CM.
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Rhenogran TAC-50
50% triallyl cyanurate in polymer binder
Rhein Chemie Corporationï |
Sp.gr. approx. 1.20, beige polymer-bound granules, problem-free dosing and mixing, excellent dispersion, fast incorporation; the bound chemical is non-dusting
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Activator for the peroxide vulcanization of synthetic rubbers.
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Rhenogran Pb3O4-80
80% Pb3O4-80 in ECO binder
Rhein Chemie Corporationï |
Sp.gr. approx. 4.15; red polymer-bound granules; problem-free dosing and mixing, excellent dispersion, fast incorporation; the bound chemical is non-dusting
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Curing activator for chloroprene (CR) and butyl rubber (IIR) as well as chlorosulphonated polyethylene (CSM); filler in compounds for protective covering, because of the high absorption capacity to x-rays.
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Rhenofit TRIM/S
70% trimethylolpropane trimethacrylate, 30% silica
Rhein Chemie Corporationï |
Sp.gr. approx. 1.27; white powder, non-dusting, non-staining
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Crosslinking activator for the peroxide vulcanization of synthetic rubbers.
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Rhenofit EDMA/S
70% ethylene glycol dimethacrylate, 30% silica
Rhein Chemie Corporationï |
Sp.gr. approx. 1.25; white powder, non-dusting, non-staining
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Crosslinking activator for the peroxide vulcanization of synthetic rubbers.
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Rhenofit 1987
Combination of activating substances based on urea
Rhein Chemie Corporationï |
Sp.gr. approx. 1.5; white powder.
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Curing activator and promoter for reinforcing fillers
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Poly-Dispersion T(HRL)D-90
Fine particle size litharge in an EPDM binder
Rhein Chemie Corporationï |
Sp.gr. 4.75; litharge 90%; very fine dispersion in elastomeric slab form, scored, dusted, and separated with PE.
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chlorosulfonated polyethylene stabilizer, add in first step in mixing cycle; provides processing and handling safety, excellent dispersion, uniform cures.
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Poly-Dispersion ERD-90
Red Lead in an EPR binder
Rhein Chemie Corporationï |
Sp.gr. 4.57; Red Lead, 90%; very fine dispersion in elastomeric slab form, scored, dusted and separated with PE.
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To produce low water absorption polychloroprene compounds and EPDM wire; provides processing and handling safety, excellent dispersion, uniform cures curing activator for CR, IIR, CSM.
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