Rubber Compounding Materials
Vulcanization Materials
Activators


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Function & Compounding


Mastermix Zinc Oxide 5223 Paste-80
80% Zinc Oxide in a TOTM binder
HEXPOL Compounding
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Sp. gr. 2.89

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


Mastermix Zinc Oxide 5594 Cube-80
80% Zinc Oxide in a NBR binder
HEXPOL Compounding
ï

Sp. gr. 2.89

Dispersed form of medium surface area zinc oxide for use in Nitrile (NBR) rubber.


PolyBound 324 Zinc Oxide-80
80% Zinc Oxide encapsulated in a proprietary binder
HEXPOL Compounding
ï

Sp. gr. 3.06

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


Rhenogran Pb3O4-80
80% Pb3O4-80 in ECO binder
Rhein Chemie Corporation
ï

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.


PolyBound 357 MgO DS-2-80
80% Mag Oxide encapsulated in a proprietary binder
HEXPOL Compounding
ï

Sp. gr. 2.13

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


Elast-O-Cal 80FDA
80% Codex grade CaO dispersion in USP grade white
Rhein Chemie Corporation
ï

Sp.gr. 2.25; firm paste dispersion in a mineral oil binder (see calcium oxide)

Similar in function to Elast-O-Cal 80 except Codex grade calcium oxide is used in a binder of USP grade white mineral oil; it is designed for applications involving food and liquid contact such as potable water contacting items andfood handling belting.


Elast-O-Cal 80HT
80% CaO paste dispersion in paraffinic oil binder
Rhein Chemie Corporation
ï

Sp.gr. 2.25; firm paste dispersion in a 580°F flash point binder (see calcium oxide)

Similar to Elast-O-Cal 80 in function except the 580°F binder allows higher temperature curing operations without oil volatilization.


Rhenogran CaO-80
80% CaO in polymer binder
Rhein Chemie Corporation
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Sp.gr. approx. 2.25; grey polymer-bound granules

Desiccant for rubber compounds of all kinds to prevent porosity.


Elast-O-Cal 80
80% CaO in hydrotreated naphthenic oil binder
Rhein Chemie Corporation
ï

Sp.gr. 2.20; firm paste dispersion in a high flash hydrotreated naphthenic oil binder (see calcium oxide)

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 fluidize


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

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.





Desical
80% calcium oxide in a naphthenic oil binder system
HEXPOL Compounding
ï

Sp.gr. 2.10; liquid

Dispersion provides rapid incorporation into liquid systems, such as vinyl plastisols, and eliminates porosity due to moisture related blistering; used for pressureless and fusion processes for plastics.


Desical P
80% calcium oxide in a naphthenic oil binder system
HEXPOL Compounding
ï

Sp.gr. 2.24; paste

A premium paste dispersion for rapid mixing in rubber compounds; a cure activator; eliminates porosity due to moisture related blistering; used in low pressure or pressureless continuous curing of rubber extrusion products such as automotive weatherseals and pipe insulation.


Desical P
80% calcium oxide in a naphthenic oil binder system
Harwick Standard Distribution Corporation
ï

Sp.gr. 2.24; paste

A premium paste dispersion for rapid mixing in rubber compounds; a cure activator; eliminates porosity due to moisture related blistering; used in low pressure or pressureless continuous curing of rubber extrusion products such as automotive weatherseals and pipe insulation.


Desical
80% calcium oxide in a naphthenic oil binder system
Harwick Standard Distribution Corporation
ï

Sp.gr. 2.10; liquid

Dispersion provides rapid incorporation into liquid systems, such as vinyl plastisols, and eliminates porosity due to moisture related blistering; used for pressureless and fusion processes for plastics.


Mastermix Calcium Oxide 6119 Paste-80
80% Calcium Oxide in a DIDP binder
Harwick Standard Distribution Corporation
ï

Sp. gr. 2.27

Dispersed form of Calcium Oxide for use in natural and synthetic rubbers.


Mastermix Calcium Oxide 6119 Paste-80
80% Calcium Oxide in a DIDP binder
HEXPOL Compounding
ï

Sp. gr. 2.27

Dispersed form of Calcium Oxide for use in natural and synthetic rubbers.


PolyBound 359 Calcium Oxide-80
80% Calcium Oxide encapsulated in a proprietary binder
HEXPOL Compounding
ï

Sp. gr. 2.32

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


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

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

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


Drimix
75% Vinyl Silane
Flow Polymers LLC
ï

Sp.gr. 1.21

Free flowing powder form of Vinyl Silane


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

Sp.gr. 1.56; white pellets

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





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HEXPOL Compounding

Rhein Chemie Corporation

Polychem Dispersions

Harwick Standard Distribution Corporation

Flow Polymers LLC

     

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