Rubber Compounding Materials
Vulcanization Materials
Activators


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Function & Compounding


Mastermix Hexa 4924 Paste-60
60% Hexa in a DOP binder
HEXPOL Compounding
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Sp. gr. 1.30

Dispersed form of HMT - Hexamethylenetetramine for use in natural and synthetic rubbers.


Mastermix HMT 4060 Paste-60
60% HMT in a DOP binder
HEXPOL Compounding
ï

Sp. gr. 1.15

Dispersed form of HMT - Hexamethylenetetramine for use in natural and synthetic rubbers.


Mastermix HMT 4811 Slab-60
60% HMT in a NR binder
HEXPOL Compounding
ï

Sp. gr. 1.15

Dispersed form of HMT - Hexamethylenetetramine for use in natural and synthetic rubbers.


Kenlastic K-25067
60% HSC litharge/EPM
Flow Polymers LLC
ï

Sp.gr. 4.82

Activator, a dispersion of HSC litharge in polymer form


Rhenogran HPCA-70
60% methyl-2-mercaptobenzimidazol and 1,8 diazabicyclo-5,4,0 undec-7-en, in a polymer binder
Rhein Chemie Corporation
ï

Sp.gr. 1.1; off white granules

Can replace MgO in polychloroprene compounds; excellent heat aging properties can be achieved; replacement of MgO in blends with HIIR compounds is possible.


Mastermix Resorcinol 5070 Paste-60
60% Resorcinol in a DIDP binder
HEXPOL Compounding
ï

Sp. gr. 1.10

Dispersed form of Resorcinol for use in natural and synthetic rubbers.


DLP 1025 SR-350W-60H
60% SR-350W on a carrier
HEXPOL Compounding
ï

Sp. gr. 1.30

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


Mastermix Stan-Mag 5224 Paste-60
60% Stan-Mag in a TOTM binder
HEXPOL Compounding
ï

Sp.gr. 1.69

Dispersed form of a High Activity Magnesium Oxide for use in natural and synthetic rubbers.


Zinc Oxide Dispersion
60% zinc oxide dispersed in water
Vanderbilt Chemicals, LLC
ï

Density @ 25°C 1.98 Mg/m3; white dispersion; pH neat sample 9-11; total solids 2hrs @ 100-105°C 59.5-63.5%.

This dispersed form of zinc oxide permits its direct incorporation into latex compounds; Zinoxide at 0.5-6.0 phr is used to activate the cure of NR,SBR, and NBR latex compounds; zinc oxide acts as a vulcanizing agent in CR and XNBR latex; a minimum of 5 phr zinc oxide is generally used for the compounding of CR latexes.


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 4932 Paste-60
60% Zinc Oxide in a PIB binder
HEXPOL Compounding
ï

Sp. gr. 1.80

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


DLP 1100 HMMM-65
65% HMMM on a carrier
HEXPOL Compounding
ï

Sp. gr. 1.38

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


Mastermix HMT 4136 Slab-65
65% HMT in a SBR binder
HEXPOL Compounding
ï

Sp. gr. 1.14

Dispersed form of HMT - Hexamethylenetetramine for use in natural and synthetic rubbers.


Mastermix Mag Oxide 5826 Red Cube-65
65% Mag Oxide in an EPR binder
HEXPOL Compounding
ï

Sp. gr. 1.55

Dispersed form of a High Activity Mag Oxide for use in natural and synthetic rubbers.


Val-Mix MgO-65
65% Mag. oxide in trans octenamer encapsulation
Valley Rubber Mixing, Inc.
ï

Sp.gr. 2.06; off white, random sized free flowing pellet.

Curing activator and acid acceptor; particularly suited for CR and CM; dispersion in pellet form provides ease of handling and incorporation.


Mastermix Magnesium Hydroxide 4901 Cube-65
65% Magnesium Hydroxide in a CPE binder
HEXPOL Compounding
ï

Sp. gr. 1.65

Dispersed form of Magnesium Hydroxide for use in natural and synthetic rubbers.


Stan-Mag Bar
65% Magnesium Oxide in napthenic oil
HEXPOL Compounding
ï

Sp. gr. 1.80

A high activity, high surface area magnesium oxide for use as an acid acceptor in chlorinated polymers CR,CSM and CPE


Stan-Mag Bar
65% MgO in a proprietary binder
Harwick Standard
ï

Sp.gr. 1.80;bar form

Medium-high activity grade MgO used as an activator, acid acceptor and scorch protector for halogenated polymers such as CR and CSM


DLP 1007 SR-350-65H (TMPTMA)
65% SR-350 on a carrier
HEXPOL Compounding
ï

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


Val-Mix ZNO-65
65% zinc oxide in trans octenamer encapsulation
Valley Rubber Mixing, Inc.
ï

Sp.gr. 3.07; white, random sized free flowing pellet.

NR, SR activator, dispersion in pellet form provides fast and easy incorporation with predictable activation rates.





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Click companies below for more information about Activators

Suppliers listed
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HEXPOL Compounding

Flow Polymers LLC

Rhein Chemie Corporation

Vanderbilt Chemicals, LLC

Valley Rubber Mixing, Inc.

Harwick Standard

     

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