Rubber Compounding Materials
Vulcanization Materials
Activators


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Function & Compounding


Parasec R
Calcium oxide (75% active)
Parabor Industria E Comercio de Produtos Quimicos LTDA
ï

Creamy-gray powder; sp.gr. 2.20.

Dessicant in compounding for continuous cures; prevents porosity in rubber vulcanizates; acceleration activator.


Paramag O
Magnesium oxide
Parabor Industria E Comercio de Produtos Quimicos LTDA
ï

Fine white powder; sp.gr. 3.30.

Activator - acid acceptor for CR and fluoroelastomers.


Nickle Dimentyl dithiocarbamate (NDMC)

Rhein Chemie Corporation
ï

See also Curebead PB(NDMC)-70


Natro-Cel TATM-A
72% Triallyl Trimelliate on silica powder
Harwick Standard Distribution Corporation
ï

Sp.gr. 1.15;Dustless powder

Excellent activator for cured EPDM and CPE.


Natro-Cel TATM-A
72% Triallyl Trimelliate on silica powder
Natrochem
ï

Sp.gr. 1.15;Dustless powder

Excellent activator for cured EPDM and CPE.


Natro-Cel 35-A
72% trimethyl propane trimethacrylate on silica powder
Harwick Standard Distribution Corporation
ï

Sp.gr. 1.23; dustless powder

Co-agent for peroxide cured elastomers


Natro-Cel 35-A
72% trimethyl propane trimethacrylate on silica powder
Natrochem
ï

Sp.gr. 1.23; dustless powder

Co-agent for peroxide cured elastomers


Mor-Cal 95

ECM Chemicals, LLC
ï

Sp.gr. 2.91 (typical); 95% by weight, powdered dispersion of pulverized CaO in oil; available in 5 up to 25 lb preweighs

Desiccant; minimizes porosity in rubber compounds due to moisture.


Mor-Cal 90

ECM Chemicals, LLC
ï

Sp.gr. 2.61 (typical); 90% by weight, powdered dispersion of pulverized CaO in oil; available in 5-25 lb. perweighs

Desiccant; minimizes porosity due to moisture in LCM rubber extrudates.


Mor-Cal 85PD

ECM Chemicals, LLC
ï

Sp.gr. 2.36 (typical); 85% by weight; powdered dispersion of pulverized (325) CaO in proprietary binder; packaged in 5-25 lb. perweighs

Desiccant; prevents porosity in rubber compounds due to moisture.





Mor-Cal 80

ECM Chemicals, LLC
ï

Sp.gr. 2.23 (typical); 82% by weight, putty dispersion of pulverized CaO in oil; available in 5 up to 25 lb preweighs

Desiccant; minimizes porosity in rubber compounds due to moisture


Mixland + Zinc oxide Masterbatch
Zinc oxide -80 % active in a proprietary Mixland + binder
Harwick Standard Distribution Corporation
ï

Pellets- 140 micron filtered

Dispersion for easy incorporation;see also CR Zinc oxides


MgO, Sovsperse
Magnesium oxide, various active contents on proprietary binder
Flow Polymers LLC
ï

Pellets or slabs

Activator, acid receptor and stabilizer for CR, CSM, chlorinated IIR, chlorinated PE and fluoroelastomers.


MgO

Rhein Chemie Corporation
ï

See also Mag-Paste, Mag-Beads, Rhenogran 2060, Scorchguard O, Rhenofit: 2060,2120,2150, D/A


Mastermix Zinco 4910 Bar-90
90% Zinc Oxide
HEXPOL Compounding
ï

Sp. gr. 3.57

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


Mastermix Zinc Sulfide 5640 Slab-20
20% Zinc Sulfide in a binder
HEXPOL Compounding
ï

Sp. gr. 1.00

Dispersed form of Zinc Sulfide for use in natural and synthetic rubbers.


Mastermix Zinc Oxide 6182 Paste-60
60% Zinc Oxide in a DOTP binder
HEXPOL Compounding
ï

Sp. gr. 1.96

Dispersed form of a low 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.


Mastermix Zinc Oxide 5539 Paste-70
70% Zinc Oxide in a DUP binder
HEXPOL Compounding
ï

Sp. gr. 2.27

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.





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Suppliers listed
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Parabor Industria E Comercio de Produtos Quimicos LTDA

Rhein Chemie Corporation

Harwick Standard Distribution Corporation

Natrochem

ECM Chemicals, LLC

Flow Polymers LLC

HEXPOL Compounding

     

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