Rubber Compounding Materials
Vulcanization Materials
Activators


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Function & Compounding


Cri-Act-45
45% dispersion of a 2/1 ratio of calc. hydroxide and mag. oxide on a fluorocarbon elastomer base
Cri-Tech
ï

Sp.gr. 1.92 ±.05; solubility - esters and ketones; appearance - opaque, brownish, chopped or slab.

Used at the 10-20 part level in fluoroelastomer compounding for consistent rheology and excellent dispersion.


Cri-Act-45-LV
45% dispersion of a 2/1 ratio of calc. hydroxide and mag. oxide on a fluorocarbon elastomer base
Cri-Tech
ï

Sp.gr. 1.96±.05; solubility - esters and ketones; appearance - opaque, brownish yellow, chopped or slab.

Used at the 10-20 part level in fluoroelastomer compounding for consistent rheology and excellent dispersion; for use in low viscosity compounds.


Cri-Act-45 1/1
45% dispersion of a 1/1 ratio of calc. hydroxide and mag. oxide on a fluorocarbon elastomer base
Cri-Tech
ï

Sp.gr. 1.98±.05; solubility - esters and ketones; appearance - opaque, brownish yellow, chopped or slab.

Used at the 10-20 part level in fluoroelastomer compounding for consistent rheology and excellent dispersion.


Cri-FDA-45-1/1
45% disp. of codex food grade calc. hydroxide and mag. oxide in a 1/1 ratio on a fluoroelastomer base
Cri-Tech
ï

Sp. gr. 1.98±.05; solubility - esters and ketones; appearance - opaque, brownish, chopped or slab.

Used at the 10-20 part level in fluoroelastomer compounding for consistent rheology and excellent dispersion.


Mastermix CalMag 5903 Slab-45
45% active 2:1 blend of calcium hydroxide and magnesium oxide in an FKM (genuine Viton) binder.
HEXPOL Compounding
ï

Sp. gr. 1.94.

A convenient dispersed blend of activators for FKM compounds.


Mastermix CalMag 5903 Slab-45
45% active 2:1 blend of calcium hydroxide and magnesium oxide in an FKM (genuine Viton) binder.
Harwick Standard Distribution Corporation
ï

Sp. gr. 1.94.

A convenient dispersed blend of activators for FKM compounds.


Mastermix MgO L 5881 Slab-40
40% low activity magnesium oxide in an FKM (genuine Viton) binder.
HEXPOL Compounding
ï

Sp. gr. 2.03.

Dispersed form of a low activity magnesium oxide typically used for general-purpose diamine cured FKM compounds.


DLP 1034 HMMM-40B
40% HMMM on a carrier
HEXPOL Compounding
ï

Dry Liquid Powder - free flowing version of the HMMM - Hexamethoxy methylmelamine liquid. Easier to handle, weigh and incorporate into NR and SR compounds.


Mastermix MgO H 2229 Slab-40
40% high activity magnesium oxide in an FKM binder.
Harwick Standard Distribution Corporation
ï

Sp. gr. 2.05

Dispersion of high activity magnesium oxide for use in general-purpose bisphenol cured FKM compounds.


Mastermix MgO H 2229 Slab-40
40% high activity magnesium oxide in an FKM binder.
HEXPOL Compounding
ï

Sp. gr. 2.05

Dispersion of high activity magnesium oxide for use in general-purpose bisphenol cured FKM compounds.





Mastermix MgO H 5901 Slab-40
40% high activity magnesium oxide in an FKM (genuine Viton) binder.
HEXPOL Compounding
ï

Sp. gr. 2.07.

A pre-dispersed form of high activity magnesium oxide typically used as an acid acceptor in the curing of FKM compounds.


Mastermix MgO H 5901 Slab-40
40% high activity magnesium oxide in an FKM (genuine Viton) binder.
Harwick Standard Distribution Corporation
ï

Sp. gr. 2.07.

A pre-dispersed form of high activity magnesium oxide typically used as an acid acceptor in the curing of FKM compounds.


Cri-Mag-M-40
40% dispersion of low activity magnesium oxide on a fluorocarbon elastomer base
Cri-Tech
ï

Sp.gr. 2.04±.05; solubility - esters and ketones; appearance - dark brown, chopped. or slab

Used at the 30-40 part level in fluorocarbon elastomer compounding.


Cri-Mag-H-40
40% dispersion of high activity magnesium oxide on a fluorocarbon elastomer base
Cri-Tech
ï

Sp.gr. 2.04±.05; solubility - esters and ketones; appearance - dark brown, chopped or slab

Used at the 6-10 part level in fluorocarbon elastomer compounding.


Drimix
30% vinyl silane/Burgess KE (K-16644)
Flow Polymers LLC
ï

Sp.gr. 1.80

Free flowing powder form of vnyl silane.


DLP 1035 SR-350E-30K
30% SR-350E on a carrier
HEXPOL Compounding
ï

Sp. gr. 1.82

Dry Liquid Powder - free flowing version of the SR-350E liquid - TMPTMA - Trimethylolpropane Trimethacrylate. Easier to handle, weigh and incorporate into NR and SR compounds.


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.


Rhenomag P 2
100% 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.


Magnesium Oxide

Brenntag Specialties, Inc.
ï

Magnesium oxide


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.





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Cri-Tech

HEXPOL Compounding

Harwick Standard Distribution Corporation

Flow Polymers LLC

Rhein Chemie Corporation

Brenntag Specialties, Inc.

ECM Chemicals, LLC

     

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