Tradename ñ
Composition
Supplier

Properties

Function & Compounding

SR 203 DLC-A
72% liquid tetrahydrofurfuryl methacrylate on silica powder
Natrochemï

Off-white dustless powder; shipped bag.

Vulcanizing coagent for peroxide cure, plasticizer during mixing; hardener.

Scorchguard "O"
Magnesium oxide dispersion
Rhein Chemie Corporationï

Sp.gr. 1.90; buff-gray bars; very fine dispersion, protected from loss of activity

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

SA-590
Rubber grade, vegetable based stearic acid
Sovereign Chemical Companyï

Flake, sp. gr. 0.84

Vegetable based grade of stearic acid designed for use in rubber compounding as an activator; also used in esters for various lubricant applications as metal working and textile lubricants, and in the production soaps, emulsifiers, and metallic stearates.

Rhenomag P 2
100% very acitve MgO in polymer binder
Rhein Chemie Corporationï

Sp.gr. 1.56; white pellets

Curing activator and acid acceptor, particularly suitable for CR and CM.

Rhenomag G 3
75% very acitve MgO in polymer binder
Rhein Chemie Corporationï

Sp.gr. 1.56; white pellets

Curing activator and acid acceptor, particularly suitable for CR and CM.

Rhenomag G 1
75% very acitve MgO in polymer binder
Rhein Chemie Corporationï

Sp.gr. 1.56; white pellets

Curing activator and acid acceptor, particularly suitable for CR and CM.

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

Curing activator for the use in natural and synthetic rubbers, particularly CR.

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

Activator for the peroxide vulcanization of synthetic rubbers.

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

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.

Rhenogran MgO-75
75% magnesium oxide with dispersion aids and polymeric binder
Rhein Chemie Corporationï

Sp.gr. 2.00; white to gray pellets

Curing activator and acid acceptor particularly suitable for polychloroprene rubber (CR) and adhesives

Rhenogran HPCA-70
60% methyl-2-mercaptobenzimidazol and 1,8 diazabicyclo-5,4,0 undec-7-en, in a polymer binder
Rhein Chemie Corporationï

Sp.gr. 1.1; off white granules

Can replace MgO in polychloroprene compounds; excellent heat aging properties can be achieved; replacement of MgO in blends with HIIR compounds is possible.

Rhenogran CaO-80
80% CaO in polymer binder
Rhein Chemie Corporationï

Sp.gr. approx. 2.25; grey polymer-bound granules

Desiccant for rubber compounds of all kinds to prevent porosity.

Rhenofit TRIM/S
70% trimethylolpropane trimethacrylate, 30% silica
Rhein Chemie Corporationï

Sp.gr. approx. 1.27; white powder, non-dusting, non-staining

Crosslinking activator for the peroxide vulcanization of synthetic rubbers.

Rhenofit TAC/S
70% triallyl cyanurate 30% silica
Rhein Chemie Corporationï

Sp.gr. 1.25; fine white crumbles

Cross-linking activator for peroxide vulcanization; technical molded and extruded articles based on EPDM, EPM, CM and others, e.g., profiles, seals, cable coverings and bushings.

Rhenofit F
Specially treated fine CaO
Rhein Chemie Corporationï

Sp.gr. approx. 3.0; white powder

Cross-linking modifier and desiccant for the use in fluoroelastomers.

Rhenofit EDMA/S
70% ethylene glycol dimethacrylate, 30% silica
Rhein Chemie Corporationï

Sp.gr. approx. 1.25; white powder, non-dusting, non-staining

Crosslinking activator for the peroxide vulcanization of synthetic rubbers.

Rhenofit D/A
Highly reactive magnesium oxide
Rhein Chemie Corporationï

Sp.gr. 3.60; white powder

A highly reactive magnesium oxide intended specifically for use in the rubber processing industry; improves the processing safety of CR, CSM, CM and CIIR based rubber compounds by increasing the critical temperature of basic accelerators; reduces the susceptibility of rubber compounds to scorching; In acid accelerators, it lowers the necessary activation temperature; in polymers containing halogen, and particularly in CR, it acts as an acid acceptor, thereby improving aging properties; in cold-cured fabric proofing, it serves to neutralize traces of acid; moduli are generally increased by Rhenofit D/A.

Rhenofit CF
Specially treated very fine Ca(OH)₂
Rhein Chemie Corporationï

Sp.gr. approx. 2.2 white powder

Crosslinking activator for fluoro-elastomers.

Rhenofit 2642
Combination of activating substances based on urea bound to high activity silica
Rhein Chemie Corporationï

Sp.gr.. approx. 1.50; white powder, slightly hygroscopic

Accelerator activator for the vulcanization of CO and ECO.

Rhenofit 2120
Active magnesium oxide
Rhein Chemie Corporationï

Sp.gr. 3.57; white powder

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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