Rubber Compounding Materials
Vulcanization Materials
Activators


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Red Lead Poly Slab
90% red lead in an EPR binder
Polymerics
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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.


DOTG Poly Slab
75% EPR binder
Polymerics
ï

Sp.gr. 1.09; pellet or slab.

Predispersed activator for thiazoles; better processing safety than DPG.


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.


Polydox C-90
90% CaO, oil treated
Polychem Dispersions
ï

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


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

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

Easier handling and faster incorporation for mill and internal mixing.


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.


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.


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.


Polydex E(ZNO)85

Polychem Dispersions
ï

Sp.gr. 3.05; fine particle French process zinc oxide in a soft rubber slab; shipped in 50# boxes.

Used where batch to batch uniformity and excellent dispersion is essential; for mill or mixer addition.


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.





Grade 318 American Process
Zinc oxide
Perl Pigments, LLC
ï

ZnO-99.3%, Pb-.09%, Fe-.02%, CD-.03%, sulfur-.10%, insoluble-.08%.

Accelerator, activator, vulcanizer


Grade 185
Zinc oxide
Perl Pigments, LLC
ï

ZnO-99.3%, Pb-.09%, Fe-.02%, CD-.03%, sulfur-.10%, insoluble-.08%.

Accelerator, activator, vulcanizer


Grade 312
Zinc oxide
Perl Pigments, LLC
ï

ZnO-99.3%, Pb-.09%, Fe-.02%, CD-.03%, sulfur-.10%, insoluble-.08%.

Accelerator, activator, vulcanizer


Grade 318T American Process
Zinc oxide treated
Perl Pigments, LLC
ï

ZnO-99.3%, Pb-.09%, Fe-.02%, CD-.03%, sulfur-.10%, insoluble-.08%.

Accelerator, activator, vulcanizer


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.


Actone
Surface coated urea
Parabor Industria E Comercio de Produtos Quimicos LTDA
ï

Fine white powder; sp. gr. 1.32; slightly hygroscopic.

Activator for blowing agents; reduces odor of DNPT blowing agents; activator for MBT, MBTS and dithiocarbamates.


Parax Fluor
High purity calcium hydroxide
Parabor Industria E Comercio de Produtos Quimicos LTDA
ï

Sp.gr. 2.10; white powder.

Used in fluoroelastomers.


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.


SR 206 DLC-A
Ethylene dimethacrylate 72% liquid on silica powder
Natrochem
ï

Sp.gr. 1.05, off-white dustless powder polymerizable; shipped bag.

For peroxide cure of BR, CR, EPDM, EPM, IR, NBR, acrylics, urethanes, plasticizers during mixing; hardener.


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.





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Polymerics

Polychem Dispersions

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Parabor Industria E Comercio de Produtos Quimicos LTDA

Natrochem

     

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