Tradename ò
Composition
Supplier

Properties

Function & Compounding

Polydex M(TEA)75
75% TEA on a Microcel E carrier
Polychem Dispersionsï

Sp.gr. 1.29; triethanolamine in a powdered form.

Easier handling and faster incorporation for mill and internal mixing.

Polydex PPD(ZNO)75
75% zinc oxide in light process oil
Polychem Dispersionsï

Sp.gr. 2.43; zinc oxide in a paste form.

Paste form for better incorporation in soft compounds or for late mixer additions.

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.

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.

Poly-Dispersion GRD-90
90% Red Lead oxide in an ECO binder
Rhein Chemie Corporationï

Sp.gr. 5.18; orange slabs

Used as a cure activator in ECO cure systems; the red lead acts as an acid scavenger for the cure system allowing a more rapid cure.

Poly-Dispersion JZFD-90P
88% zinc oxide in a NR binder
Rhein Chemie Corporationï

Sp.gr. 3.50; white pellets

Vulcanizing activator for use in natural and synthetic rubber compounds.

Poly-Dispersion SR-517-50
50% Saret 517 in polymeric binder
Rhein Chemie Corporationï

Sp.gr. app. 1.12; encapsulated and protected form.

Crosslinkable; acrylic monomer, used in peroxide vulcanization to provide high hardness; promotes batch to batch cure rate uniformity.

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.

chlorosulfonated polyethylene stabilizer, add in first step in mixing cycle; provides processing and handling safety, excellent dispersion, uniform cures.

Poly-Dispersion TRD-90
90% red lead oxide in an EPDM/EVA binder
Rhein Chemie Corporationï

Sp.gr. 4.58; orange slabs

Preferably used as an activator in acid resistant compounds. It considerably reduces the swelling of vulcanizates in water; is suitable as an oxidizing agent for the vulcanization of butyl rubber with p-quinone dioxime; can be used to improve the heat resistance in peroxide cured CPE compounds; is not recommended for use in thiadiazole cured CPE; filler in compounds for protective covering, because of the high absorption capacity to x-rays.

Polydox C-80
80% CaO in a napthenic oil binder
Polychem Dispersionsï

Sp.gr. 2.07; calcium oxide paste dispersion

An efficient moisture absorber for all commonly used elastomers giving protection from porosity or blistering of rubber products produced in low or high-temperature cure systems.

Polydox C-90
90% CaO, oil treated
Polychem Dispersionsï

Sp.gr. 2.43; calcium oxide, oil treated in a powder form.

Similar to Polydex C-80; is also used as a dessicant in vinyl plastisols

Polyethylene Glycol EF/Enviropeg Line
Polyethylene glycol
The Dow Chemical Companyï

Line includes Solids - Sp gr 1.22; white powder or flake PEG-E-3350, E-4000, E-6000,E-8000 and E-20,000; Melt pt.55-61°C Semi-solids - Sp.gr. 1.13; white E-1450, E-1500, and E-2000; melt point 44-48° C Liquids - Sp.gr. 1.13 E-200, E-300, E-400, E-600, & E-1000.

Activator used in conjunction with high surface area silicas and internal lubricant in elastomeric compounds.

Polyethylene Glycol EF/Enviropeg Line
Polyethylene glycol
Harwick Standardï

Line includes Solids - Sp gr 1.22; white powder or flake PEG-E-3350, E-4000, E-6000,E-8000 and E-20,000; Melt pt.55-61°C Semi-solids - Sp.gr. 1.13; white E-1450, E-1500, and E-2000; melt point 44-48° C Liquids - Sp.gr. 1.13 E-200, E-300, E-400, E-600, & E-1000.

Activator used in conjunction with high surface area silicas and internal lubricant in elastomeric compounds.

Pristerene 9429
Stearic acid.
M.F. Cachatï

Tallow based rubber grade stearic acid; titre, 52-60°C, iodine no. 11 max., acid value 192-210 and saponification value 194-212.

Red Lead FlowSperse
90% Red Lead on different carriers
Flow Polymers LLCï

Past or elastomeric dispersion.

Prespersion of red lead; vulcanizer for halogenated polymers.

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.

Activator for NR and SRs; excellent incorporation and dispersion; very easy handling.

Redimix 4167 HMT-70
70% HMT in a DOP binder
HEXPOL Compoundingï

Sp. gr. 1.20

Dispersed form of HMT - Hexamethylenetetramine for use in natural and synthetic rubbers.

Rhenofit 1600
Combination of urea derivatives and dispersing agent
Rhein Chemie Corporationï

Sp.gr. approx. 1.25; light-colored aqueous paste

Blow promoter and deodorizer as well as vulcanization activator with built-in scorch retarder.

Rhenofit 1987
Combination of activating substances based on urea
Rhein Chemie Corporationï

Sp.gr. approx. 1.5; white powder.

Curing activator and promoter for reinforcing fillers

Rhenofit 2060
Magnesium oxide in a binder
Rhein Chemie Corporationï

Sp.gr. 3.57; light gray powder

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.

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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