Rubber Compounding Materials
Vulcanization Materials
Activators


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Val-Mix Cal-90 PTOR
90% calcium oxide in trans octenamer encapsulation
Valley Rubber Mixing, Inc.
ï

Light gray, free flowing, finely pulverized lime; random size pellet.

Dessicant, moisture scavenger to prevent porosity in continuous, no pressure curing; high resistance to post-vulcanization formation of white specks; pellet form provides excellent environmental safety; available in pre-weighed, heat sealed, mixer compatible poly bags.


Elast-O-Cal 90
90% calcium oxide in oil binder
Rhein Chemie Corporation
ï

Sp.gr. 2.73; off-white wetted powder

An efficient moisture absorber for all commonly used elastomers imparting excellent protection against porosity or blistering in rubber products produced in low-pressure, high-temperature cure systems such as microwave units, LCM, hot air cures or fluidized bed units.


Ultra (ZNO) 88
88% zinc oxide treated with a proprietary polymeric binder
Polychem Dispersions
ï

Sp.gr. 3.50; shipped 50 lb. bags.

Semi dustless and free flowing powder.


Zinc Oxide Ultra 88
88% zinc oxide treated with a proprietary polymer binder
Polychem Dispersions
ï

Sp.gr. 3.50; semi dustless and free flowing powder.

Activator for polymer cure systems; used to speed the incorporation of zinc oxide in mill or mixer compounds.


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

Sp.gr. 3.50; white pellets

Vulcanizing activator for use in natural and synthetic rubber compounds.


PolyBound 498 Zinc Oxide
85% ZnO in a proprietary binder
HEXPOL Compounding
ï

Sp.gr. 3.25; crumb

Polymer bound powder form of zinc oxide; dust free form; incorporates rapidly.


PolyBound 498 Zinc Oxide
85% ZnO in a proprietary binder
Harwick Standard Distribution Corporation
ï

Sp.gr. 3.25; crumb

Polymer bound powder form of zinc oxide; dust free form; incorporates rapidly.


Mastermix Zinc Oxide 5318 Pellet-85
85% Zinc Oxide in an EPR binder
HEXPOL Compounding
ï

Sp. gr. 3.11

Dispersed form of medium surface area zinc oxide for use in natural and synthetic rubbers.


Mastermix Zinc Oxide 4872 Slab-85
85% Zinc Oxide in an EPDM binder
HEXPOL Compounding
ï

Sp. gr. 3.06

Dispersed form of medium surface area zinc oxide for use in natural and synthetic rubbers.


Mastermix Zinc Oxide 5350 Pellet-85
85% Zinc Oxide in an EPDM binder
HEXPOL Compounding
ï

Sp. gr. 3.10

Dispersed form of medium surface area zinc oxide for use in natural and synthetic rubbers.





Mastermix Zinc Oxide 5090 Slab-85
85% Zinc Oxide in an EPDM binder
HEXPOL Compounding
ï

Sp. gr. 3.10

Dispersed form of medium surface area zinc oxide for use in natural and synthetic rubbers.


Mastermix Zinc Oxide 5085 Slab-85
85% Zinc Oxide in a SBR binder
HEXPOL Compounding
ï

Sp. gr. 3.18

Dispersed form of medium surface area zinc oxide for use in natural and synthetic rubbers.


PolyBound 350 HSA Zinc Oxide 85
85% high surface area zinc oxide encapsulated in proprietary binder
HEXPOL Compounding
ï

Sp.gr. 3.22

Polymer bound powder from high surface area zinc oxide used in cure systems for NR and SRs; dust free form incorporates rapidly during mixing.


Zinc Oxide Poly Slab
85% French process zinc oxide in an EPR binder
Polymerics
ï

Sp.gr. 3.38.

Activator for natural and synthetic rubber; excellent incorporation and dispersion; very easy handling.


PolyBound 367 Calcium Oxide-85
85% Calcium Oxide encapsulated in a proprietary binder
HEXPOL Compounding
ï

Sp. gr. 2.48

Polymer bound powder form of calcium oxide; dust free form incorporates rapidly during mixing.


Kenlastic K-8313
85% Am. ZnO/PIB
Flow Polymers LLC
ï

Sp.gr. 3.18

Activator - a dispersion of Am. ZnO in polymer form


Kenlastic K-13409
85% Am. ZnO/NBR
Flow Polymers LLC
ï

Sp.gr. 3.30

Activator - a dispersion of Am. ZnO in polymer form


Kenlastic K-9273
85% Am. ZnO/EPM
Flow Polymers LLC
ï

Sp.gr. 3.15

Activator - a dispersion of Am. ZnO in polymer form


Rhenogran ZnO-85
84% ZnO in polymer binder
Rhein Chemie Corporation
ï

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.


Mastermix Zinc Oxide 5169 Slab-80
80% Zinc Oxide in an EPDM binder
HEXPOL Compounding
ï

Sp. gr. 2.68

Dispersed form of medium surface area zinc oxide for use in natural and synthetic rubbers.





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Suppliers listed
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Valley Rubber Mixing, Inc.

Rhein Chemie Corporation

Polychem Dispersions

HEXPOL Compounding

Harwick Standard Distribution Corporation

Polymerics

Flow Polymers LLC

     

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